{"id":10997,"date":"2026-05-21T14:14:19","date_gmt":"2026-05-21T11:14:19","guid":{"rendered":"https:\/\/mondiad.com\/blog\/?p=10997"},"modified":"2026-05-21T14:14:21","modified_gmt":"2026-05-21T11:14:21","slug":"mondiad-vpn-campaign-case-study","status":"publish","type":"post","link":"https:\/\/mondiad.com\/blog\/mondiad-vpn-campaign-case-study\/","title":{"rendered":"Mondiad VPN Campaign Case Study: 37% Lower CPA on iOS"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">In this <strong>Mondiad VPN campaign case study<\/strong>, we break down how a media buyer running a VPN offer for US iOS users cut their cost per install by 37% &#8211; from $8 down to $5 &#8211; through a series of targeted optimisations. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes the difference between an average campaign and a high-performing one comes down to a few smart decisions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<div style=\"border: 3px solid #000000;border-radius: 0%;background-color: inherit\" class=\"ub-styled-box ub-bordered-box wp-block-ub-styled-box\" id=\"ub-styled-box-795136a3-5690-4b41-8b08-9c5d8d994a53\">\n<h2 class=\"wp-block-heading\" id=\"h-tl-dr\">TL;DR<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A media buyer ran a 2-month VPN install campaign targeting US mobile iOS users via In-Page Push. Starting CPA was ~$8\/install. <\/li>\n\n\n\n<li>Performance improved by whitelisting top zones, automating rules to cut underperforming traffic, dropping weak creatives, excluding low-quality connections and browsers, and adding micro-bids for tighter cost control.<\/li>\n\n\n\n<li>CPA dropped to ~$5\/install &#8211; a 37% improvement &#8211; volume and quality held steady throughout.<\/li>\n<\/ul>\n\n\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h2 style=\"font-size: 27px;letter-spacing: 0px;text-transform: None;, Arial, sans-serif;font-weight: Normal;line-height: 40px\" class=\"ub_advanced_heading wp-block-ub-advanced-heading\" id=\"ub-advanced-heading-d60266a5-9afd-4f02-8855-7dba3ce0ea47\" data-blockid=\"d60266a5-9afd-4f02-8855-7dba3ce0ea47\"><strong>About the campaign<\/strong><\/h2>\n\n\n<p class=\"wp-block-paragraph\">Our partner was an experienced media buyer running a VPN offer for users in the United States. To reach a mobile iOS audience, the campaign used the <a href=\"https:\/\/mondiad.com\/blog\/push-notification-advertising\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>In-Page Push<\/strong><\/a> format. The main <a href=\"https:\/\/mondiad.com\/blog\/mondiad-conversion-goals-the-non-negotiable-for-ad-campaign-success\/\" target=\"_blank\" rel=\"noreferrer noopener\">goal <\/a>was to maximise installs while keeping acquisition costs inside a profitable range. Trial and deposit were treated as secondary conversion priorities.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Category<\/strong><\/th><th><strong>Description<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Campaign duration<\/strong><\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">April, May 2026<\/mark><\/td><\/tr><tr><td><strong>Format<\/strong><\/td><td>In-Page Push<\/td><\/tr><tr><td><strong>Vertical<\/strong><\/td><td>VPN<\/td><\/tr><tr><td><strong>Targeting<\/strong><\/td><td>United States, mobile iOS<\/td><\/tr><tr><td><strong>Bidding<\/strong><\/td><td>CPM<\/td><\/tr><tr><td><strong>Initial budget<\/strong><\/td><td>$200 daily<\/td><\/tr><tr><td><strong>Desired CPA<\/strong><\/td><td>$5\u2013$8 per install<\/td><\/tr><tr><td><strong>Conversion type<\/strong><\/td><td>Install as the main goal; trial and deposit as secondary goals<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-on-to-optimisations-\"><strong>On to optimisations<\/strong><\/h2>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\"><strong>Identifying our best audience<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The campaign started with a standard setup and an initial CPA of around <strong>$8 per install<\/strong>. To improve traffic quality, Mondiad built and applied a <a href=\"https:\/\/mondiad.com\/blog\/audiences\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>whitelist of high-performing zones<\/strong><\/a>, allowing more of the budget to be concentrated on sources that had already shown stronger conversion potential.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a10a98564eb8&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a10a98564eb8\" class=\"wp-block-image size-large wp-lightbox-container\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"180\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada-1024x180.jpg\" alt=\"Mondiad optimisation rules\" class=\"wp-image-11531\" srcset=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada-1024x180.jpg 1024w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada-300x53.jpg 300w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada-768x135.jpg 768w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada-150x26.jpg 150w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada-450x79.jpg 450w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada-1200x210.jpg 1200w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/mondiad-case-study-andrada.jpg 1226w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Mondiad optimisation rules<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">At the same time, <a href=\"https:\/\/mondiad.com\/blog\/en\/mondiad-case-study-optimisation-rules-audiences\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>automated rules<\/strong><\/a> were configured for zones and sub-IDs so that underperforming traffic could be paused faster. This reduced wasted spend and helped the team react more efficiently without depending only on manual checks.<\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\"><strong>Scaling up results<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once the stronger traffic segments became clearer, Mondiad continued improving performance by removing weak creatives and shifting budget toward the best-performing ad variations. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The team also excluded <strong>3G connections<\/strong>, underperforming browsers, and low-converting browser languages in order to keep the campaign focused on better-quality traffic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To gain more precise cost control, <a href=\"https:\/\/mondiad.com\/blog\/en\/mastering-mondiad-ads-proven-strategies-for-campaign-optimization\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>micro-bids<\/strong><\/a> were introduced for selected zones and sub-IDs. These source-level bid adjustments gave the campaign a more refined optimisation layer and helped lower acquisition costs without compromising conversion quality.