# 答案之书 vs 快听FM

The clearest difference is review sentiment: 快听FM at 67% against 答案之书's 17%. 快听FM also leads on ads (none vs shown) and update cadence (every 2 months vs every 12 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 答案之书 sells 1 one-off in-app purchase and 快听FM sells 10 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

答案之书 ships an update every 12 months, 快听FM every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 答案之书 | 快听FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/fm/id1560947307/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 16.7% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 28 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [唯墨科技](https://appshunter.io/developer/1240699340) | [Hangzhou Mengjun Network Technology Co., Ltd.](https://appshunter.io/developer/1222292969) |

## What reviewers say

### 答案之书

[App page](https://appshunter.io/ios/app/id1475703134)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁无限问题 | $0.99 | one-time |


### 快听FM

[App page](https://appshunter.io/ios/app/fm/id1560947307)

Dive into a vast collection of BL audio dramas and novels specifically curated for female listeners. Explore various genres and enjoy immersive storytelling with captivating voiceovers. Perfect for fans of romance, fantasy, and fanfiction.

**Highlights:** Extensive BL audio drama library, BL novel adaptations, Diverse genres (ancient, modern, fantasy, etc.), Immersive storytelling, Sleep aid sounds (rain, forest), Community for BL fans

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月会员 | $2.49 | per month |
| 三个月会员 | $7.49 | per 3 months |
| 一年会员 | $29.49 | per year |
| 一个月会员 | $3.99 | one-time |
| 50元礼包 | $6.99 | one-time |
| 三个月会员 | $10.99 | one-time |
| 98元礼包 | $14.99 | one-time |
| 198元礼包 | $29.99 | one-time |
| 298元礼包 | $39.99 | one-time |
| 一年会员 | $45.99 | one-time |


## Frequently asked questions

### Is 答案之书 free?

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

### Is 快听FM free?

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

### Do 答案之书 or 快听FM have ads?

答案之书 shows ads; 快听FM does not.

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

答案之书 ships an update every 12 months, and 快听FM every 2 months. Most recently, 答案之书 was updated on October 24, 2026 and 快听FM on October 14, 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.*