# TinyTail vs Koiru

The clearest difference is ads: Koiru at none against TinyTail's shown. Koiru also leads on update cadence (weekly vs every 2 months) and iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TinyTail sells 2 in-app purchases, starting at $9.99 per month and Koiru sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

TinyTail ships an update every 2 months, Koiru weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TinyTail | Koiru |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 80 MB | 50 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yupeng Wei](https://appshunter.io/developer/1532746165) | [Tohmoco Oy](https://appshunter.io/developer/1863505074) |

## What reviewers say

### TinyTail

[App page](https://appshunter.io/ios/app/tinytail/id6757146049)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TinyTail Premium Monthly | $9.99 | per month |
| TinyTail Premium Annual Plan | $89.99 | per year |


### Koiru

[App page](https://appshunter.io/ios/app/koiru-dog-care-and-diary/id6766619155)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Koiru Monthly | $5.99 | per month |
| Koiru Annual | $44.99 | per year |


## Frequently asked questions

### Is TinyTail free?

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

### Is Koiru free?

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

### Do TinyTail or Koiru have ads?

TinyTail shows ads; Koiru does not.

### Which is updated more often, TinyTail or Koiru?

TinyTail ships an update every 2 months, and Koiru weekly. Most recently, TinyTail was updated on October 24, 2026 and Koiru on October 28, 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.*