# Answer Book vs 回声谷

The clearest difference is iOS requirement: 回声谷 at 13.0 against Answer Book's 16.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Answer Book | 回声谷 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Paid | — |
| Size | 9 MB | 62 MB |
| Requires iOS | 16.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [江武 李](https://appshunter.io/developer/1782724925) | [新月 杨](https://appshunter.io/developer/1710463779) |

## What reviewers say

### Answer Book

[App page](https://appshunter.io/ios/app/answer-book-wisdom-guide/id6740632823)

This app provides instant, thoughtful answers to your life's questions. It's designed to offer perspective for decisions, help with everyday dilemmas, and guide you toward clarity. Enjoy a simple, intuitive interface for seeking wisdom anytime, anywhere.

**Highlights:** Instant answers to questions, Wise and inspiring responses, Clean, minimal interface, Offline functionality, Guidance for decisions, Intuitive user experience

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

**In-app purchases:** none


### 回声谷

[App page](https://appshunter.io/ios/app/id6758913124)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Answer Book free?

Answer Book is free to download, with no in-app purchases.

### Is 回声谷 free?

回声谷 is free to download, with no in-app purchases.

### Do Answer Book or 回声谷 have ads?

Neither Answer Book nor 回声谷 shows ads.

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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.*