# Koza vs Studyko

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

Both are free to download. Studyko sells 2 in-app purchases, starting at $2.99 per month. Koza asks for nothing beyond the download.

Koza ships an update weekly, Studyko every 2 weeks. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Koza | Studyko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 87 MB | 101 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KOZA LLC](https://appshunter.io/developer/1845715206) | [Ismail hakki Kemikli](https://appshunter.io/developer/1877429109) |

## What reviewers say

### Koza

[App page](https://appshunter.io/ios/app/koza-find-your-study-buddy/id6754465784)

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

**In-app purchases:** none


### Studyko

[App page](https://appshunter.io/ios/app/studyko/id6759209176)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studyko Premium Monthly | $2.99 | per month |
| Studyko Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Koza free?

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

### Is Studyko free?

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

### Do Koza or Studyko have ads?

Studyko shows ads; Koza does not.

### Which is updated more often, Koza or Studyko?

Koza ships an update weekly, and Studyko every 2 weeks. Most recently, Koza was updated on September 14, 2026 and Studyko on September 20, 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.*