# 答案之书 vs NasScale

The clearest difference is in-app purchases: NasScale at none against 答案之书's 1. NasScale also leads on ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 答案之书 sells 1 one-off in-app purchase. NasScale asks for nothing beyond the download.

答案之书 ships an update every 3 weeks, NasScale every 8 days. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 答案之书 | NasScale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/id6463595417/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 68 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [振山 董](https://appshunter.io/developer/1226504908) | [贺 黄](https://appshunter.io/developer/6796553051) |

## What reviewers say

### 答案之书

[App page](https://appshunter.io/ios/app/id6463595417)

This app helps you overcome indecision and find answers to life's questions. Simply ask a question, focus your thoughts, and receive guidance. You can also save your answers with custom templates.

**Highlights:** Ask life questions, Receive guidance, Save answers as pictures, Over 20 special templates, Overcome indecision

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

**In-app purchases (1)**

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


### NasScale

[App page](https://appshunter.io/ios/app/nasscale/id6796591787)

**In-app purchases:** none


## Frequently asked questions

### Is 答案之书 free?

答案之书 is free to download, with in-app purchases available.

### Is NasScale free?

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

### Do 答案之书 or NasScale have ads?

答案之书 shows ads; NasScale does not.

### Which is updated more often, 答案之书 or NasScale?

答案之书 ships an update every 3 weeks, and NasScale every 8 days. Most recently, 答案之书 was updated on October 17, 2026 and NasScale on October 10, 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.*