# Sinusoid vs AB Mix Check

The clearest difference is price: AB Mix Check at Free against Sinusoid's $4.99. Sinusoid's advantage is in-app purchases (none vs 1) and device support.

AB Mix Check is free to download; Sinusoid costs $4.99 up front. AB Mix Check sells 1 one-off in-app purchase. Sinusoid asks for nothing beyond the download.

## The numbers

| Metric | Sinusoid | AB Mix Check |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (13 ratings)](https://appshunter.io/ios/app/sinusoid/id416624795/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Paid | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Erik Sigth](https://appshunter.io/developer/385275335) | [Porter Hodgkiss](https://appshunter.io/developer/1883410293) |

## What reviewers say

### Sinusoid

[App page](https://appshunter.io/ios/app/sinusoid/id416624795)

Create music with a retro 8-bit inspired sound machine. Features 4 channels for tones and drums, with extensive sound sculpting options like filters, modulation, and effects. Export your creations and integrate with other music apps.

**Highlights:** 4 sound channels (3 tones, 1 drum/noise), Extensive audio parameters (envelope, vibrato, glide, filter), Ring modulation and FM synthesis, Arpeggiator, delay, and bit crusher effects, MIDI input and output support, Audiobus, IAA, and AUv3 integration, AIFF export and in-app music player

**Features:** Vision Pro support

**In-app purchases:** none


### AB Mix Check

[App page](https://appshunter.io/ios/app/ab-mix-check/id6760240665)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Sinusoid free?

Sinusoid costs $4.99, with no in-app purchases.

### Is AB Mix Check free?

AB Mix Check is free to download, with in-app purchases available.

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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.*