# TenX vs 오답노트AI

The clearest difference is ads: 오답노트AI at none against TenX's shown. 오답노트AI also leads on update cadence (every 2 days vs fortnightly). TenX's advantage is iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TenX sells 2 in-app purchases, starting at $9.99 per month and 오답노트AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

TenX ships an update fortnightly, 오답노트AI every 2 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | TenX | 오답노트AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 13 MB | 33 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Silmaril Technologies Inc.](https://appshunter.io/developer/1852813104) | [2Labs](https://appshunter.io/developer/1089573745) |

## What reviewers say

### TenX

[App page](https://appshunter.io/ios/app/tenx-ai-study-tutor/id6758638233)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $59.99 | per year |


### 오답노트AI

[App page](https://appshunter.io/ios/app/ai-ai/id6787683753)

This app uses AI to automatically create personalized study notes and practice tests from your incorrect answers. Simply photograph your mistakes, and the AI will transcribe them, organize them by subject, and generate similar problems for further practice. It also offers an AI tutor for instant help and tracks your progress with weekly reports.

**Highlights:** AI-generated study notes from photos, Automatic organization by subject and unit, Personalized practice tests with similar problems, AI tutor for instant help with questions, Spaced repetition for review, Weekly progress reports, Printable PDF test creation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 오답노트AI Pro 월간 | $9.99 | per month |
| 오답노트AI Pro 연간 | $79.99 | per year |


## Frequently asked questions

### Is TenX free?

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

### Is 오답노트AI free?

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

### Do TenX or 오답노트AI have ads?

TenX shows ads; 오답노트AI does not.

### Which is updated more often, TenX or 오답노트AI?

TenX ships an update fortnightly, and 오답노트AI every 2 days. Most recently, TenX was updated on November 9, 2026 and 오답노트AI on November 5, 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.*