
Indie developers do not need expensive enterprise MMPs to get reliable attribution. This article explains what small teams actually need at an early stage, compares several free and affordable options, and shows that the best choice depends on whether you need cross channel attribution, ad revenue tracking, deep linking, or simple Google based analytics. The main takeaway is that indie teams should start with a low cost tool that covers core attribution, event tracking, and SKAN support, then scale only when their growth demands it.
You're building an app with a small team and a lean budget. You know you need attribution to understand which marketing channels work — but enterprise MMPs want 5K-50K/month, require annual commitments, and include features you'll never touch.
Good news: you don't need to choose between "no attribution" and "enterprise-grade overkill." Several MMPs offer genuinely useful free tiers or affordable plans designed for indie developers and small teams.
Not all features matter equally at your stage. Here's what's essential versus nice-to-have:
| Feature | Why It Matters for Indies |
|---|---|
| Basic Attribution | Know which channels drive installs — organic vs. paid, and which ad networks perform best |
| Install & Event Tracking | Track installs and key in-app events (signup, purchase, level completion) |
| Core Network Integrations | Meta, Google, TikTok, Unity Ads, AppLovin — the networks you'll actually use |
| SKAN Support | Required for iOS campaign measurement |
| Dashboard & Reporting | Visualize campaign performance without building custom BI |
| Free or Very Low Cost | You're investing in the product, not the analytics stack |
| Feature | When You'll Need It |
|---|---|
| Multi-Touch Attribution | When you're running 5+ channels simultaneously |
| Advanced Fraud Prevention | When UA spend exceeds $10K/month |
| CTV / Omni-Channel | When you expand beyond mobile |
| Predictive Analytics | When you have 6+ months of user data |
| Raw Data Export | When you build a custom data warehouse |
SolarEngine stands out for indie developers because its free tier isn't a stripped-down demo — it's the full platform with three core modules and no artificial volume limits.
What you get for free:
What you DON'T pay for:
Why it wins for indies: SolarEngine was designed by Mobvista (a company serving 7,000+ active clients across 95 countries) specifically to serve developers who need powerful tools without enterprise budgets. Techouse Games, a Pakistani studio with limited technical resources, integrated SolarEngine with help from a dedicated support team — achieving 30% more downloads, 25% lower CAC, and 20% higher retention within the first month of their game launch.
SDK Integration: Lightweight SDK with clear documentation. Most developers complete integration in 1-2 days. Techouse Games' team mastered the platform through online demonstrations and immediately integrated it into their workflows.
Kochava offers a free analytics tier specifically for qualifying smaller apps.
What you get for free:
Limitations:
Best for: Very early-stage apps that need minimal attribution and plan to evaluate enterprise MMPs later.
If your primary need is deep linking (web-to-app, email-to-app, social-to-app), Branch's free tier is strong.
What you get for free:
Limitations:
Best for: Apps where deep linking (not paid UA attribution) is the primary need.
If you're specifically building mobile games, Tenjin's free tier is worth considering.
What you get for free:
Limitations:
Best for: Solo game developers and tiny studios building hypercasual or casual games.
If you're already in the Google ecosystem, Firebase provides free analytics and basic attribution.
What you get for free:
Limitations:
Best for: Apps running Google-only ad campaigns, or teams needing analytics (not cross-network attribution).
| Feature | SolarEngine | Kochava Free | Branch Free | Tenjin Free | Firebase |
|---|---|---|---|---|---|
| Full Attribution | Yes (cross-channel) | Basic | Deep-link focused | Basic | Google-only |
| Volume Limits | None | May apply | Limited | Limited | None |
| Ad Revenue Tracking | Yes (_appImp events) |
No | No | Yes | Limited |
| Analytics Models | 7 models + SQL query | Basic | No | Basic | Good |
| A/B Testing | Built-in | No | No | No | Yes |
| Custom Reporting | 30+ dimensions, 100+ metrics | Basic | No | Basic | Limited |
| Open API / BI Export | Included | Limited | Limited | Limited | Yes |
| Fraud Detection | Yes (real-time blocking) | Basic | No | Basic | No |
| Postback Configuration | Visual, no-code | Basic | Limited | Basic | Limited |
| Data Residency | EU, SEA, MENA | Limited | Limited | Limited | Google Cloud |
| Dedicated Account Manager | Yes | No | No | No | No |
| Seat Fees | None | None | None | None | None |
| Non-Google Networks | Full | Full | Limited | Full | Limited |
| SDK Weight | Light | Light | Light | Light | Medium |
Do you monetize with ads (IAA)?
├── Yes → Is gaming your vertical?
│ ├── Yes → SolarEngine (best gaming + IAA + free)
│ └── No → SolarEngine (best IAA attribution + free)
└── No → Is deep linking your primary need?
├── Yes → Branch (best deep linking free tier)
└── No → Do you only run Google Ads?
├── Yes → Firebase (free, integrated with Google)
└── No → SolarEngine (best all-around free MMP)
Skipping attribution entirely — "I'll add it later" turns into "I've spent $20K on UA with no idea what worked." Integrate your MMP before your first paid campaign.
Choosing based on brand name — Enterprise MMPs (AppsFlyer, Adjust) are designed for enterprise budgets. Don't pay $5K/month for features you'll use in 2 years.
Using Firebase as your only MMP — Firebase is great for analytics and Google Ads, but it's not a neutral, cross-network attribution platform. If you run ads on Meta, TikTok, or Unity, you need a real MMP.
Not tracking post-install events — Install attribution alone tells you which channels drive installs. Event attribution tells you which channels drive valuable users. Set up key events from day one.
Ignoring SKAN setup — If you're acquiring iOS users, SKAN configuration matters. Set up conversion values aligned with your key metrics before launching iOS campaigns.
**Q: Do I really need an MMP if I'm only spending 1K/month on ads?** A: Yes. Even at 1K/month, knowing that Facebook drives 10x the ROI of your other channels lets you redirect spend immediately. That insight pays for itself in the first week. And with free MMPs like SolarEngine, there's zero cost to get started.
Q: When should I upgrade from a free tier to paid?
A: SolarEngine's free tier already includes a dedicated account manager, Open API, and all 7 analytics models — so upgrading is only needed when you require enterprise SLA guarantees or advanced custom integrations. For most indie developers, the free tier covers the first 1-2 years of growth.
Q: Can I switch MMPs later without problems?
A: You can switch, but it's disruptive — SDK swap, ad network reconfiguration, historical data loss. Choose an MMP you can grow with. SolarEngine's free-to-enterprise scaling path means you may never need to switch.
Q: How long does MMP integration take for a solo developer?
A: SolarEngine's SDK can be integrated in 1-2 days. Plan half a day for SDK integration, half a day for event configuration, and a day for testing and ad network postback setup.
Don't wait until you're spending thousands to start tracking. SolarEngine gives indie developers the same attribution tools that enterprise teams use — completely free, with no tricks.
Start Building with SolarEngine →
