---
title: "ThirtyB - Reviews, Revenue and Downloads in Switzerland | Apple App Store"
description: "Modeled after U.S. standardized test formats, it challenges users with synonym-based multiple-choice questions across five unique modes. Each day, players get 30 minutes to earn points, climb leaderbo"
---

# ThirtyB — Switzerland

![ThirtyB App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/25/49/86/254986be-ac8b-0793-555d-91688154ffec/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-kBJtNb)
**Category:** Education
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.haraldkohlmann.30B.ThirtyB
**Store:** Apple App Store
**Country:** Switzerland
**Version:** 1.4.1 (released 2026-05-22)
**Original Release:** 2025-12-04
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ch/app/app/id6746424055)
**AppTail Page:** [https://apptail.io/app/thirtyb-Dpbz/switzerland](https://apptail.io/app/thirtyb-Dpbz/switzerland)

## ThirtyB Description
Modeled after U.S. standardized test formats, it challenges users with synonym-based multiple-choice questions across five unique modes. Each day, players get 30 minutes to earn points, climb leaderboards, and master over 3,000 words using adaptive learning, spaced repetition, and instant feedback. With analytics, social accountability, and handwriting-powered bonus boosters, ThirtyB makes deep learning fast, focused, and fun.

Terms of Use: 
Privacy Policy: 

## ThirtyB Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e1/12/a0/e112a0b7-58ac-d7aa-3caa-3043c6582238/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2025-11-21_at_18.57.21.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/0d/b0/b4/0db0b4e9-f976-c715-39be-5f8d486a44d5/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2025-11-21_at_18.57.45.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/35/6d/ca/356dca65-e80f-9980-06a0-62cdd541797b/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2025-11-21_at_18.57.54.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/37/b3/2a/37b32a18-cf5d-e0c4-d311-ab0becaa91d7/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2025-11-21_at_18.58.22.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b2/30/07/b230079d-526e-d4b0-4acf-cb10bd96685d/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2025-11-21_at_18.58.33.png/1242x2688.png)



## ThirtyB In-App Purchases
| Item | Price |
|------|-------|
| Yearly Premium Plan | CHF 50.00 |
| Monthly Premium Plan | CHF 5.00 |




## ThirtyB Available In
- [Switzerland](https://apptail.io/app/thirtyb-Dpbz/switzerland)
- [Denmark](https://apptail.io/app/thirtyb-Dpbz/denmark)

---

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