# 英文腦 KTEOC vs Read Sentences

The clearest difference is in-app purchases: 英文腦 KTEOC at none against Read Sentences's 1. 英文腦 KTEOC also leads on iOS requirement (9.0 vs 17.0). Read Sentences's advantage is update cadence (every 3 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Read Sentences sells 1 one-off in-app purchase. 英文腦 KTEOC asks for nothing beyond the download.

英文腦 KTEOC ships an update every 5 months, Read Sentences every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 英文腦 KTEOC | Read Sentences |
| --- | --- | --- |
| 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 | **Every 3 days** |
| Monetization | Free | — |
| Size | 21 MB | 29 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [KNOWLETECH CO.](https://appshunter.io/developer/1030240889) | [俊彦 何](https://appshunter.io/developer/1746727927) |

## 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


### Read Sentences

[App page](https://appshunter.io/ios/app/read-sentences/id6502781924)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


## Frequently asked questions

### Is 英文腦 KTEOC free?

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

### Is Read Sentences free?

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

### Do 英文腦 KTEOC or Read Sentences have ads?

Neither 英文腦 KTEOC nor Read Sentences shows ads.

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

英文腦 KTEOC ships an update every 5 months, and Read Sentences every 3 days. Most recently, 英文腦 KTEOC was updated on October 24, 2026 and Read Sentences 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.*