Updated Mar 17, 2026 by Adjust
Report
Published by Adjust
This technical guide outlines the strategic importance and functional mechanics of deep linking within the mobile app ecosystem. The primary thesis is that deep links are essential tools for streamlining the user experience, reducing friction, and driving higher conversion rates compared to standard mobile web interfaces. By directing users to specific in-app content rather than generic homepages, marketers can significantly improve retention and re-engagement through targeted campaigns across email, social media, and SMS. The scope of the analysis covers the technical distinctions between three primary types of links: default, deferred, and contextual. Default deep links function only when an app is already installed, while deferred deep links—facilitated by specialized SDK integrations—route non-users to the appropriate app store before delivering them to the intended internal page upon installation. The guide also examines platform-specific solutions like Apple’s Universal Links, noting their ability to prevent error messages while highlighting limitations regarding attribution data and support within major apps like Facebook. Key data points emphasize the commercial impact of native app environments, noting that consumers purchase at three times the rate of the mobile web. Furthermore, with 70% of emails opened on mobile devices, the integration of deep links into owned media channels is presented as a critical driver of revenue. The conclusion suggests that as digital interactions expand into voice, television, and automotive platforms, deep linking and cross-device tracking will remain the foundational technology for maintaining a cohesive and measurable mobile marketing strategy.
Introduction Deep links are an essential part of the app marketer’s toolkit. They’re the pathways that connect users from campaign to app, streamlining user experience and exposing users to the right marketing, and the right pages. Deep linking has existed for some time, referring to the practice of sending users “deeper” into a website. Instead of linking directly to the homepage, marketers use deep linking to highlight the pages that work best in the context a user finds that link. For example, you want users to share songs from your music app, so you can add deep links that enable links to open the song straight away, instead of just opening the app. Creating this capability is more complicated than you might think, and this guide aims to give you the rundown of exactly what deep links can do. Getting your deep linking right is incredibly worthwhile, as it will make your mobile campaigns that much more successful.
Contents What are deep links?<sub>................................................................................................................. 4</sub> Two types of deep links<sub>........................................................................................................... 5</sub> Default................................................................................................................................................... 5 Deferred................................................................................................................................................ 6 Contextual deep linking?.................................................................................................................... 7 Deeps links are not (necessarily) mobile measurement technology<sub>................................................................................... 7</sub> How do deep links benefit users?<sub>................................................................................... 8</sub> How do deep links benefit mobile marketers?<sub>..................................................... 9</sub> Universal Links<sub>................................................................................................................................ 10</sub> Adjust deep links<sub>........................................................................................................................... 12</sub> Adding deep links to Adjust campaigns<sub>..................................................................... 13</sub>
........... 10</sub> Adjust deep links<sub>........................................................................................................................... 12</sub> Adding deep links to Adjust campaigns<sub>..................................................................... 13</sub> Deep link tips<sub>.................................................................................................................................... 14</sub> Keep track of your click-to-conversion rates.................................................................................. 14 Be aware of bigger platforms............................................................................................................ 14 Capitalize on your users wherever they are................................................................................... 15 Great minds link alike<sub>................................................................................................................ 16</sub>
What are deep links? Let’s explain with an example INSTALL You have an e-commerce app. The icon looks like this: You want to retarget users who’ve stopped using your app with an offer for items still in their basket, redirecting them back to the checkout page. You begin with a handful of channels, including banner ads, targeted email, and even redirects on a special page on your website, as shown here In the setup phase, it’s not possible to create links to the app in any of these places with regular URLs. That’s because regular hyperlinks, or URLs (like https://www.myapp.com/), don’t contain the ability to link anywhere other than sites within web browsers. The job of directing a user from the web to an app is handled by deep links. Deep links, though they’re URI schemes, look different to URLs because they have another type of destination. Here’s an example: myapp://path?routing_parameter First, the scheme differs from a traditional URL, which begins with https://. In a mobile deep link, it’s the name of the app. Here, that’s myapp://. Routing parameters follow the scheme (path?routing_parameter), controlling how the link functions. Below shows what a deep link could look like if you had an e-commerce app and wanted to point users to a specific product page:myapp://product?product_id=6398342
me of the app. Here, that’s myapp://. Routing parameters follow the scheme (path?routing_parameter), controlling how the link functions. Below shows what a deep link could look like if you had an e-commerce app and wanted to point users to a specific product page:myapp://product?product_id=6398342 This is the most basic form a deep link can take. Such links are known as “default deep links” and are relatively simple to set up. However, they only work if the user has the app installed, on their device. If you want to include users who may not have the app installed, you need to use deferred deep links. The next section covers these differences.
