# 英文腦 KTEOC vs Tutor247

The clearest difference is in-app purchases: 英文腦 KTEOC at none against Tutor247's 10. 英文腦 KTEOC also leads on iOS requirement (9.0 vs 14.0). Tutor247's advantage is update cadence (daily vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Tutor247 sells 10 in-app purchases, starting at $4.99 per month. 英文腦 KTEOC asks for nothing beyond the download.

英文腦 KTEOC ships an update every 5 months, Tutor247 daily. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 英文腦 KTEOC | Tutor247 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kteoc/id1030240890/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Free | — |
| Size | 21 MB | 26 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KNOWLETECH CO.](https://appshunter.io/developer/1030240889) | [YUANDIAN INFORMATION TECHNOLOGY LTD.](https://appshunter.io/developer/1813338116) |

## What reviewers say

### 英文腦 KTEOC

[App page](https://appshunter.io/ios/app/kteoc/id1030240890)

Transform any English text into an interactive audiobook with detailed analysis and pronunciation feedback. Practice speaking through open-ended conversations with AI and receive instant corrections for grammar and pronunciation. Improve your writing with real-time sentence correction and vocabulary usage checks.

**Highlights:** Convert text to audiobooks, Real-time pronunciation scoring, AI-powered conversational practice, Instant grammar and usage correction, Sentence and vocabulary analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Tutor247

[App page](https://appshunter.io/ios/app/tutor247-ai/id6746431757)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 基礎版月繳 | $4.99 | per month |
| 專業版月繳 | $9.99 | per month |
| 基礎版月繳 | $11.99 | per month |
| 神手版月繳 | $14.99 | per month |
| 專業版月繳 | $19.99 | per month |
| 神手版月繳 | $29.99 | per month |
| 專業版年繳 | $79.99 | per year |
| 神手版年繳 | $99.99 | per year |
| 專業版年繳 | $149.99 | per year |
| 神手版年繳 | $299.99 | per year |


## Frequently asked questions

### Is 英文腦 KTEOC free?

英文腦 KTEOC is free to download, with no in-app purchases.

### Is Tutor247 free?

Tutor247 is free to download, with in-app purchases available.

### Do 英文腦 KTEOC or Tutor247 have ads?

Neither 英文腦 KTEOC nor Tutor247 shows ads.

### Which is updated more often, 英文腦 KTEOC or Tutor247?

英文腦 KTEOC ships an update every 5 months, and Tutor247 daily. Most recently, 英文腦 KTEOC was updated on October 24, 2026 and Tutor247 on October 28, 2026.

---

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