# PET Bottling vs Sinusoid

The clearest difference is update cadence: Sinusoid at every 3 months against PET Bottling's every 7 months. Sinusoid also leads on iOS requirement (9.0 vs 18.1). PET Bottling's advantage is price ($2.99 vs $4.99). On ads, in-app purchases and device support there is nothing between them.

PET Bottling costs $2.99 and Sinusoid $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PET Bottling ships an update every 7 months, Sinusoid every 3 months. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | PET Bottling | Sinusoid |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 73 MB | 7 MB |
| Requires iOS | 18.1 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hidenori Matsuoka](https://appshunter.io/developer/369248022) | [Erik Sigth](https://appshunter.io/developer/385275335) |

## What reviewers say

### PET Bottling

[App page](https://appshunter.io/ios/app/pet-bottling/id394613675)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PET Bottling free?

PET Bottling costs $2.99, with no in-app purchases.

### Is Sinusoid free?

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

### Do PET Bottling or Sinusoid have ads?

Neither PET Bottling nor Sinusoid shows ads.

### Which is updated more often, PET Bottling or Sinusoid?

PET Bottling ships an update every 7 months, and Sinusoid every 3 months. Most recently, PET Bottling was updated on September 10, 2026 and Sinusoid on September 25, 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.*