# İSOV vs TEV

The clearest difference is update cadence: TEV at every 2 weeks against İSOV's every 4 months. İSOV's advantage is iOS requirement (12.1 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

İSOV ships an update every 4 months, TEV every 2 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | İSOV | TEV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 21 MB | 8 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [istanbul sanayi odasi vakfi](https://appshunter.io/developer/1600069528) | [TÜRK EĞİTİM VAKFI](https://appshunter.io/developer/1463925239) |

## What reviewers say

### İSOV

[App page](https://appshunter.io/ios/app/isov/id1600069526)

**Features:** macOS Compatibility

**In-app purchases:** none


### TEV

[App page](https://appshunter.io/ios/app/tev-turk-egitim-vakf/id6502349310)

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

**In-app purchases:** none


## Frequently asked questions

### Is İSOV free?

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

### Is TEV free?

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

### Do İSOV or TEV have ads?

Neither İSOV nor TEV shows ads.

### Which is updated more often, İSOV or TEV?

İSOV ships an update every 4 months, and TEV every 2 weeks. Most recently, İSOV was updated on October 13, 2026 and TEV 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.*