# Sofast vs Prime Boxing

The clearest difference is in-app purchases: Prime Boxing at none against Sofast's 3. Sofast's advantage is update cadence (every 4 days vs every 28 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sofast sells 3 in-app purchases, starting at $7.99 per month. Prime Boxing asks for nothing beyond the download.

Sofast ships an update every 4 days, Prime Boxing every 28 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sofast | Prime Boxing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (41 ratings)](https://appshunter.io/ios/app/sofast-intermittent-fasting/id1626557865/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 28 months |
| Monetization | Freemium | — |
| Size | 12 MB | 78 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MOBNESS LTD](https://appshunter.io/developer/1690422939) | [PRIME BOXING USA, LLC](https://appshunter.io/developer/1731135685) |

## What reviewers say

### Sofast

[App page](https://appshunter.io/ios/app/sofast-intermittent-fasting/id1626557865)

This app helps users achieve weight loss through intermittent fasting. It offers a timer, meal plans, recipes, and expert advice to guide users on their health journey. Track progress and choose from various fasting plans for a healthier lifestyle.

**Highlights:** Intermittent fasting timer, Personalized meal plans, Expert advice, Progress tracking, Mood and water tracker, Fasting recipes, Multiple fasting plans

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Membership | $7.99 | per month |
| Plus Membership | $14.99 | per 3 months |
| Plus Membership | $29.99 | per year |


### Prime Boxing

[App page](https://appshunter.io/ios/app/prime-boxing/id6504632322)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sofast free?

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

### Is Prime Boxing free?

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

### Do Sofast or Prime Boxing have ads?

Neither Sofast nor Prime Boxing shows ads.

### Which is updated more often, Sofast or Prime Boxing?

Sofast ships an update every 4 days, and Prime Boxing every 28 months. Most recently, Sofast was updated on October 23, 2026 and Prime Boxing on October 27, 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.*