# POLİGON TTYS vs Kırmızı İSG App

The clearest difference is in-app purchases: POLİGON TTYS at none against Kırmızı İSG App's 2. POLİGON TTYS also leads on iOS requirement (13.4 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Kırmızı İSG App sells 2 in-app purchases, starting at $4.99 per month. POLİGON TTYS asks for nothing beyond the download.

## The numbers

| Metric | POLİGON TTYS | Kırmızı İSG App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 13 MB | 40 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Codigno Yazilim](https://appshunter.io/developer/1578852593) | [Armagan Altinkaynak](https://appshunter.io/developer/1546445572) |

## What reviewers say

### POLİGON TTYS

[App page](https://appshunter.io/ios/app/poligon-ttys/id6535679237)

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

**In-app purchases:** none


### Kırmızı İSG App

[App page](https://appshunter.io/ios/app/krmz-isg-app/id6759110075)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Üyelik | $4.99 | per month |
| İlan Yayınlama | $1.99 | one-time |


## Frequently asked questions

### Is POLİGON TTYS free?

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

### Is Kırmızı İSG App free?

Kırmızı İSG App is free to download, with in-app purchases available.

### Do POLİGON TTYS or Kırmızı İSG App have ads?

Neither POLİGON TTYS nor Kırmızı İSG App shows ads.

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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.*