# Online Studies vs Teachback AI

The clearest difference is device support: Online Studies at 3 against Teachback AI's 1. Online Studies also leads on iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Online Studies sells 10 one-off in-app purchases 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.

## The numbers

| Metric | Online Studies | Teachback AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 146 MB | 35 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Mahmoud Barazi](https://appshunter.io/developer/1886927977) |

## What reviewers say

### Online Studies

[App page](https://appshunter.io/ios/app/online-studies/id6752560514)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - BD | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |


### 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 Online Studies free?

Online Studies 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 Online Studies or Teachback AI have ads?

Neither Online Studies nor Teachback AI shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*