# 英飞思想家 vs EchoRead

The clearest difference is in-app purchases: 英飞思想家 at none against EchoRead's 8. 英飞思想家 also leads on iOS requirement (13.0 vs 15.6). EchoRead's advantage is update cadence (weekly vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. EchoRead sells 8 in-app purchases, starting at $4.99 per month. 英飞思想家 asks for nothing beyond the download.

英飞思想家 ships an update every 8 months, EchoRead weekly. The most recent releases landed on September 15, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | 英飞思想家 | EchoRead |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/echoread-ai-reading-notes/id6740475635/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 8 MB | 68 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Infi Unlimited Technology Co., Ltd.](https://appshunter.io/developer/1718506389) | [Wei Lai Zhi Tu Tech Inc](https://appshunter.io/developer/1688154558) |

## What reviewers say

### 英飞思想家

[App page](https://appshunter.io/ios/app/id6473156197)

**In-app purchases:** none


### EchoRead

[App page](https://appshunter.io/ios/app/echoread-ai-reading-notes/id6740475635)

This app transforms reading highlights into visual mind maps and uses AI with the Feynman learning method to deepen understanding. It helps organize notes from various sources, connect ideas, and create personalized learning experiences like reading podcasts and summaries.

**Highlights:** Convert highlights to mind maps, AI-powered Q&A and note linking, Automatic idea connections, Feynman learning modes, Generate reading podcasts, Create structured summaries, Card notes with cross-linking

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Membership | $4.99 | per month |
| 1 Month Pro Member | $8.99 | per month |
| 3 Month Membership | $12.99 | per 3 months |
| 3 Month Pro Membership | $25.99 | per 3 months |
| 1 Year Memebership | $49.99 | per year |
| 1 year Pro Member | $89.99 | per year |
| Quota package | $2.99 | one-time |
| 100 Import Quota | $8.99 | one-time |


## Frequently asked questions

### Is 英飞思想家 free?

英飞思想家 is free to download, with no in-app purchases.

### Is EchoRead free?

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

### Do 英飞思想家 or EchoRead have ads?

Neither 英飞思想家 nor EchoRead shows ads.

### Which is updated more often, 英飞思想家 or EchoRead?

英飞思想家 ships an update every 8 months, and EchoRead weekly. Most recently, 英飞思想家 was updated on September 15, 2026 and EchoRead on July 6, 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.*