# Animal Timer vs Study timer; aquarium friends!

The clearest difference is in-app purchases: Animal Timer at none against Study timer; aquarium friends!'s 1. Animal Timer also leads on iOS requirement (17.0 vs 26.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Study timer; aquarium friends! sells 1 in-app purchase, starting at $1.99 per month. Animal Timer asks for nothing beyond the download.

Animal Timer ships an update fortnightly, Study timer; aquarium friends! every 9 days. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Animal Timer | Study timer; aquarium friends! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 51 MB | 54 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nozomu Kitamura](https://appshunter.io/developer/1806784608) | [kazutoshi Ohashi](https://appshunter.io/developer/1888055445) |

## What reviewers say

### Animal Timer

[App page](https://appshunter.io/ios/app/animal-timer-visual-timer/id6758680139)

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

**In-app purchases:** none


### Study timer; aquarium friends!

[App page](https://appshunter.io/ios/app/study-timer-aquarium-friends/id6792255856)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monitoring Premium | $1.99 | per month |


## Frequently asked questions

### Is Animal Timer free?

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

### Is Study timer; aquarium friends! free?

Study timer; aquarium friends! is free to download, with in-app purchases available.

### Do Animal Timer or Study timer; aquarium friends! have ads?

Neither Animal Timer nor Study timer; aquarium friends! shows ads.

### Which is updated more often, Animal Timer or Study timer; aquarium friends!?

Animal Timer ships an update fortnightly, and Study timer; aquarium friends! every 9 days. Most recently, Animal Timer was updated on September 30, 2026 and Study timer; aquarium friends! on October 8, 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.*