# B Athletic vs Fastwell

The clearest difference is in-app purchases: B Athletic at none against Fastwell's 2. B Athletic also leads on iOS requirement (15.1 vs 17.0). Fastwell's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Fastwell sells 2 in-app purchases, starting at $4.99 per 7 days. B Athletic asks for nothing beyond the download.

B Athletic ships an update every 2 months, Fastwell monthly. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | B Athletic | Fastwell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 74 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Xoda Pty Ltd](https://appshunter.io/developer/1662306656) | [Vadim Semenko](https://appshunter.io/developer/1539136864) |

## What reviewers say

### B Athletic

[App page](https://appshunter.io/ios/app/b-athletic/id6745512710)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fastwell

[App page](https://appshunter.io/ios/app/fastwell-intermittent-fasting/id6789995014)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is B Athletic free?

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

### Is Fastwell free?

Fastwell is free to download, with in-app purchases available.

### Do B Athletic or Fastwell have ads?

Neither B Athletic nor Fastwell shows ads.

### Which is updated more often, B Athletic or Fastwell?

B Athletic ships an update every 2 months, and Fastwell monthly. Most recently, B Athletic was updated on September 11, 2026 and Fastwell on September 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.*