# Breathru vs SELLERTOOL

The clearest difference is update cadence: SELLERTOOL at fortnightly against Breathru's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Breathru ships an update every 11 months, SELLERTOOL fortnightly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Breathru | SELLERTOOL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (13 ratings)](https://appshunter.io/ios/app/breathru/id1632592731/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 35 MB | 50 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳市智净科技有限公司](https://appshunter.io/developer/1632592733) | [广州量岛信息科技有限公司](https://appshunter.io/developer/1711066823) |

## What reviewers say

### Breathru

[App page](https://appshunter.io/ios/app/breathru/id1632592731)

This app collects breathing training data, syncing with smart devices to track daily performance, training times, and best results. It offers tutorials and guidance for scientific breathing exercises to improve lung capacity, endurance, circulation, and reduce stress.

**Highlights:** Collect breathing training data, Sync with smart devices, Track daily performance metrics, View data in graphs and numbers, Review training and testing records, Guided breathing exercises, Improve lung capacity and endurance

**Features:** macOS Compatibility

**In-app purchases:** none


### SELLERTOOL

[App page](https://appshunter.io/ios/app/sellertool/id6449766589)

**In-app purchases:** none


## Frequently asked questions

### Is Breathru free?

Breathru is free to download, with no in-app purchases.

### Is SELLERTOOL free?

SELLERTOOL is free to download, with no in-app purchases.

### Do Breathru or SELLERTOOL have ads?

Neither Breathru nor SELLERTOOL shows ads.

### Which is updated more often, Breathru or SELLERTOOL?

Breathru ships an update every 11 months, and SELLERTOOL fortnightly. Most recently, Breathru was updated on October 24, 2026 and SELLERTOOL on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*