Question 1

Is it safe to share my API keys?

Accepted Answer

Yes, absolutely. Security is our top priority, and we've implemented multiple layers of protection: Read-only access, Industry-standard encryption, API key validation, Input validation, No key exposure, Automatic retry with backoff, Rate limiting protection, Network timeout protection, Race condition prevention, Comprehensive error monitoring, You're in complete control, Minimal permissions.

Question 2

What are the benefits of listing my app?

Accepted Answer

Listing your app on our platform comes with several valuable benefits: Increased exposure, Dofollow backlink, Build in public credibility, Find a cofounder, Attract investors, Community recognition.

Question 3

Which platforms are supported?

Accepted Answer

We support apps connected through: RevenueCat, RevenueCat Verified, Adapty, Apple App Store Connect, Google Play Store. All connections use read-only API access.

Question 4

Do you support Superwall?

Accepted Answer

Not yet. Superwall doesn't currently provide a public API for accessing revenue metrics. If they add API support in the future, we'll add support for Superwall as well.

Question 5

What is a Stealth App?

Accepted Answer

A Stealth App is an app where the owner has chosen to verify their revenue publicly while keeping their app name and store links private. This protects founders from competitors copying their advertising strategies.

Question 6

What data do you access?

Accepted Answer

We only access the minimum data needed to display your revenue metrics: Revenue and subscription metrics (MRR, ARR, revenue totals), App information (name, bundle ID, package name), App Store/Play Store URLs. We do not access user data, personal information, or any data beyond what's needed for revenue metrics.

Question 7

How often is my data updated?

Accepted Answer

Different platforms sync at different frequencies: RevenueCat, RevenueCat Verified, Adapty: Updated once per hour. Apple Store Connect standalone, Google Play Store standalone: Updated once per day. App Store ratings: Synced daily. App screenshots: Synced weekly.

Question 8

How long does it take to add my app?

Accepted Answer

Adding your app takes less than 1 minute. Simply enter your read-only API credentials and your app will appear on the leaderboard immediately after verification.

Question 9

Can I remove my app later?

Accepted Answer

Yes, you have full control. You can delete your app connection at any time, revoke API access by deleting or regenerating your API keys, or contact us if you need help removing your data.

Question 10

Can I keep my app private or hidden?

Accepted Answer

Yes! We offer a stealth mode option. When enabled, your app name and store URLs are hidden from public view, only your revenue metrics are displayed, and your app appears as "Stealth App" in listings.

Question 11

How do I update my app information after adding it?

Accepted Answer

You can update your app information anytime by going to your app's detail page, clicking the "Edit / Delete" button, updating your settings, and saving your changes.

Question 12

Can I add multiple apps?

Accepted Answer

Yes! You can add as many apps as you want. Each app requires its own API key connection. All your apps will appear in your founder profile and you can manage each app independently.

Question 13

Is this service free?

Accepted Answer

Yes, completely free! There are no charges for adding your apps, viewing metrics and leaderboards, using all features including stealth mode, or automatic hourly data syncing.

Question 14

What if my API key expires or I need to change it?

Accepted Answer

No problem! You can update your API key anytime by going to your app's detail page and clicking "Edit / Delete", entering your new API key, and saving your changes. Your app will continue syncing with the new key.

Question 15

Can I choose which metrics to display?

Accepted Answer

Yes! For RevenueCat, RevenueCat Verified, and Adapty integrations, you can control which metrics are visible. Some metrics like MRR and revenue are always visible for verification, but you can hide optional metrics like active subscriptions, trials, churn rate, etc.

Question 16

How long does it take for my app to appear after adding it?

Accepted Answer

Usually within a few minutes. Your app is added immediately after successful credential verification, initial metrics are fetched right away, and data syncs automatically every hour after that.

Question 17

Can I use multiple platforms for the same app?

Accepted Answer

No, each app can only be connected through one platform at a time. Our system prevents duplicate entries to keep the database clean and accurate. If you want to switch platforms, you'll need to delete the existing connection first.

Question 18

What is the Low MRR Leaderboard?

Accepted Answer

The Low MRR Leaderboard celebrates early-stage apps making $200 MRR or less. This leaderboard is designed to motivate founders with new apps and low revenue to track their progress and share their journey.

Is this your app?

Calistack

Star Ratings(5 ratings | avg ★ 3.6)

App Store (5 ratings)

Downloads (28 days · iOS + Android)

Total Downloads (Play Store)

Last 28 days

Revenue

AR

MRR

ARR

Cash Flow Index

Active Subscriptions

Active Trials

ARPAS

Paid Subscriber Share (snapshot)

Active Customers

New Customers

Subscription Penetration

ARPU

RPD

ARPPU

LTV

MRR Growth (28d)

Subscriber Growth (28d)

App Screenshots

In-App Pricing

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