# RetoneFit vs TUITECH

The clearest difference is update cadence: TUITECH at every 5 weeks against RetoneFit's every 3 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.

RetoneFit ships an update every 3 months, TUITECH every 5 weeks. The most recent releases landed on May 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | RetoneFit | TUITECH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 153 MB | 45 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [志琴 张](https://appshunter.io/developer/1429316716) | [Shenzhen Eartech Co., Ltd.](https://appshunter.io/developer/1586501650) |

## What reviewers say

### RetoneFit

[App page](https://appshunter.io/ios/app/retonefit/id6474723305)

**Features:** macOS Compatibility

**In-app purchases:** none


### TUITECH

[App page](https://appshunter.io/ios/app/tuitech/id6740206518)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RetoneFit free?

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

### Is TUITECH free?

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

### Do RetoneFit or TUITECH have ads?

Neither RetoneFit nor TUITECH shows ads.

### Which is updated more often, RetoneFit or TUITECH?

RetoneFit ships an update every 3 months, and TUITECH every 5 weeks. Most recently, RetoneFit was updated on May 19, 2026 and TUITECH on September 10, 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.*