# MP3 Converter vs BubbleOK

The clearest difference is update cadence: BubbleOK at every 4 days against MP3 Converter's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MP3 Converter sells 2 in-app purchases, starting at $3.99 per 7 days and BubbleOK sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

MP3 Converter ships an update every 3 weeks, BubbleOK every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | MP3 Converter | BubbleOK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mp3-converter-audio-extractor/id6758260186/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 161 MB | 10 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [成威 占](https://appshunter.io/developer/1845752286) | [Luanping Chaoxi Network Technology Co., Ltd.](https://appshunter.io/developer/6809459215) |

## What reviewers say

### MP3 Converter

[App page](https://appshunter.io/ios/app/mp3-converter-audio-extractor/id6758260186)

Easily extract audio from videos, convert formats, and edit audio files. Offers trimming, merging, speed adjustment, and noise reduction for content creators, students, and professionals.

**Highlights:** Video to Audio Extraction, Audio Format Conversion, Audio Trimming and Merging, Audio Enhancement (Volume, EQ, Speed, Pitch), Noise Reduction, Flexible Import Options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $3.99 | per 7 days |
| Yearly Pro | $24.99 | per year |


### BubbleOK

[App page](https://appshunter.io/ios/app/bubbleok/id6809458883)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Minutes | $0.99 | one-time |
| 300 Minutes | $2.99 | one-time |
| 800 Minutes | $5.99 | one-time |


## Frequently asked questions

### Is MP3 Converter free?

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

### Is BubbleOK free?

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

### Do MP3 Converter or BubbleOK have ads?

Neither MP3 Converter nor BubbleOK shows ads.

### Which is updated more often, MP3 Converter or BubbleOK?

MP3 Converter ships an update every 3 weeks, and BubbleOK every 4 days. Most recently, MP3 Converter was updated on October 31, 2026 and BubbleOK on October 31, 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.*