# tchr vs 8O8

The clearest difference is update cadence: 8O8 at weekly against tchr's every 4 months. tchr's advantage is iOS requirement (12.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. tchr sells 5 one-off in-app purchases and 8O8 sells 1 in-app purchase, starting at $39.99 per month. Whichever you choose, the download price is not the number that matters.

tchr ships an update every 4 months, 8O8 weekly. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | tchr | 8O8 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 228 MB | 50 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cadcon Education Private Limited](https://appshunter.io/developer/1716251167) | [Shaale Pvt. Ltd.](https://appshunter.io/developer/1447740697) |

## What reviewers say

### tchr

[App page](https://appshunter.io/ios/app/tchr/id6471922386)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| course 1 | $39.99 | one-time |
| course 2 | $39.99 | one-time |
| course 5 | $39.99 | one-time |
| course 4 | $39.99 | one-time |
| course 3 | $39.99 | one-time |


### 8O8

[App page](https://appshunter.io/ios/app/8o8/id6717599575)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $39.99 | per month |


## Frequently asked questions

### Is tchr free?

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

### Is 8O8 free?

8O8 is free to download, with in-app purchases available.

### Do tchr or 8O8 have ads?

Neither tchr nor 8O8 shows ads.

### Which is updated more often, tchr or 8O8?

tchr ships an update every 4 months, and 8O8 weekly. Most recently, tchr was updated on September 17, 2026 and 8O8 on September 21, 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.*