# 声音旅程 vs KeyReader

The clearest difference is update cadence: KeyReader at every 3 weeks against 声音旅程's every 2 months. 声音旅程's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 声音旅程 sells 9 in-app purchases, starting at $1.99 per month and KeyReader sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

声音旅程 ships an update every 2 months, KeyReader every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 声音旅程 | KeyReader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 26 MB | 7 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [长江 蔡](https://appshunter.io/developer/376811202) | [Oleg Strigunov](https://appshunter.io/developer/1705947979) |

## What reviewers say

### 声音旅程

[App page](https://appshunter.io/ios/app/id1449682514)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $1.99 | per month |
| 连续包季 | $5.49 | per 3 months |
| 连续包年 | $18.99 | per year |
| 6听币 | $0.99 | one-time |
| 28听币 | $3.99 | one-time |
| 68听币 | $9.99 | one-time |
| 88听币 | $12.99 | one-time |
| 108听币 | $14.99 | one-time |
| 188听币 | $29.99 | one-time |


### KeyReader

[App page](https://appshunter.io/ios/app/keyreader/id6762510058)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Reading | $2.99 | per month |
| Unlimited Reading | $19.99 | per year |
| Unlimited Reading | $49.99 | one-time |


## Frequently asked questions

### Is 声音旅程 free?

声音旅程 is free to download, with in-app purchases available.

### Is KeyReader free?

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

### Do 声音旅程 or KeyReader have ads?

Neither 声音旅程 nor KeyReader shows ads.

### Which is updated more often, 声音旅程 or KeyReader?

声音旅程 ships an update every 2 months, and KeyReader every 3 weeks. Most recently, 声音旅程 was updated on October 2, 2026 and KeyReader on October 7, 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.*