# 极速音频转换器 vs 改字P图

极速音频转换器 and 改字P图 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 极速音频转换器 sells 4 in-app purchases, starting at $3.99 per month and 改字P图 sells 5 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

极速音频转换器 ships an update every 9 days, 改字P图 every 5 days. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 极速音频转换器 | 改字P图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 104 MB | 49 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [青青 吴](https://appshunter.io/developer/1594811700) | [Nanjing Dark Matter Tech Co., Ltd.](https://appshunter.io/developer/1885416455) |

## What reviewers say

### 极速音频转换器

[App page](https://appshunter.io/ios/app/mp3/id6785784978)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Weekly VIP | $3.99 | per 7 days |
| 年度会员 | $4.99 | per year |
| Permanent VIP | $7.99 | one-time |


### 改字P图

[App page](https://appshunter.io/ios/app/p-and/id6793362352)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Points. | $2.99 | one-time |
| Points. | $5.99 | one-time |
| Points. | $9.99 | one-time |
| Points. | $29.99 | one-time |


## Frequently asked questions

### Is 极速音频转换器 free?

极速音频转换器 is free to download, with in-app purchases available.

### Is 改字P图 free?

改字P图 is free to download, with in-app purchases available.

### Do 极速音频转换器 or 改字P图 have ads?

Neither 极速音频转换器 nor 改字P图 shows ads.

### Which is updated more often, 极速音频转换器 or 改字P图?

极速音频转换器 ships an update every 9 days, and 改字P图 every 5 days. Most recently, 极速音频转换器 was updated on September 21, 2026 and 改字P图 on September 15, 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.*