PET Bottling vs Sinusoid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PET Bottling
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PET Bottling is a real percussion instrument using the PET bottle. You can play an acoustic instrument as like real PET bottle. And you can play 624 each sounds recorded from only one PET bottle. If you are professional, you can play on live performance stage or use at recording studio. If you are beginner, you are amazed to hear various sounds by tapping! If you use some techniques, you can show a unique performance that goes beyond the real bottle. And you can keep your sound forever by recording function. Also you can use music you have played on PET Bottling for your song. Please check 1minute Introduction movie. https://youtu.be/XPMrgQg02mY Water in the bottle or not. Only tap or tap & stay(mute). About these each MODE, you can select Tapping Object - tapping by Hand, tapping by Nail, attacking on Wood, attacking on Plastic, attacking on Metal. And about these all, Sounds are changed by tapping place on screen... Cap, Upper, Middle, Lower, Bottom. And if you tap upper place on screen, you can play big tapping tone. And more you can play following option sounds. Falling cap sound, mute noise by hand, soda bubble noise, opening or closing cap sound, pinch the bottle, knocking up or down sound, rubbing up or down sound. If you select Water MODE and tilt left, right, upper or lower, you can play various water noise. If PET Bottling is frontmost app, you can avoid auto sleep. It's very useful for playing only a part of long music. All sounds are quickly played and you can watch feedback image on the screen so you can feel real playing. I believe all people fun playing this real instrument! And recording function is very easy. Just tap ” i ” button to show. Tap Red button to record and tap Blue button to play. PET Bottling doesn’t mute background app’s sound from the beginning. Therefore, you can record while listening to the song you are making. You can pass the wav file you recorded to your favorite storage or app with Export button. Importing your performance to music production app. Passing it to someone. A generic wav file will never be lost in the future. Just you have to avoid tapping ” i ” button when playing. Really you can focus on your performance. Are you ready? Let’s play wonderful music! - Feature - • Super high quality recorded & edited 24-bit sounds. • Modern 32-bit float Sound Engine. • 624 various & rich tones. • Very quickly response for playing as real percussion. • Visible feedback for feeling of tapping. • Institutive & smooth user interface. • Avoid auto sleep even if you don't touch. • Don’t stop background app’s sound. • Excellent recording function that is simple and does not disturb your play.
Sinusoid
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.
- 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
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Sinusoid is a tracker/sequencer sound machine inspired by retro 8 bit game consoles. It has 4 sound channels where 3 play tones and 1 plays drums and noise. It has audio parameters like pan, amplitude envelope, vibrato, pitch glide, a resonant filter and second oscillator for ring modulation and fm. Further sculpt the sound with an arpeggiator, delay and bit crusher. Export songs to AIFF and listen to them in the in app music player or share them with other apps. MIDI can be used to control parameters, play and input notes. MIDI out makes it possible to play other synths with sinusoid using Core MIDI, Bluetooth, IAA MIDI or AUv3 MIDI. Connect to other sound apps using Audiobus, Inter App Audio or AUv3. +++ 3 tone channels: sinusoid, square, triangle, saw, pulse (75%, 50%, 25% or 12.5%) +++ 1 drum/noise channel +++ Stereo pan +++ Amplitude envelope (attack, length and release) +++ 2nd oscillator for fm and ring modulation +++ Vibrato +++ Pitch glide +++ Resonant filter +++ Arpeggio/stutter +++ Tape delay +++ Bit/samplerate crush +++ Per note ability to override all channel audio parameters +++ Copy/paste between devices on the same network +++ Save and share projects using “open with” and files app drag’n drop +++ Export to songs to AIFF +++ Core MIDI, Bluetooth, IAA MIDI, AUv3 MIDI +++ Audiobus, IAA and AUv3
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PET Bottling | Sinusoid |
|---|---|---|
| Price | $2.99 — better | $4.99 |
| Rating | — | 4.9 (13 ratings) — better |
| Positive reviews | — | 68.8% of reviews |
| Number of ratings | — | 13 — better |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.1 | 9.0 — better |
| Further details — not scored | ||
| Size | 73 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Hidenori Matsuoka | Erik Sigth |
In-app purchases
PET Bottling
No in-app purchases
Sinusoid
No in-app purchases









