# JetDers vs TeacHAIR

The clearest difference is in-app purchases: TeacHAIR at none against JetDers's 1. TeacHAIR also leads on update cadence (every 6 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. JetDers sells 1 in-app purchase, starting at $2.99 per month. TeacHAIR asks for nothing beyond the download.

JetDers ships an update every 4 months, TeacHAIR every 6 weeks. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | JetDers | TeacHAIR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 135 MB | 85 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TT Mobil Iletisim Hizmetleri A.S.](https://appshunter.io/developer/439626197) | [SINAN ERGUN](https://appshunter.io/developer/1887323593) |

## What reviewers say

### JetDers

[App page](https://appshunter.io/ios/app/jetders/id6670491884)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JetDers | $2.99 | per month |


### TeacHAIR

[App page](https://appshunter.io/ios/app/teachair/id6761393071)

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

**In-app purchases:** none


## Frequently asked questions

### Is JetDers free?

JetDers is free to download, with in-app purchases available.

### Is TeacHAIR free?

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

### Do JetDers or TeacHAIR have ads?

Neither JetDers nor TeacHAIR shows ads.

### Which is updated more often, JetDers or TeacHAIR?

JetDers ships an update every 4 months, and TeacHAIR every 6 weeks. Most recently, JetDers was updated on November 4, 2026 and TeacHAIR on October 28, 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.*