# Fasting Tracker vs Inner Library

The clearest difference is ads: Inner Library at none against Fasting Tracker's shown. Fasting Tracker's advantage is update cadence (every 3 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Fasting Tracker sells 4 in-app purchases, starting at $6.99 per 7 days and Inner Library sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fasting Tracker ships an update every 3 days, Inner Library every 9 days. The most recent releases landed on October 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Fasting Tracker | Inner Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (428 ratings)](https://appshunter.io/ios/app/fasting-tracker-fastright/id6743002173/reviews)** | — |
| Number of ratings | **428** | — |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 51 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [METKO LABS BILISIM ITHALAT VE IHRACAT TICARET LIMITED SIRKETI](https://appshunter.io/developer/1671640855) | [Peter Pech](https://appshunter.io/developer/6780148186) |

## What reviewers say

### Fasting Tracker

[App page](https://appshunter.io/ios/app/fasting-tracker-fastright/id6743002173)

This app helps you track intermittent fasting with a live timer and preset plans like 16:8. It shows your progress, weight trends, and offers notifications to keep you on track. Unlock advanced insights and features with a premium subscription.

**Highlights:** Live intermittent fasting timer, Preset and custom fasting plans, Fasting zone explanations, Progress tracking and stats, Weight logging and goal setting, Achievements and streaks, Apple Watch integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intermittent Fasting Tracker | $6.99 | per 7 days |
| Intermittent Fasting Tracker | $14.99 | per month |
| Intermittent Fasting Tracker | $29.99 | per year |
| Intermittent Fasting Tracker | $39.99 | per year |


### Inner Library

[App page](https://appshunter.io/ios/app/inner-library/id6780148184)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $7.99 | one-time |


## Frequently asked questions

### Is Fasting Tracker free?

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

### Is Inner Library free?

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

### Do Fasting Tracker or Inner Library have ads?

Fasting Tracker shows ads; Inner Library does not.

### Which is updated more often, Fasting Tracker or Inner Library?

Fasting Tracker ships an update every 3 days, and Inner Library every 9 days. Most recently, Fasting Tracker was updated on October 30, 2026 and Inner Library on October 12, 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.*