For a free starting point for standard iOS and Android measurement, choose Firebase. If your priority is a fixed install-to-purchase funnel and subscription revenue, ActivationPal’s onboarding analytics is built for that narrower job.
| Tool | Best for | Free or entry plan |
|---|---|---|
| Standard app measurement | Free; reporting on up to 500 distinct events | |
| Product analytics with a large free event allowance | Free: 2 million events per month | |
| Event analytics, replay, and experimentation | Free: up to 1 million events per month | |
| Usage-priced analytics with a free monthly allowance | 1 million analytics events free each month | |
| Analytics and in-app guidance for smaller products | Free: up to 500 monthly active users | |
| Session analysis for mobile apps | Free: 2 app keys and 3,000 sessions per month | |
| Fixed onboarding-to-purchase funnels and subscription revenue | Free plan; Starter is $9/month |
1. Google Analytics for Firebase
Best for: teams that want free standard usage and engagement measurement on iOS and Android.
Firebase is the clearest free starting point for standard usage and engagement measurement on iOS and Android. Google says Analytics is available at no charge and supports custom events and in-app purchase data.
Choose it for broad app measurement. If your main question is how users move through a product experience or where they abandon a specific flow, compare it with event analytics and funnel-focused tools below. Google’s Firebase Analytics overview covers its app reporting features.
2. Amplitude
Best for: teams that need product analytics with a large free monthly event allowance.
Amplitude fits teams that want product analytics and room to collect events before paying. Its Free plan includes Product Analytics and unlimited seats, according to its official pricing page.
It suits teams where event analysis is central to product decisions.