# Fasting Tracker & Plan vs Shifting Source

The clearest difference is in-app purchases: Shifting Source at none against Fasting Tracker & Plan's 2. Shifting Source also leads on update cadence (every 9 days vs every 14 months). Fasting Tracker & Plan's advantage is iOS requirement (15 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Fasting Tracker & Plan sells 2 in-app purchases, starting at $5.99 per 7 days. Shifting Source asks for nothing beyond the download.

Fasting Tracker & Plan ships an update every 14 months, Shifting Source every 9 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Fasting Tracker & Plan | Shifting Source |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 9 days** |
| Size | 53 MB | 9 MB |
| Requires iOS | **15** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ihor Bilohubov](https://appshunter.io/developer/1734601186) | [Hejlsvig Consulting AB](https://appshunter.io/developer/1895103789) |

## What reviewers say

### Fasting Tracker & Plan

[App page](https://appshunter.io/ios/app/fasting-tracker-and-plan-faylo/id6745752898)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $5.99 | per 7 days |
| Annual | $59.99 | per year |


### 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 Fasting Tracker & Plan free?

Fasting Tracker & Plan is free to download, with in-app purchases available.

### Is Shifting Source free?

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

### Do Fasting Tracker & Plan or Shifting Source have ads?

Neither Fasting Tracker & Plan nor Shifting Source shows ads.

### Which is updated more often, Fasting Tracker & Plan or Shifting Source?

Fasting Tracker & Plan ships an update every 14 months, and Shifting Source every 9 days. Most recently, Fasting Tracker & Plan was updated on October 10, 2026 and Shifting Source on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*