# ChronoFast AI vs FastTrackr

The clearest difference is in-app purchases: FastTrackr at none against ChronoFast AI's 2. FastTrackr also leads on ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. ChronoFast AI sells 2 in-app purchases, starting at $4.99 per month. FastTrackr asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ChronoFast AI against 5.0 for FastTrackr. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ChronoFast AI ships an update every 2 weeks, FastTrackr fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | ChronoFast AI | FastTrackr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/chronofast-ai/id6759078045/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/fasttrackr-fasting-tracker/id6760088716/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 121 MB | 84 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Soundarya Srinivas](https://appshunter.io/developer/1896661055) | [NEW VERSION LIMITED](https://appshunter.io/developer/1809498455) |

## What reviewers say

### ChronoFast AI

[App page](https://appshunter.io/ios/app/chronofast-ai/id6759078045)

This app acts as an AI coach for intermittent fasting, helping users understand if their food intake breaks their fast. It provides detailed metabolic insights, tracks progress, and offers social features for fasting with friends.

**Highlights:** AI-powered 'Did I Break My Fast?' analysis, Live Activity and Dynamic Island integration, Detailed metabolic stage tracking, Apple Health integration for activity and sleep, AI meal scan and barcode scanning, Social fasting features and leaderboards

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChronoFast-AI-Monthly-Yearly | $4.99 | per month |
| ChronoFast-AI-Monthly-Yearly | $39.99 | per year |


### FastTrackr

[App page](https://appshunter.io/ios/app/fasttrackr-fasting-tracker/id6760088716)

This app helps users track intermittent fasting with personalized plans and an AI assistant. It offers features for logging meals, water, and weight, along with insights into ketosis and autophagy zones. Users can also access recipes and meal planning tools.

**Highlights:** Intermittent fasting timer with ketosis zones, AI assistant for personalized guidance, Meal logging with AI calorie estimation, Water and weight tracking, Recipe library and meal planning, Progress charts and streaks

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

**In-app purchases:** none


## Frequently asked questions

### Is ChronoFast AI free?

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

### Is FastTrackr free?

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

### Which has better reviews, ChronoFast AI or FastTrackr?

ChronoFast AI and FastTrackr are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ChronoFast AI or FastTrackr have ads?

ChronoFast AI shows ads; FastTrackr does not.

### Which is updated more often, ChronoFast AI or FastTrackr?

ChronoFast AI ships an update every 2 weeks, and FastTrackr fortnightly. Most recently, ChronoFast AI was updated on October 31, 2026 and FastTrackr on October 31, 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.*