# R:BT Mob App

> R:BT Mob App (iPhone/iPad app by Hai Pham Thi.)

- Source: https://appshunter.io/ios/app/rbt-mob-app/id6763298740 (this page in markdown: same URL + `.md`)
- Developer: [Hai Pham Thi](https://appshunter.io/developer/1895253631)
- Category: Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.6 · 7 MB
- Languages: American English
- Released: 2026-04-29
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/rbt-mob-app/id6763298740/reviews.md

## What is R?

RainBrain – Stay Focused on What’s Important

RainBrain is a minimalist productivity app designed to help you avoid distractions and focus on one thing at a time. In a world full of noise, it gives you a clear and simple space to decide what deserves your attention – right now.

Instead of overwhelming to-do lists, RainBrain encourages intentional focus. Log tasks, choose your priority, and stay present until they’re done. Whether you’re working, studying, or just trying to stay organized, RainBrain keeps your mind clear and your actions purposeful.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Support Development | $0.99 | one-time |



## Version history (last 2 releases)

### 1.1 — 2026-05-01

Critical bug fix on app launch. Improved app stability and reliability. Smoother task logging experience

### 1.0 — 2026-04-29

No release notes.

## Related topics

[noescape focus](https://appshunter.io/ios/topics/noescape-focus)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*