# Intermit vs ShredFast

The clearest difference is price: ShredFast at Free against Intermit's $4.99. ShredFast also leads on update cadence (weekly vs every 2 weeks). Intermit's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

ShredFast is free to download; Intermit costs $4.99 up front. ShredFast sells 3 in-app purchases, starting at $29.99 per month. Intermit asks for nothing beyond the download.

Intermit ships an update every 2 weeks, ShredFast weekly. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Intermit | ShredFast |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.7 (89 ratings)](https://appshunter.io/ios/app/shredfast/id6755752514/reviews)** |
| Number of ratings | — | **89** |
| Positive reviews | — | 87.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 199 MB |
| Requires iOS | 18.2 | **17.6** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 12+ | 12+ |
| Developer | [Michal Iwanski](https://appshunter.io/developer/1653140275) | [Shred Fast Global](https://appshunter.io/developer/1856102248) |

## What reviewers say

### Intermit

[App page](https://appshunter.io/ios/app/intermit-intermittent-fasting/id6749206683)

**Features:** macOS Compatibility

**In-app purchases:** none


### ShredFast

[App page](https://appshunter.io/ios/app/shredfast/id6755752514)

Access a growing library of kettlebell and bodyweight HIIT workouts for all levels. Track progress, join a supportive global community, and utilize comprehensive nutrition and mindset plans for lasting wellbeing.

**Highlights:** Kettlebell and bodyweight HIIT workouts, Progress tracking with 'ShredFast hours', Global supportive community, Weekly workouts, Flexible session lengths, Nutrition and mindset plans

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $29.99 | per month |
| 12 Months plan | $179.99 | per year |
| 6 Months plan | $289.99 | per 6 months |


## Frequently asked questions

### Is Intermit free?

Intermit costs $4.99, with no in-app purchases.

### Is ShredFast free?

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

### Do Intermit or ShredFast have ads?

ShredFast shows ads; Intermit does not.

### Which is updated more often, Intermit or ShredFast?

Intermit ships an update every 2 weeks, and ShredFast weekly. Most recently, Intermit was updated on October 5, 2026 and ShredFast on October 20, 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.*