# Intermittent Fasting vs Rivet

The clearest difference is in-app purchases: Intermittent Fasting at none against Rivet's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Rivet sells 3 in-app purchases, starting at $3.99 per month. Intermittent Fasting asks for nothing beyond the download.

Intermittent Fasting ships an update every 8 days, Rivet every 2 weeks. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Intermittent Fasting | Rivet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/intermittent-fasting-if24/id6738324344/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 5 MB | 192 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [LEONID NIFANTIJEV](https://appshunter.io/developer/1253349827) | [Niclas Anderstrom](https://appshunter.io/developer/6798676038) |

## What reviewers say

### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-if24/id6738324344)

Track your intermittent fasting routine with this intuitive app. It offers features for both beginners and experienced fasters to maintain a successful fasting schedule.

**Highlights:** Intermittent fasting tracker, Beginner-friendly interface, Supports experienced practitioners, Intuitive routine maintenance, Health journey transformation

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

**In-app purchases:** none


### Rivet

[App page](https://appshunter.io/ios/app/rivet-adaptive-strength/id6798676036)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rivet 1 month subscription | $3.99 | per month |
| 30 days trial | Free | one-time |
| Rivet Lifetime Unlock | $14.99 | one-time |


## Frequently asked questions

### Is Intermittent Fasting free?

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

### Is Rivet free?

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

### Do Intermittent Fasting or Rivet have ads?

Neither Intermittent Fasting nor Rivet shows ads.

### Which is updated more often, Intermittent Fasting or Rivet?

Intermittent Fasting ships an update every 8 days, and Rivet every 2 weeks. Most recently, Intermittent Fasting was updated on November 4, 2026 and Rivet on November 6, 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.*