# Okul Optik vs ÇalışAkıl

The clearest difference is update cadence: Okul Optik at every 5 days against ÇalışAkıl's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Okul Optik sells 1 in-app purchase, starting at $2.99 per month and ÇalışAkıl sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Okul Optik ships an update every 5 days, ÇalışAkıl every 10 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Okul Optik | ÇalışAkıl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Size | 72 MB | 18 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mahmut Oktay](https://appshunter.io/developer/1889796154) | [ABDULLAH KAAN TUFAN](https://appshunter.io/developer/6786012100) |

## What reviewers say

### Okul Optik

[App page](https://appshunter.io/ios/app/okul-optik/id6761460034)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |


### ÇalışAkıl

[App page](https://appshunter.io/ios/app/calsakl/id6786012098)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Aylık | $0.99 | per month |
| Premium 6 Aylık | $6.99 | per 6 months |
| Premium Yıllık | $9.99 | per year |


## Frequently asked questions

### Is Okul Optik free?

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

### Is ÇalışAkıl free?

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

### Do Okul Optik or ÇalışAkıl have ads?

Neither Okul Optik nor ÇalışAkıl shows ads.

### Which is updated more often, Okul Optik or ÇalışAkıl?

Okul Optik ships an update every 5 days, and ÇalışAkıl every 10 days. Most recently, Okul Optik was updated on October 6, 2026 and ÇalışAkıl on October 24, 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.*