# MP3 Converter vs ChronoGraph

The clearest difference is in-app purchases: ChronoGraph at none against MP3 Converter's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MP3 Converter sells 3 in-app purchases, starting at $0.99 per month. ChronoGraph asks for nothing beyond the download.

## The numbers

| Metric | MP3 Converter | ChronoGraph |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 1 MB |
| Requires iOS | 17 | 17 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [应芳 卢](https://appshunter.io/developer/1742092879) | [世尧 张](https://appshunter.io/developer/1558995772) |

## What reviewers say

### 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 |


### ChronoGraph

[App page](https://appshunter.io/ios/app/chronograph/id6754444396)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MP3 Converter free?

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

### Is ChronoGraph free?

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

### Do MP3 Converter or ChronoGraph have ads?

Neither MP3 Converter nor ChronoGraph shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*