# GSDA vs IDEX Istanbul

The clearest difference is update cadence: GSDA at every 2 weeks against IDEX Istanbul's every 2 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.

GSDA ships an update every 2 weeks, IDEX Istanbul every 2 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | GSDA | IDEX Istanbul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 10 MB | 30 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INDEX Conferences & Exhibitions Org. Est.](https://appshunter.io/developer/1173463459) | [DİŞSİAD](https://appshunter.io/developer/1684552679) |

## What reviewers say

### GSDA

[App page](https://appshunter.io/ios/app/gsda/id1493902814)

**Features:** macOS Compatibility

**In-app purchases:** none


### IDEX Istanbul

[App page](https://appshunter.io/ios/app/idex-istanbul/id6448393906)

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

**In-app purchases:** none


## Frequently asked questions

### Is GSDA free?

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

### Is IDEX Istanbul free?

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

### Do GSDA or IDEX Istanbul have ads?

Neither GSDA nor IDEX Istanbul shows ads.

### Which is updated more often, GSDA or IDEX Istanbul?

GSDA ships an update every 2 weeks, and IDEX Istanbul every 2 months. Most recently, GSDA was updated on October 10, 2026 and IDEX Istanbul on October 15, 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.*