# GO Mobil Kütüphane vs Diji Optik Pro

The clearest difference is update cadence: Diji Optik Pro at every 8 months against GO Mobil Kütüphane's every 26 months. 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.

GO Mobil Kütüphane ships an update every 26 months, Diji Optik Pro every 8 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GO Mobil Kütüphane | Diji Optik Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 8 months** |
| Size | 87 MB | 62 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FERNUS BILISIM HIZMETLERI EGI.DAN. ve TIC.LTD.STI.](https://appshunter.io/developer/927900317) | [Unlu Yayinlar](https://appshunter.io/developer/1689531560) |

## What reviewers say

### GO Mobil Kütüphane

[App page](https://appshunter.io/ios/app/go-mobil-kutuphane/id1568075066)

**Features:** macOS Compatibility

**In-app purchases:** none


### Diji Optik Pro

[App page](https://appshunter.io/ios/app/diji-optik-pro/id1663195939)

**In-app purchases:** none


## Frequently asked questions

### Is GO Mobil Kütüphane free?

GO Mobil Kütüphane is free to download, with no in-app purchases.

### Is Diji Optik Pro free?

Diji Optik Pro is free to download, with no in-app purchases.

### Do GO Mobil Kütüphane or Diji Optik Pro have ads?

Neither GO Mobil Kütüphane nor Diji Optik Pro shows ads.

### Which is updated more often, GO Mobil Kütüphane or Diji Optik Pro?

GO Mobil Kütüphane ships an update every 26 months, and Diji Optik Pro every 8 months. Most recently, GO Mobil Kütüphane was updated on October 20, 2026 and Diji Optik Pro on October 16, 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.*