# Sleep Pact vs SemiSleep

The clearest difference is update cadence: SemiSleep at daily against Sleep Pact's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sleep Pact sells 5 in-app purchases, starting at $1.99 per month and SemiSleep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sleep Pact ships an update monthly, SemiSleep daily. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Sleep Pact | SemiSleep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 19 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [俊辰 黎](https://appshunter.io/developer/1813083979) | [Takuya Harayama](https://appshunter.io/developer/6772407952) |

## What reviewers say

### Sleep Pact

[App page](https://appshunter.io/ios/app/sleep-pact/id6752843093)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $1.99 | per month |
| Annual Membership | $9.99 | per year |
| Health Energy +10,000 | $0.99 | one-time |
| Health Energy +100,000 | $3.99 | one-time |
| Lifetime Membership | $12.99 | one-time |


### SemiSleep

[App page](https://appshunter.io/ios/app/semisleep/id6779069970)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SemiSleep Plus | $3.99 | one-time |


## Frequently asked questions

### Is Sleep Pact free?

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

### Is SemiSleep free?

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

### Do Sleep Pact or SemiSleep have ads?

Neither Sleep Pact nor SemiSleep shows ads.

### Which is updated more often, Sleep Pact or SemiSleep?

Sleep Pact ships an update monthly, and SemiSleep daily. Most recently, Sleep Pact was updated on September 9, 2026 and SemiSleep on September 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.*