# Convert MP3 to MP4 vs Billo

The clearest difference is in-app purchases: Billo at none against Convert MP3 to MP4's 1. Billo also leads on iOS requirement (13.0 vs 16.0). Convert MP3 to MP4's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Convert MP3 to MP4 sells 1 one-off in-app purchase. Billo asks for nothing beyond the download.

## The numbers

| Metric | Convert MP3 to MP4 | Billo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Size | 16 MB | 26 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) | [Gihan Lakshan](https://appshunter.io/developer/1466350117) |

## What reviewers say

### Convert MP3 to MP4

[App page](https://appshunter.io/ios/app/convert-mp3-to-mp4/id6754396261)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Billo

[App page](https://appshunter.io/ios/app/billo-subscription-tracker/id6762126030)

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

**In-app purchases:** none


## Frequently asked questions

### Is Convert MP3 to MP4 free?

Convert MP3 to MP4 is free to download, with in-app purchases available.

### Is Billo free?

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

### Do Convert MP3 to MP4 or Billo have ads?

Billo shows ads; Convert MP3 to MP4 does not.

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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.*