# Sinusoid vs BLEASS Slow Machine

The clearest difference is update cadence: Sinusoid at every 3 months against BLEASS Slow Machine's every 28 months. Sinusoid also leads on rating (4.9 vs 4.7) and price ($4.99 vs $6.99). BLEASS Slow Machine's advantage is review sentiment (82% vs 69%) and chart position (#183 vs unranked). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Sinusoid costs $4.99 and BLEASS Slow Machine $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sinusoid holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 13 and 38 respectively. Written reviews complicate that: 69% of Sinusoid's written reviews are positive against 82% of BLEASS Slow Machine's, so the app with the better star average is not the one people write more warmly about.

Sinusoid ships an update every 3 months, BLEASS Slow Machine every 28 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sinusoid | BLEASS Slow Machine |
| --- | --- | --- |
| Price | **$4.99** | $6.99 |
| Rating | **[4.9 (13 ratings)](https://appshunter.io/ios/app/sinusoid/id416624795/reviews)** | [4.7 (38 ratings)](https://appshunter.io/ios/app/bleass-slow-machine/id1544923864/reviews) |
| Number of ratings | 13 | **38** |
| Positive reviews | 68.8% of reviews | **81.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 28 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#183** |
| Size | 7 MB | 27 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Erik Sigth](https://appshunter.io/developer/385275335) | [BLEASS](https://appshunter.io/developer/1220444177) |

## 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


### BLEASS Slow Machine

[App page](https://appshunter.io/ios/app/bleass-slow-machine/id1544923864)

**Currently charting:** #183 Top Paid · Music (US App Store)

This music effect app offers creative ways to manipulate audio, allowing you to slow down tracks, create tape stop effects, and program speed variations. It provides precise control over rhythm, pitch, and timing for unique sound design.

**Highlights:** Creative slow down effect, Tape stop effect with performance controls, Speed sequencer for programmed variations, Adjustable loop size and speed, Filter for frequency band control, Multiple time stop modes

**In-app purchases:** none


## Frequently asked questions

### Is Sinusoid free?

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

### Is BLEASS Slow Machine free?

BLEASS Slow Machine costs $6.99, with no in-app purchases.

### Which has better reviews, Sinusoid or BLEASS Slow Machine?

Sinusoid is rated higher. Sinusoid averages 4.9 out of 5 from 13 ratings, while BLEASS Slow Machine averages 4.7 from 38 ratings.

### Do Sinusoid or BLEASS Slow Machine have ads?

Neither Sinusoid nor BLEASS Slow Machine shows ads.

### Which is updated more often, Sinusoid or BLEASS Slow Machine?

Sinusoid ships an update every 3 months, and BLEASS Slow Machine every 28 months. Most recently, Sinusoid was updated on October 4, 2026 and BLEASS Slow Machine on October 7, 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.*