# SimplyTremolo vs MixSurface

The clearest difference is price: MixSurface at Free against SimplyTremolo's $0.99. MixSurface also leads on update cadence (every 5 days vs every 4 months). SimplyTremolo's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

MixSurface is free to download; SimplyTremolo costs $0.99 up front. MixSurface sells 1 one-off in-app purchase. SimplyTremolo asks for nothing beyond the download.

SimplyTremolo ships an update every 4 months, MixSurface every 5 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SimplyTremolo | MixSurface |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 6 MB | 24 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brad Howes](https://appshunter.io/developer/430573224) | [Soulful Music](https://appshunter.io/developer/1895389356) |

## What reviewers say

### SimplyTremolo

[App page](https://appshunter.io/ios/app/simplytremolo/id1558372201)

**Features:** Vision Pro support

**In-app purchases:** none


### MixSurface

[App page](https://appshunter.io/ios/app/mixsurface/id6763588406)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock REAPER Features | $29.99 | one-time |


## Frequently asked questions

### Is SimplyTremolo free?

SimplyTremolo costs $0.99, with no in-app purchases.

### Is MixSurface free?

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

### Do SimplyTremolo or MixSurface have ads?

Neither SimplyTremolo nor MixSurface shows ads.

### Which is updated more often, SimplyTremolo or MixSurface?

SimplyTremolo ships an update every 4 months, and MixSurface every 5 days. Most recently, SimplyTremolo was updated on October 10, 2026 and MixSurface on October 6, 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.*