# ChronoFast AI vs Fastiya

The clearest difference is ads: Fastiya at none against ChronoFast AI's 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 and Fastiya sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ChronoFast AI against 5.0 for Fastiya. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ChronoFast AI ships an update every 2 weeks, Fastiya fortnightly. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChronoFast AI | Fastiya |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/chronofast-ai/id6759078045/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/fastiya-fasting-timer-plus-macro/id6761690653/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 121 MB | 60 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Soundarya Srinivas](https://appshunter.io/developer/1896661055) | [Oromo Oromia](https://appshunter.io/developer/778303099) |

## 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 |


### Fastiya

[App page](https://appshunter.io/ios/app/fastiya-fasting-timer-plus-macro/id6761690653)

Track your body's metabolic changes hour by hour during fasting. An AI coach provides personalized insights based on your data, helping you build consistent habits and monitor key health metrics.

**Highlights:** Hour-by-hour body change tracking, AI fasting coach, Multiple fasting protocols, Advanced health metric tracking, Wearable device synchronization, Habit building tools, Daily journaling and insights

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $9.99 | per month |
| Annual Premium | $79.99 | per year |


## Frequently asked questions

### Is ChronoFast AI free?

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

### Is Fastiya free?

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

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

ChronoFast AI and Fastiya are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do ChronoFast AI or Fastiya have ads?

ChronoFast AI shows ads; Fastiya does not.

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

ChronoFast AI ships an update every 2 weeks, and Fastiya fortnightly. Most recently, ChronoFast AI was updated on October 31, 2026 and Fastiya on October 24, 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.*