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h2 style=\"font-size: 27px;letter-spacing: 0px;text-transform: None;, Arial, sans-serif;font-weight: Normal;line-height: 40px\" class=\"ub_advanced_heading wp-block-ub-advanced-heading\" id=\"ub-advanced-heading-9ccaa057-762d-4972-8bd3-02e94190494f\" data-blockid=\"9ccaa057-762d-4972-8bd3-02e94190494f\"><strong>Case Study Results<\/strong><\/h2>\n\n\n<p class=\"wp-block-paragraph\">The result was clear. After two months of systematic optimisation, the campaign CPA dropped from around <strong>$8<\/strong> to <strong>$5 per install<\/strong>, representing an improvement of approximately <strong>37%<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Just as importantly, the campaign stayed inside the desired CPA range while preserving traffic volume and conversion quality.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Before<\/strong><\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a10a98565239&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a10a98565239\" class=\"wp-block-image size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"197\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-1024x197.webp\" alt=\"Mondiad case study - first week\" class=\"wp-image-11631\" srcset=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-1024x197.webp 1024w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-300x58.webp 300w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-768x148.webp 768w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-1536x296.webp 1536w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-150x29.webp 150w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-450x87.webp 450w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week-1200x231.webp 1200w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-first-week.webp 1680w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Mondiad case study reports &#8211; first week<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>After<\/strong><\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a10a98565421&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a10a98565421\" class=\"wp-block-image size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1024\" height=\"188\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-1024x188.webp\" alt=\"Mondiad case study - final week\" class=\"wp-image-11630\" srcset=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-1024x188.webp 1024w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-300x55.webp 300w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-768x141.webp 768w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-1536x281.webp 1536w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-150x27.webp 150w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-450x82.webp 450w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week-1200x220.webp 1200w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/05\/case-study-andrada-final-week.webp 1654w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This case shows that in competitive verticals such as <a href=\"https:\/\/mondiad.com\/blog\/vpn-x-push-traffic\/\" target=\"_blank\" rel=\"noreferrer noopener\">VPN<\/a>, sustainable growth often comes from better traffic selection, automation, creative cleanup and granular bidding rather than from scale alone. With the right optimisation structure in place, Mondiad helped turn a standard setup into a much more efficient campaign.\u00a0<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-need-a-second-opinion-on-your-campaign-\"><strong>Need a second opinion on your campaign?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you need a helping hand with your Mondiad campaigns, remember our dedicated account managers are one click away and ready to assist you!<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a10a98565636&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a10a98565636\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1045\" height=\"345\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/Mondiad-banner-e1779195369343.jpg\" alt=\"Mondiad banner\" class=\"wp-image-11356\" srcset=\"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/Mondiad-banner-e1779195369343.jpg 1045w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/Mondiad-banner-e1779195369343-300x99.jpg 300w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/Mondiad-banner-e1779195369343-1024x338.jpg 1024w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/Mondiad-banner-e1779195369343-768x254.jpg 768w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/Mondiad-banner-e1779195369343-150x50.jpg 150w, https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/Mondiad-banner-e1779195369343-450x149.jpg 450w\" sizes=\"(max-width: 1045px) 100vw, 1045px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-large-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/members.mondiad.com\/registration?role=advertiser&amp;utm_source=mblog\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px\" target=\"_blank\" rel=\"noreferrer noopener\">Join Mondiad Now<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this Mondiad VPN campaign case study, we break down how a media buyer running a VPN offer for US iOS users cut their cost per install by 37% &#8211; from $8 down to $5 &#8211; through a series of targeted optimisations. Sometimes the difference between an average campaign and a high-performing one comes down<\/p>\n","protected":false},"author":7,"featured_media":11002,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[25,288,60,89],"class_list":["post-10997","post","type-post","status-publish","format-standard","has-post-thumbnail","category-success-stories","tag-advertiser","tag-in-page-push","tag-push-ads","tag-vpn"],"featured_image_src":"https:\/\/mondiad.com\/blog\/wp-content\/uploads\/2026\/04\/bloglifbx.jpg","author_info":{"display_name":"Andrada Odina","author_link":"https:\/\/mondiad.com\/blog\/author\/andrada\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mondiad VPN Campaign Case Study: 37% Lower CPA on iOS<\/title>\n<meta name=\"description\" content=\"Discover how ad network Mondiad reduced CPA by 37% in a real VPN iOS campaign case study. See the optimisation tactics.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mondiad.com\/blog\/mondiad-vpn-campaign-case-study\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mondiad VPN Campaign Case Study: 37% Lower CPA on iOS\" \/>\n<meta property=\"og:description\" content=\"Discover how ad network Mondiad reduced CPA by 37% in a real VPN iOS campaign case study. 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