# Koirapuisto vs Rizu

The clearest difference is in-app purchases: Koirapuisto at none against Rizu's 9. Koirapuisto also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Rizu sells 9 one-off in-app purchases. Koirapuisto asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Koirapuisto | Rizu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 32 MB | 12 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ville Miekk-oja](https://appshunter.io/developer/1521154986) | [Ake Tistelberg](https://appshunter.io/developer/1597899880) |

## What reviewers say

### Koirapuisto

[App page](https://appshunter.io/ios/app/koirapuisto/id1521154594)

**Features:** Vision Pro support

**In-app purchases:** none


### Rizu

[App page](https://appshunter.io/ios/app/rizu/id6756572985)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Friend of Rizu | $0.99 | one-time |
| Buy 1 Grace | $0.99 | one-time |
| Small Thank You | $0.99 | one-time |
| Buy 3 Grace | $1.99 | one-time |
| Buy 7 Grace | $3.99 | one-time |
| Kind Gesture | $3.99 | one-time |
| Extra Kindness | $8.99 | one-time |
| Generous Thank You | $17.99 | one-time |
| Very Generous Support | $44.99 | one-time |


## Frequently asked questions

### Is Koirapuisto free?

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

### Is Rizu free?

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

### Do Koirapuisto or Rizu have ads?

Neither Koirapuisto nor Rizu shows ads.

### Which is updated more often, Koirapuisto or Rizu?

Koirapuisto ships an update fortnightly, and Rizu fortnightly. Most recently, Koirapuisto was updated on November 3, 2026 and Rizu on October 30, 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.*