# SWELL vs MIRROR FIT.モバイルトレーナー

The clearest difference is update cadence: MIRROR FIT.モバイルトレーナー at every 3 weeks against SWELL's every 35 months. SWELL's advantage is iOS requirement (8.0 vs 14.0). 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.

SWELL ships an update every 35 months, MIRROR FIT.モバイルトレーナー every 3 weeks. The most recent releases landed on September 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SWELL | MIRROR FIT.モバイルトレーナー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 3 weeks** |
| Size | 3 MB | 102 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Cynd Co.,Ltd.](https://appshunter.io/developer/512501162) | [MIRROR FIT CO., LTD.](https://appshunter.io/developer/1671487391) |

## What reviewers say

### SWELL

[App page](https://appshunter.io/ios/app/swell/id1162528852)

**In-app purchases:** none


### MIRROR FIT.モバイルトレーナー

[App page](https://appshunter.io/ios/app/mirror-fit/id1671487389)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SWELL free?

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

### Is MIRROR FIT.モバイルトレーナー free?

MIRROR FIT.モバイルトレーナー is free to download, with no in-app purchases.

### Do SWELL or MIRROR FIT.モバイルトレーナー have ads?

Neither SWELL nor MIRROR FIT.モバイルトレーナー shows ads.

### Which is updated more often, SWELL or MIRROR FIT.モバイルトレーナー?

SWELL ships an update every 35 months, and MIRROR FIT.モバイルトレーナー every 3 weeks. Most recently, SWELL was updated on September 28, 2026 and MIRROR FIT.モバイルトレーナー on October 25, 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.*