# Phase vs ShockUp

The clearest difference is in-app purchases: ShockUp at none against Phase's 6. ShockUp also leads on update cadence (every 3 days vs every 5 weeks) and iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Phase sells 6 in-app purchases, starting at $0.99 per 7 days. ShockUp asks for nothing beyond the download.

ShockUp holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Phase ships an update every 5 weeks, ShockUp every 3 days. The most recent releases landed on October 31, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Phase | ShockUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/phase-sleep-schedule-reset/id6759457939/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/shockup/id6778571261/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 32 MB | 51 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Youssef Ismaili](https://appshunter.io/developer/1696488085) | [Zaid Syed](https://appshunter.io/developer/6778571263) |

## 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 |


### ShockUp

[App page](https://appshunter.io/ios/app/shockup/id6778571261)

This smart wrist alarm ensures you wake up by vibrating on your wrist and sounding your phone. It detects if you fall back asleep after dismissing the alarm and re-triggers it until you are truly awake. Ideal for heavy sleepers and students.

**Highlights:** Wrist vibration alarm, Phone alarm integration, Sleep detection, Re-triggering alarm, Customizable wake-up

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

**In-app purchases:** none


## Frequently asked questions

### Is Phase free?

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

### Is ShockUp free?

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

### Which has better reviews, Phase or ShockUp?

ShockUp is rated higher. Phase averages 4.8 out of 5 from 6 ratings, while ShockUp averages 5.0 from 6 ratings.

### Do Phase or ShockUp have ads?

Neither Phase nor ShockUp shows ads.

### Which is updated more often, Phase or ShockUp?

Phase ships an update every 5 weeks, and ShockUp every 3 days. Most recently, Phase was updated on October 31, 2026 and ShockUp on November 13, 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.*