# ShapeX by Informa vs SIGN Istanbul

The clearest difference is iOS requirement: ShapeX by Informa at 15.5 against SIGN Istanbul's 17.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ShapeX by Informa ships an update every 11 days, SIGN Istanbul weekly. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ShapeX by Informa | SIGN Istanbul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Size | 64 MB | 146 MB |
| Requires iOS | **15.5** | 17.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Informa PLC](https://appshunter.io/developer/1493890777) | [Informa Markets](https://appshunter.io/developer/1464716030) |

## What reviewers say

### ShapeX by Informa

[App page](https://appshunter.io/ios/app/shapex-by-informa/id6747349153)

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

**In-app purchases:** none


### SIGN Istanbul

[App page](https://appshunter.io/ios/app/sign-istanbul/id6751111288)

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

**In-app purchases:** none


## Frequently asked questions

### Is ShapeX by Informa free?

ShapeX by Informa is free to download, with no in-app purchases.

### Is SIGN Istanbul free?

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

### Do ShapeX by Informa or SIGN Istanbul have ads?

Neither ShapeX by Informa nor SIGN Istanbul shows ads.

### Which is updated more often, ShapeX by Informa or SIGN Istanbul?

ShapeX by Informa ships an update every 11 days, and SIGN Istanbul weekly. Most recently, ShapeX by Informa was updated on September 21, 2026 and SIGN Istanbul on September 17, 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.*