# Just Fasting vs Shifting Source

The clearest difference is update cadence: Just Fasting at every 2 days against Shifting Source's every 9 days. 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, Shifting Source every 9 days. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Just Fasting | Shifting Source |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Size | 2 MB | 9 MB |
| Requires iOS | 26.4 | **26.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Matthew Clark](https://appshunter.io/developer/1797183728) | [Hejlsvig Consulting AB](https://appshunter.io/developer/1895103789) |

## 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


### Shifting Source

[App page](https://appshunter.io/ios/app/shifting-source/id6789093040)

**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 Shifting Source free?

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

### Do Just Fasting or Shifting Source have ads?

Neither Just Fasting nor Shifting Source shows ads.

### Which is updated more often, Just Fasting or Shifting Source?

Just Fasting ships an update every 2 days, and Shifting Source every 9 days. Most recently, Just Fasting was updated on October 6, 2026 and Shifting Source on September 29, 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.*