# Stool Checker vs SemiSleep

The clearest difference is ads: SemiSleep at none against Stool Checker's shown. SemiSleep also leads on update cadence (daily vs every 6 weeks). Stool Checker's advantage is iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Stool Checker sells 4 one-off in-app purchases and SemiSleep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Stool Checker ships an update every 6 weeks, SemiSleep daily. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Stool Checker | SemiSleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/stool-checker/id542571748/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 82.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 8 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ZAIZEN Co., Ltd.](https://appshunter.io/developer/380406945) | [Takuya Harayama](https://appshunter.io/developer/6772407952) |

## What reviewers say

### Stool Checker

[App page](https://appshunter.io/ios/app/stool-checker/id542571748)

Track your bowel movements and monitor digestive health. Easily log entries, view historical data in a calendar, and add notes about your condition. Features include privacy locking and multi-account support.

**Highlights:** Log bowel movement times, Calendar view of records, Add text memos for condition, Privacy locking, Multi-account system

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ぷーちゃん | $0.99 | one-time |
| ブリリーナ | $0.99 | one-time |
| うんこさん | $0.99 | one-time |
| 広告非表示 | $2.99 | 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 Stool Checker free?

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

### Is SemiSleep free?

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

### Do Stool Checker or SemiSleep have ads?

Stool Checker shows ads; SemiSleep does not.

### Which is updated more often, Stool Checker or SemiSleep?

Stool Checker ships an update every 6 weeks, and SemiSleep daily. Most recently, Stool Checker was updated on October 3, 2026 and SemiSleep on October 6, 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.*