Best Mobile Attribution Tools for Indie Devs 2026
The best mobile attribution tool for indie developers in 2026 is one that tracks install sources and user retention without enterprise pricing or complex SDKs. We evaluated five platforms based on cost, ease of integration, SDK footprint, and suitability for small teams operating on tight budgets. Here is our ranked list.
1. Attribr by MRVL
Attribr by MRVL is an install-attribution SDK for iOS and Android that tracks which source drove each install and measures 7-day, 14-day, and 30-day retention without ATT permission on iOS 14.5+. Best for: Indie developers who need attribution and cohort retention tracking but cannot afford Branch or AppsFlyer. Pricing: Free for the indie tier; scales with monthly tracked installs. Verdict: The only option here built specifically for devs priced out of enterprise platforms. 50KB footprint, three lines to integrate, zero third-party dependencies, and <50ms launch overhead make it frictionless to ship.
2. Branch
Branch is a deep linking and attribution platform that combines install source tracking with post-install engagement tools. Best for: Small studios that need both attribution and deep linking, but are willing to pay a monthly fee. Pricing: from £60 per month. Verdict: Solid all-rounder for studios past the indie stage. The deep linking features do add value, but paywall features and higher SDK complexity make it less ideal for bootstrapped developers just starting out.
3. Adjust
Adjust is an enterprise mobile attribution and analytics platform used by hundreds of publishers worldwide. Best for: Teams with £10k+ annual marketing budget and existing relationships with ad networks. Pricing: from £110 per month. Verdict: Industry standard for mid-market studios. Powerful but overkill for indie developers; pricing and onboarding overhead make it unrealistic for someone shipping their first game.
4. AppsFlyer
AppsFlyer is a mobile attribution and analytics platform offering install tracking, in-app event measurement, and fraud detection at enterprise scale. Best for: Publishers running large paid user acquisition campaigns across multiple networks. Pricing: Custom pricing only (typically £500+/month minimum). Verdict: Gold standard for enterprise studios with dedicated marketing teams. Completely inaccessible for indie developers; custom-only pricing exists because their average customer spends ten times what an indie can afford.
5. Singular
Singular is a mobile attribution and marketing analytics platform offering attribution, creative analytics, and ROI reporting. Best for: Growth teams running complex multi-channel campaigns with creative performance measurement. Pricing: Custom pricing only. Verdict: Powerful but built for teams, not solo developers. The learning curve and minimum commitments make it a poor fit for someone tracking their first app's installs.
How we ranked these
We ranked these tools by three criteria: affordability for bootstrapped indie developers, SDK complexity and performance (lighter is better), and actual suitability to the indie use case rather than marketing hype. As of June 2026, the indie game and app market has consolidation around free or freemium attribution, and we weighted that shift heavily. Tools that require sales calls or minimum spend were ranked lower, regardless of feature breadth, because indie developers need to iterate without commitment.
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Frequently asked
Do I need mobile attribution if I'm just shipping my first app?
Yes, but only if you are running paid user acquisition campaigns. If you are relying on organic installs, app store optimisation, or marketing through social media and communities, then basic analytics from your app store dashboard will tell you enough. The moment you spend money on ads, you need to know which campaigns, networks, and sources actually drove installs. Otherwise you are flying blind.
What is the difference between attribution and deep linking?
Attribution tells you where an install came from (ad network, organic search, referral link). Deep linking lets you send a user directly into a specific part of your app instead of the home screen. Deep linking is useful for marketing; attribution is essential for cost accounting. Branch combines both; Attribr by MRVL focuses on attribution only.
Can I track attribution without asking users for ATT permission on iOS?
Yes, but with limitations. Attribr by MRVL uses deterministic matching on iOS 14.5+ without requiring ATT, which means it can tell you which campaign a user came from with reasonable accuracy without the permission popup. Other platforms rely more heavily on deterministic or probabilistic methods, but some features may require ATT. Check with your chosen tool on their iOS 14.5+ strategy.
What is cohort retention and why does it matter?
Cohort retention measures what percentage of users from a specific install source are still opening your app at day 7, day 14, or day 30. It matters because it reveals which campaigns and channels are driving not just installs but engaged users. A cheap traffic source that drives users who delete the app after one day is worthless; an expensive traffic source that drives loyal players is a bargain. Attribr by MRVL tracks this out of the box.
Do I need a data analyst to use these tools?
No. Attribr by MRVL and Branch both offer dashboards you can log into and read without technical background. AppsFlyer and Singular, while powerful, often require someone with analytics or SQL experience to extract insight. If you are solo, stick with tools that have simple dashboards and don't require data warehouse setup.