# KeyCodeCheck vs Bathyal

The clearest difference is in-app purchases: KeyCodeCheck at none against Bathyal's 3. Bathyal's advantage is update cadence (every 10 days vs every 2 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Bathyal sells 3 one-off in-app purchases. KeyCodeCheck asks for nothing beyond the download.

KeyCodeCheck ships an update every 2 months, Bathyal every 10 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | KeyCodeCheck | Bathyal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Akimoto](https://appshunter.io/developer/483671514) | [Stephen Zinn](https://appshunter.io/developer/1883747143) |

## What reviewers say

### KeyCodeCheck

[App page](https://appshunter.io/ios/app/keycodecheck/id6471914369)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bathyal

[App page](https://appshunter.io/ios/app/bathyal-spiral-water-clock/id6779757057)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Small | $1.99 | one-time |
| Drop: The Benefactor's Drop | $2.99 | one-time |
| Large: A Current | $9.99 | one-time |


## Frequently asked questions

### Is KeyCodeCheck free?

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

### Is Bathyal free?

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

### Do KeyCodeCheck or Bathyal have ads?

Neither KeyCodeCheck nor Bathyal shows ads.

### Which is updated more often, KeyCodeCheck or Bathyal?

KeyCodeCheck ships an update every 2 months, and Bathyal every 10 days. Most recently, KeyCodeCheck was updated on November 8, 2026 and Bathyal on November 5, 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.*