Collect 21

Category: Games

Collect 21 Summary

Collect 21 is a ad-supported iOS app in Games by Phoca. Released in Aug 2022 (3 years ago). Store metadata: updated Aug 2, 2022.

Store info: Last updated on App Store on Aug 2, 2022 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: 1636317536

First Released: 2022-08-02

Store Last Updated: 2022-08-02

In-App Purchases: No

Ads: Yes

Website: starfish-app-5zvpt.ondigitalocean.app

App Store

Crawl Status: Success

AppGoblin First Crawled: 2026-01-14

AppGoblin Last Crawled: 2026-03-06

Ads & App-Ads.txt

Ads.txt Last Crawled: 2026-03-03

Ads.txt Crawl Status: Failed

AppGoblin SDK Scans

App not yet analyzed for SDKs.

0★

Ratings:

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Screenshots

App Description

Playing Collect 21 for 10 minutes a day sharpens your mind and prepares you for your daily life and challenges!

Collect numbers - Challenge your brain through thousands of mahjong puzzles. Puzzles start with low difficulty and become challenging fast!
Create a Calm Experience - Solve addictive yet always evolving numbers by collecting mahjong puzzles in a unique and calm experience.