# Chronos Interval vs Phase

The clearest difference is rating: Phase at 5.0 against Chronos Interval's 3.0. Chronos Interval's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Phase sells 4 in-app purchases, starting at $9.99 per month. Chronos Interval asks for nothing beyond the download.

Phase holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Chronos Interval | Phase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/chronos-interval/id6759797548/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/phase-fasting-calorie-tracker/id6762522929/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 46 MB | 24 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bo Li](https://appshunter.io/developer/1875535445) | [Ivan Hubar](https://appshunter.io/developer/1886899614) |

## What reviewers say

### Chronos Interval

[App page](https://appshunter.io/ios/app/chronos-interval/id6759797548)

Design custom workout protocols like HIIT, Tabata, or circuits with voice coaching. Sync seamlessly with Garmin devices for automatic data backup. Track your progress and replay past sessions to build consistency.

**Highlights:** Voice-guided workouts, Garmin Connect sync, Built-in workout protocols, Custom interval design, Progress tracking, Cross-device sync

**In-app purchases:** none


### Phase

[App page](https://appshunter.io/ios/app/phase-fasting-calorie-tracker/id6762522929)

This app helps you track intermittent fasting and monitor your nutrition. It features an AI food scanner, calorie and macro tracking, and visual progress indicators for your fasting stages. Easily log meals, set custom fasting schedules, and view your body's estimated responses.

**Highlights:** Intermittent fasting timer, AI food scanner, Calorie and macro tracking, Estimated fasting stages, Custom fasting schedules, Weight and water intake tracking, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited (Monthly) | $9.99 | per month |
| Unlimited (Yearly) Sale | $14.99 | per year |
| Unlimited (3 Months) | $24.99 | per 3 months |
| Unlimited (Yearly) | $34.99 | per year |


## Frequently asked questions

### Is Chronos Interval free?

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

### Is Phase free?

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

### Which has better reviews, Chronos Interval or Phase?

Phase is rated higher. Chronos Interval averages 3.0 out of 5 from 1 ratings, while Phase averages 5.0 from 1 ratings.

### Do Chronos Interval or Phase have ads?

Phase shows ads; Chronos Interval does not.

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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.*