# 时间印记 vs MP3 Converter

The clearest difference is iOS requirement: 时间印记 at 15.0 against MP3 Converter's 17. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 时间印记 sells 3 in-app purchases, starting at $1.99 per month and MP3 Converter sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

时间印记 ships an update every 8 days, MP3 Converter weekly. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 时间印记 | MP3 Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mp3-converter-ringtone-maker-plus/id6752532441/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 74 MB | 47 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [孔目湖(北京)科技有限公司](https://appshunter.io/developer/1716853334) | [应芳 卢](https://appshunter.io/developer/1742092879) |

## What reviewers say

### 时间印记

[App page](https://appshunter.io/ios/app/id6473602967)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $1.99 | per month |
| 按年订阅 | $4.99 | per year |
| 永久使用 | $12.99 | one-time |


### MP3 Converter

[App page](https://appshunter.io/ios/app/mp3-converter-ringtone-maker-plus/id6752532441)

This app is a comprehensive audio editing tool that allows for easy conversion between various audio formats, extraction of audio from videos, and precise trimming of music for ringtones. It offers batch processing and speed adjustment for efficient audio manipulation.

**Highlights:** Convert between 18 audio formats, Extract audio from videos, Millisecond-accurate audio trimming, Batch audio processing, Adjust export playback speed, Import from multiple sources

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $2.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is 时间印记 free?

时间印记 is free to download, with in-app purchases available.

### Is MP3 Converter free?

MP3 Converter is free to download, with in-app purchases available.

### Do 时间印记 or MP3 Converter have ads?

Neither 时间印记 nor MP3 Converter shows ads.

### Which is updated more often, 时间印记 or MP3 Converter?

时间印记 ships an update every 8 days, and MP3 Converter weekly. Most recently, 时间印记 was updated on October 1, 2026 and MP3 Converter on October 12, 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.*