# QuestionOasis vs TusAI

The clearest difference is update cadence: TusAI at weekly against QuestionOasis's monthly. QuestionOasis's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QuestionOasis sells 1 in-app purchase, starting at $4.99 per month and TusAI sells 6 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

QuestionOasis ships an update monthly, TusAI weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | QuestionOasis | TusAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 34 MB | 17 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deniz Barıs CAKIROGLU](https://appshunter.io/developer/1767156681) | [Berkin Sili](https://appshunter.io/developer/1721733234) |

## What reviewers say

### QuestionOasis

[App page](https://appshunter.io/ios/app/questionoasispractice-with-ai/id6670706155)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QuestionOasis Premium | $4.99 | per month |


### TusAI

[App page](https://appshunter.io/ios/app/tusai/id6778718552)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold — Monthly | $12.99 | per month |
| Premium — Monthly | $19.99 | per month |
| Gold — 3 Months | $34.99 | per 3 months |
| Premium — 3 Months | $49.99 | per 3 months |
| Gold — 6 Months | $69.99 | per 6 months |
| Premium — 6 Months | $99.99 | per 6 months |


## Frequently asked questions

### Is QuestionOasis free?

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

### Is TusAI free?

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

### Do QuestionOasis or TusAI have ads?

Neither QuestionOasis nor TusAI shows ads.

### Which is updated more often, QuestionOasis or TusAI?

QuestionOasis ships an update monthly, and TusAI weekly. Most recently, QuestionOasis was updated on October 30, 2026 and TusAI on October 25, 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.*