# SynthMaster One vs MP4 to M4A Converter

The clearest difference is in-app purchases: MP4 to M4A Converter at none against SynthMaster One's 10. MP4 to M4A Converter also leads on rating (5.0 vs 4.7). SynthMaster One's advantage is ratings volume (744 vs 1) and iOS requirement (10.0 vs 18.0). On price, ads and device support there is nothing between them.

SynthMaster One costs $0.99 and MP4 to M4A Converter $0.29 up front. SynthMaster One sells 10 one-off in-app purchases. MP4 to M4A Converter asks for nothing beyond the download.

MP4 to M4A Converter holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: SynthMaster One has 744 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | SynthMaster One | MP4 to M4A Converter |
| --- | --- | --- |
| Price | $0.99 | **$0.29** |
| Rating | [4.7 (744 ratings)](https://appshunter.io/ios/app/synthmaster-one/id1254353266/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mp4-to-m4a-converter/id6759508461/reviews)** |
| Number of ratings | **744** | 1 |
| Positive reviews | 63.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 402 MB | 4 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KV331 Audio](https://appshunter.io/developer/944155925) | [AHMAD ALMHASNEH](https://appshunter.io/developer/1860029379) |

## What reviewers say

### SynthMaster One

[App page](https://appshunter.io/ios/app/synthmaster-one/id1254353266)

This powerful wavetable synthesizer app offers an intuitive workflow for creating unique sounds. It features a rich library of wavetables, inspiring presets, and a semi-modular architecture for deep sound design. Easily sync data across devices and integrate with DAWs.

**Highlights:** Wavetable synthesis, Semi-modular architecture, 650 factory presets, AUv3 support, Cross-platform cloud sync, Real-time modulation feedback, 32-step arpeggiator/sequencer

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BigTone Club Construction Set | $4.99 | one-time |
| True Trance Sounds Volume 1 | $4.99 | one-time |
| Vandalism Future House | $4.99 | one-time |
| NatLife Retrowave Sounds Vol.1 | $4.99 | one-time |
| Demis Hellen Euphoric Trance | $4.99 | one-time |
| Venus Theory Trap Sounds | $4.99 | one-time |
| Vandalism Shocking Future Bass | $4.99 | one-time |
| NatLife Progressive&Deep Vol.1 | $4.99 | one-time |
| Desktop Presets Upgrade | $7.99 | one-time |
| SM One Expansions Bundle | $24.99 | one-time |

**What reviewers like**

- 🚀 Powerful synth engine
- 👍 Extensive preset library
- 🎨 Versatile sound design capabilities
- 💡 Free desktop version expansions on iPad
- 🎹 Excellent sound quality and tone

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔋 Battery drain in background
- 🤔 Confusing in-app purchase system
- 👎 UI/UX could use improvement
- 🔇 Audio issues and no sound

**Reported bugs**

- Stuck notes and MIDI issues
- Preset loading crashes
- Restore purchases not working
- Incompatibility with certain DAWs

**Requested features**

- Add custom wavetable support
- Improve MIDI mapping and MPE functionality
- Optimize performance on older devices
- Streamline preset management and browsing


### MP4 to M4A Converter

[App page](https://appshunter.io/ios/app/mp4-to-m4a-converter/id6759508461)

Effortlessly extract high-quality audio from MP4 video files. This application provides a quick and secure way to convert videos into M4A audio, perfect for saving music, podcasts, or lectures with a simple, one-tap process.

**Highlights:** High-quality M4A output, Fast and secure conversion, Simple, user-friendly design, Supports large MP4 files, One-tap conversion

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

**In-app purchases:** none


## Frequently asked questions

### Is SynthMaster One free?

SynthMaster One costs $0.99, and also offers in-app purchases.

### Is MP4 to M4A Converter free?

MP4 to M4A Converter costs $0.29, with no in-app purchases.

### Which has better reviews, SynthMaster One or MP4 to M4A Converter?

MP4 to M4A Converter is rated higher. SynthMaster One averages 4.7 out of 5 from 744 ratings, while MP4 to M4A Converter averages 5.0 from 1 ratings.

### Do SynthMaster One or MP4 to M4A Converter have ads?

Neither SynthMaster One nor MP4 to M4A Converter shows ads.

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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.*