# MustSleep vs Locking Phone

The clearest difference is update cadence: Locking Phone at every 10 days against MustSleep's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MustSleep sells 2 in-app purchases, starting at $4.99 per month and Locking Phone sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

MustSleep ships an update every 4 months, Locking Phone every 10 days. The most recent releases landed on November 9, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MustSleep | Locking Phone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 5 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [有伟 董](https://appshunter.io/developer/1679483114) | [Wuhan Lixing Zhumeng Network Technology Co., Ltd.](https://appshunter.io/developer/1805037614) |

## What reviewers say

### MustSleep

[App page](https://appshunter.io/ios/app/mustsleep/id6763500660)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $29.99 | per year |


### Locking Phone

[App page](https://appshunter.io/ios/app/locking-phone/id6805400465)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $3.99 | per month |
| Yearly Pro | $19.99 | per year |
| Locking Phone Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is MustSleep free?

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

### Is Locking Phone free?

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

### Do MustSleep or Locking Phone have ads?

Neither MustSleep nor Locking Phone shows ads.

### Which is updated more often, MustSleep or Locking Phone?

MustSleep ships an update every 4 months, and Locking Phone every 10 days. Most recently, MustSleep was updated on November 9, 2026 and Locking Phone on October 30, 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.*