# SO FIT vs B

The clearest difference is update cadence: B at monthly against SO FIT'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.

SO FIT ships an update every 8 months, B monthly. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SO FIT | B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| 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

### SO FIT

[App page](https://appshunter.io/ios/app/so-fit/id6478277282)

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

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-strong/id6751192218)

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

**In-app purchases:** none


## Frequently asked questions

### Is SO FIT free?

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

### Is B free?

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

### Do SO FIT or B have ads?

Neither SO FIT nor B shows ads.

### Which is updated more often, SO FIT or B?

SO FIT ships an update every 8 months, and B monthly. Most recently, SO FIT was updated on October 19, 2026 and B on October 9, 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.*