Comparison

RevenueCat Mobile vs First Stack App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RevenueCat Mobile

Monitor your app's subscription revenue and key business metrics on the go. Track in-app purchases, view customer journeys, and test paywalls with interactive charts and real-time notifications. Handy widgets provide instant insights into your app's performance.

Highlights
  • Subscription tracking
  • In-app purchase monitoring
  • Key metric dashboards
  • Customer journey analysis
  • Paywall testing
  • Real-time notifications
  • Interactive charts
Features
Read full description

Stay on top of your subscription business, wherever you are. The official RevenueCat companion app lets you easily track in-app purchases, monitor key metrics, and test your paywalls. And now, with Rico and the new AI paywall editor, you can put AI to work on your app business: ask questions about your apps, then edit and publish your paywalls — all without leaving the app. • Rico: Chat with RevenueCat’s AI agent about your apps. Ask about metrics, dig into changes, attach screenshots, and approve every action Rico takes — right from your phone. • AI Paywall Editor: Edit paywalls just by describing the change, watch the preview update live, and publish to production when it’s ready. • Siri & App Shortcuts: Ask Siri for your MRR, revenue, active subscriptions, trials, and more — or build your own automations. • Charts: Explore your subscription data with interactive charts. • Customer History: See the journey your users take to become paying customers. Easily check renewals, refunds, and upgrades. • Notifications: Be the first to know when a purchase is made. • Widgets: Active trials, live transaction feed, and more. • Paywalls: Test your flows before shipping them to customers. The official RevenueCat app is free to use, and will work with any RevenueCat account, regardless of being on a paid or free RevenueCat plan. If you have any suggestions or feature requests for this app, please write us at support@revenuecat.com, or X at us on X.com, the everything app: @RevenueCat The RevenueCat companion app is designed for current RevenueCat users, making it easier than ever to stay on top of your business, wherever you are.

About

First Stack App

Features
Read full description

Your first paycheck feels great — until it’s gone. First Paycheck is a simple 90-day money companion built for Gen Z. It helps you avoid overspending when you start a new job, without banks, without stress, and without complicated budgets. No accounts. No linking banks. Just clear daily guidance. How it works • You enter your salary and basic expenses • We show how much is safe to spend each day • You track spending in seconds • An AI Coach warns you before things go wrong What you’ll see every day • A clear daily safe spend number • A risk score that shows if you’re safe or pushing it • Simple feedback like “You’re good” or “Slow down today” AI Coach (guidance only) Ask questions like: • “Can I afford this?” • “When will my fun money run out?” • “What should I cut this week?” The AI gives short, realistic suggestions based on your numbers — not generic advice. Built for real life • Focused only on your first 90 days • No complicated charts • No finance jargon • No shame Free Trial Try everything free for 7 days. After that, keep your Coach for $2.99/month.

Screenshots

RevenueCat Mobile4 screens
First Stack App3 screens

Verdict

The call

The clearest difference is in-app purchases: RevenueCat Mobile at none against First Stack App's 1. First Stack App's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. First Stack App sells 1 in-app purchase, starting at $2.99 per month. RevenueCat Mobile asks for nothing beyond the download.

Scorecard2 real differences · 8 level
RevenueCat Mobile versus First Stack App: the parameters behind the verdict, then further details
ParameterRevenueCat MobileFirst Stack App
PriceFreeFree
Rating4.9 (1.1K ratings) — better—
Positive reviews84.3% of reviews—
Number of ratings1.1K — better—
Update frequencyEvery 10 days—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size177 MB40 MB
Age rating4+4+
DeveloperRevenueCat Inc.Nicolas Maria Ruiz Guinazu

Bugs and requests

RevenueCat Mobile

Reported bugs

2 issues
  • Can't access settings
  • Crashes on older devices

Requested features

5 requests
  • Add charts and graphs
  • Support for local currencies
  • Expand date range options for transactions
  • Display total daily revenue
  • Personalized onboarding and industry comparisons

First Stack App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

RevenueCat Mobile

No in-app purchases

1 purchases

First Stack App

Subscriptions1
  • ProMonthly$2.991 Month

Questions

Is RevenueCat Mobile free?
RevenueCat Mobile is free to download, with no in-app purchases.
Is First Stack App free?
First Stack App is free to download, with in-app purchases available.
Do RevenueCat Mobile or First Stack App have ads?
Neither RevenueCat Mobile nor First Stack App shows ads.

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