# EchoRead vs 小狗万能计算器

The clearest difference is in-app purchases: 小狗万能计算器 at none against EchoRead's 8. 小狗万能计算器 also leads on iOS requirement (13.0 vs 15.6). EchoRead's advantage is device support. On price there is nothing between them.

Both are free to download. EchoRead sells 8 in-app purchases, starting at $4.99 per month. 小狗万能计算器 asks for nothing beyond the download.

## The numbers

| Metric | EchoRead | 小狗万能计算器 |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | — |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 68 MB | 2 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 4+ |
| Developer | [Wei Lai Zhi Tu Tech Inc](https://appshunter.io/developer/1688154558) | [硕 潘](https://appshunter.io/developer/1874158579) |

## What reviewers say

### 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 |


### 小狗万能计算器

[App page](https://appshunter.io/ios/app/id6760222066)

**In-app purchases:** none


## Frequently asked questions

### Is EchoRead free?

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

### Is 小狗万能计算器 free?

小狗万能计算器 is free to download, with no in-app purchases.

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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.*