# Just Fasting vs Intermittent

The clearest difference is update cadence: Just Fasting at every 2 days against Intermittent's every 8 days. Intermittent's advantage is iOS requirement (13.0 vs 26.4). 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.

Just Fasting ships an update every 2 days, Intermittent every 8 days. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Just Fasting | Intermittent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (32 ratings)](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6767781311/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | — | Free |
| Size | 2 MB | 39 MB |
| Requires iOS | 26.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Matthew Clark](https://appshunter.io/developer/1797183728) | [Rohit Kumar](https://appshunter.io/developer/1896508140) |

## What reviewers say

### Just Fasting

[App page](https://appshunter.io/ios/app/just-fasting/id6761426623)

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

**In-app purchases:** none


### Intermittent

[App page](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6767781311)

This app tracks your fasting progress by showing real-time biological phases like ketosis and autophagy. It provides science-backed explanations for each stage and supports various fasting protocols without requiring an account or subscription.

**Highlights:** Real-time biological phase tracking (Fed, Lipolysis, Ketosis, Autophagy), Support for multiple fasting protocols (12:12 to 72-hour fasts), Free science library with cited primary sources, Adaptive hydration target, Weight and progress tracking with trend analysis, Private sharing circle with applause-only responses, Home screen widget and cross-device sync

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

**In-app purchases:** none


## Frequently asked questions

### Is Just Fasting free?

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

### Is Intermittent free?

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

### Do Just Fasting or Intermittent have ads?

Neither Just Fasting nor Intermittent shows ads.

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

Just Fasting ships an update every 2 days, and Intermittent every 8 days. Most recently, Just Fasting was updated on September 18, 2026 and Intermittent on September 22, 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.*