# Phase vs Sleep Cycle Fix

The clearest difference is update cadence: Sleep Cycle Fix at every 2 weeks against Phase's every 5 weeks. Sleep Cycle Fix also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Phase sells 6 in-app purchases, starting at $0.99 per 7 days and Sleep Cycle Fix sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Phase ships an update every 5 weeks, Sleep Cycle Fix every 2 weeks. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Phase | Sleep Cycle Fix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/phase-sleep-schedule-reset/id6759457939/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 32 MB | 45 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Youssef Ismaili](https://appshunter.io/developer/1696488085) | [BotGhost](https://appshunter.io/developer/1868886601) |

## What reviewers say

### Phase

[App page](https://appshunter.io/ios/app/phase-sleep-schedule-reset/id6759457939)

This app guides you through a personalized daily plan to gradually shift your sleep schedule. It provides timed nudges based on your local sunrise and sunset to help you achieve your desired bedtime and wake-up times.

**Highlights:** Personalized day-by-day sleep schedule, Science-backed daily nudges, Multiple sleep programs for different needs, Location-aware sunrise/sunset sync, Offline functionality, HealthKit integration, Home and Lock Screen widgets

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phase Pro | $0.99 | per 7 days |
| Phase Pro | $5.99 | per year |
| Lifetime Phase Pro | $1.99 | one-time |
| Pro | $2.99 | one-time |
| Lifetime Pro | $4.99 | one-time |
| Phase Pro | $9.99 | one-time |


### Sleep Cycle Fix

[App page](https://appshunter.io/ios/app/sleep-cycle-fix-chronoreset/id6760808931)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChronoReset Monthly | $4.99 | per month |
| ChronoReset Yearly | $19.99 | per year |


## Frequently asked questions

### Is Phase free?

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

### Is Sleep Cycle Fix free?

Sleep Cycle Fix is free to download, with in-app purchases available.

### Do Phase or Sleep Cycle Fix have ads?

Neither Phase nor Sleep Cycle Fix shows ads.

### Which is updated more often, Phase or Sleep Cycle Fix?

Phase ships an update every 5 weeks, and Sleep Cycle Fix every 2 weeks. Most recently, Phase was updated on October 16, 2026 and Sleep Cycle Fix on October 18, 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.*