# Vokai vs Teachback AI

The clearest difference is update cadence: Vokai at every 9 days against Teachback AI's every 4 months. Vokai also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Vokai sells 2 in-app purchases, starting at $3.99 per month and Teachback AI sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Vokai ships an update every 9 days, Teachback AI every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Vokai | Teachback AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Size | 99 MB | 35 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luu Dong](https://appshunter.io/developer/1500832999) | [Mahmoud Barazi](https://appshunter.io/developer/1886927977) |

## What reviewers say

### Vokai

[App page](https://appshunter.io/ios/app/vokai-ai-language-learning/id6747542157)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $3.99 | per month |
| Premium | $7.99 | per month |


### Teachback AI

[App page](https://appshunter.io/ios/app/teachback-ai/id6760937065)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Teachback AI Pro | $7.99 | per 7 days |
| Teachback AI Pro | $9.99 | per month |
| Teachback AI Pro | $59.99 | per year |


## Frequently asked questions

### Is Vokai free?

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

### Is Teachback AI free?

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

### Do Vokai or Teachback AI have ads?

Neither Vokai nor Teachback AI shows ads.

### Which is updated more often, Vokai or Teachback AI?

Vokai ships an update every 9 days, and Teachback AI every 4 months. Most recently, Vokai was updated on October 30, 2026 and Teachback AI on October 31, 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.*