# DOMS Fitness vs ByBo

The clearest difference is update cadence: ByBo at every 3 weeks against DOMS Fitness's every 8 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.

DOMS Fitness ships an update every 8 months, ByBo every 3 weeks. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | DOMS Fitness | ByBo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 67 MB | 57 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashbourne](https://appshunter.io/developer/1130933933) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### DOMS Fitness

[App page](https://appshunter.io/ios/app/doms-fitness/id6745080472)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ByBo

[App page](https://appshunter.io/ios/app/bybo/id6761608607)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DOMS Fitness free?

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

### Is ByBo free?

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

### Do DOMS Fitness or ByBo have ads?

Neither DOMS Fitness nor ByBo shows ads.

### Which is updated more often, DOMS Fitness or ByBo?

DOMS Fitness ships an update every 8 months, and ByBo every 3 weeks. Most recently, DOMS Fitness was updated on October 25, 2026 and ByBo on October 16, 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.*