# Attention Bubble

> Attention Bubble (iPhone/iPad app by 润浩 吴.)

- Source: https://appshunter.io/ios/app/attention-bubble/id6745031985 (this page in markdown: same URL + `.md`)
- Developer: [润浩 吴](https://appshunter.io/developer/1806266669)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 12 MB
- Languages: American English
- Released: 2025-05-04
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/attention-bubble/id6745031985/reviews.md

## What is Attention Bubble?

This app estimates critical speed—your baseline running capacity—using time and distance data from at least three sessions. It helps runners train smarter, not harder.


## Version history (last 2 releases)

### 1.1 — 2025-12-01

An introductory splash video has been included to provide users with a clearer understanding of the app’s purpose and features.

### 1.0 — 2025-05-04

No release notes.

---

*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.*