# Bathyal vs Binary Clock

The clearest difference is update cadence: Binary Clock at daily against Bathyal's every 4 days. Bathyal's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bathyal sells 3 one-off in-app purchases and Binary Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bathyal ships an update every 4 days, Binary Clock daily. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Bathyal | Binary Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Size | 4 MB | 7 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Zinn](https://appshunter.io/developer/1883747143) | [Super, Inc.](https://appshunter.io/developer/439129974) |

## What reviewers say

### Bathyal

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

**Features:** macOS Compatibility, 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 |


### Binary Clock

[App page](https://appshunter.io/ios/app/binary-clock-standby/id6786876264)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Binary Clock Pro | $2.99 | one-time |


## Frequently asked questions

### Is Bathyal free?

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

### Is Binary Clock free?

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

### Do Bathyal or Binary Clock have ads?

Neither Bathyal nor Binary Clock shows ads.

### Which is updated more often, Bathyal or Binary Clock?

Bathyal ships an update every 4 days, and Binary Clock daily. Most recently, Bathyal was updated on October 6, 2026 and Binary Clock on October 7, 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.*