Two types of deep links There are two kinds of links: default and deferred deep links. 1 Default Default deep links only direct users to an app if it’s already installed. If the app is not installed, the link can’t reach the endpoint of an app so an error message is displayed. Default deep links are useful for retargeting campaigns where an app marketer is solely interested in finding users who have the app installed, and want them to return. App installed 0 App opens Click on ad ERROR! App not installed
The mobile app industry entered 2026 with significant momentum, characterized by a 10% year-over-year increase in global installs and a 7% rise in sessions throughout 2025. Consumer spending reached a record $167 billion, signaling a robust digital economy. This growth coincides with a fundamental technological shift where artificial intelligence has transitioned from an experimental feature to essential infrastructure for predictive segmentation and data analysis. Furthermore, the industry is moving away from a strictly mobile-first approach toward multi-platform strategies designed to capture fragmented consumer journeys across various devices. User privacy sentiment is also stabilizing, with App Tracking Transparency opt-in rates climbing to 38% by early 2026. Sector-specific performance reveals a complex landscape of engagement and acquisition costs. While the global gaming population reached 3 billion in 2025, overall gaming installs remained flat as the cost per install rose 30% to $0.56. However, casual games outperformed the broader market with a 19% increase in installs and a 37% surge in sessions. In contrast, the e-commerce sector faced challenges as global installs fell by 10%, though Latin America emerged as a significant growth outlier with a 30% increase in user engagement. These trends suggest that while user acquisition is becoming more expensive in mature categories, specific genres and emerging markets continue to offer high-velocity growth opportunities. The finance sector demonstrated unique resilience, with sessions increasing by 21% despite a slight decline in installs, reflecting the deep integration of digital wallets into daily consumer habits. Finance apps also led the shift toward paid acquisition, achieving a paid-to-organic ratio of 1.13 as costs per install decreased in most regions. As the industry moves through 2026, success is increasingly defined by retention-led growth and sophisticated cross-channel attribution. Future scalability will depend on the ability of developers to leverage AI-driven personalization and cross-device measurement to maintain engagement in an increasingly competitive and fragmented global market.
The Modern Mobile Consumer 2022: App Discovery Report examines the evolving journey of mobile users from initial app discovery to daily usage and long-term engagement. The primary thesis suggests that the traditional distinction between gamers and non-gamers is increasingly obsolete, as consumer behaviors and attitudes toward advertising are remarkably consistent across different app categories. Findings indicate that mobile gaming has become a universal hobby, with 60% of non-gaming app users playing mobile games daily, tying with social media for the top usage category. Data highlights the dominance of in-app advertising as a discovery tool, with 70% of gaming audiences and 78% of a control group reporting they have downloaded apps after seeing mobile advertisements. While most users maintain over 20 apps on their devices, the majority only engage with five to ten apps daily. To break into this limited rotation, the research suggests that video ads, app store promotions, and interactive formats are the most effective. Furthermore, rewarded ads—traditionally associated with gaming—show broad appeal, with 33% of non-gaming audiences paying more attention to ads that offer in-app incentives. The research methodology involved a large-scale survey of 30,457 respondents conducted in April and May 2022. The sample included 18,894 consumers from gaming apps and 11,563 from non-gaming apps within the ironSource network, supplemented by a 500-person third-party control group to eliminate bias. All participants were verified adults aged 18 or older. The geographic scope is global, focusing on the broader mobile app economy. Conclusions emphasize that successful user acquisition strategies must prioritize interest-based relevance, humor, and rewarded engagement to capture the attention of the modern mobile consumer.
The global mobile ecosystem is entering a period of maturation characterized by a 2.3% decline in installs, necessitating a strategic pivot from aggressive user acquisition toward sophisticated retention models. Because a 10% improvement in retention can yield profit increases of up to 90%, the industry is increasingly prioritizing the lifetime value of existing users. This shift is supported by the identification of distinct behavioral patterns between functional apps, which command high initial stickiness, and emotional categories like gaming, which foster long-term loyalty. By analyzing these "app-hopping" behaviors, marketers can identify high-value users who move fluidly between different app categories. Data across various gaming genres indicates that while retention naturally declines over time, Return on Ad Spend often grows significantly as players deepen their investment in narrative and premium features. For instance, simulation games frequently see a threefold increase in ROAS by the thirtieth day of engagement. Furthermore, significant cross-genre affinities exist, such as RPG players demonstrating a 40.2% engagement rate with non-gaming applications. These insights suggest that targeting "synthesized cohorts"—clusters of interconnected apps based on shared user habits—is more effective than traditional siloed marketing. To maximize engagement through 2025, the industry must adopt advanced technological frameworks, including deep neural networks and supervised AI, to facilitate surgical ad precision. Utilizing a "Stickiness Index" allows for the quantification of engagement patterns, enabling the deployment of dynamic product ads and automated event-based retargeting. By leveraging real-time post-install data and deep linking, advertisers can create frictionless, hyper-personalized journeys that capture users during high-intent moments. This methodology transforms brief digital interactions into sustained loyalty, ensuring that advertising spend is optimized across both gaming and non-gaming verticals globally.
The mobile gaming industry is entering a period of stabilization and renewed growth following recent volatility, characterized by a 7% year-over-year increase in global installs during late 2023. While consumer spending saw a marginal decline throughout the previous year, early 2024 data suggests a recovery driven by the rise of hybrid casual titles and the integration of artificial intelligence to streamline production. This shift is particularly evident in the Latin American market and within specific subverticals like Racing and Simulation, which experienced install surges of 61% and 53%, respectively. Despite these gains, the landscape remains competitive as organic install shares dropped to 50% and median day-one retention rates softened to 28.3%. Monetization strategies are evolving as developers pivot toward hybrid models that combine in-app purchases with advertising revenue. Although global effective cost per install nearly doubled to $0.99 in 2023, in-app revenue grew by 6%, led by high-value genres such as RPGs and Adventure games. These categories command the highest lifetime value and average revenue per monthly active user, particularly in mature markets like the United States and Japan. Conversely, hyper-casual games continue to prioritize volume and efficiency, maintaining low acquisition costs despite a broader industry trend toward more complex, long-term engagement models. The industry has demonstrated significant resilience regarding privacy changes, with global App Tracking Transparency opt-in rates rising to 39%. This adaptation, coupled with the superior performance of hybrid casual games in click-through rates and ad revenue, indicates a strategic move toward data-driven marketing and diversified revenue streams. As the sector moves through 2024, success depends on balancing high acquisition costs in premium markets with the massive scale offered by emerging regions like India and Southeast Asia, all while navigating a more privacy-centric digital ecosystem.