303 Note - Acid Sequencer
303 Note - Acid Sequencer is made and published by tsubasa hattori. AppBrain is an independent app data site and isn't affiliated with tsubasa hattori. The app name, icon, screenshots and description belong to tsubasa hattori and are shown as published on the App Store.
AppBrain's verdict
Established- Rating on App Store
- 4.86
- 7 ratings
- Last updated
- September 13, 2026
It doesn't have enough ratings yet to judge what users think.
Rankings
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Releases
Updates seen on the App Store- Version
- 2.3.0
- Launched
- March 2020
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 23.2 MB
- Content rating
- Everyone
Technologies used by 303 Note - Acid Sequencer
About the app and developer
About 303 Note - Acid Sequencer
303 Note - Acid Sequencer is a lifestyle app developed by tsubasa hattori.
User Ratings
303 Note - Acid Sequencer is rated 4.86 out of 5 stars. The rating is based on 7 ratings.
App Information
303 Note - Acid Sequencer is freely available from the App Store. The app size is 23.18 MB. The latest version available is 2.3.0. The last update was on September 13, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2020.
Developer information for tsubasa hattori
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Frequently asked questions about 303 Note - Acid Sequencer
Is 303 Note - Acid Sequencer free?
Yes. 303 Note - Acid Sequencer is free on the App Store.
Is 303 Note - Acid Sequencer still available?
Yes. 303 Note - Acid Sequencer is on the App Store, and the last update we saw was on September 13, 2026.
How large is 303 Note - Acid Sequencer?
303 Note - Acid Sequencer is 23.18 MB.
Is 303 Note - Acid Sequencer suitable for children?
App Store rates the content of 303 Note - Acid Sequencer as suitable for everyone.
How do people rate 303 Note - Acid Sequencer?
303 Note - Acid Sequencer scores 4.86 out of 5 stars, from 7 ratings on the App Store.
Who made 303 Note - Acid Sequencer?
303 Note - Acid Sequencer was developed by tsubasa hattori. It is listed in the lifestyle category on the App Store.
What are the best alternatives to 303 Note - Acid Sequencer?
People looking at 303 Note - Acid Sequencer also look at these lifestyle apps: 8-Bit Music Maker Retro Synth, KALKUL, GlobalPoint Real Estate, Vantee - Family AI Assistant, Analog Journal.
Store listing
By tsubasa hattori, from the App Store
Description by tsubasa hattori Written by the developer, not by AppBrain. Click to read.
Perfect for those moments when:
"I want to recreate this pattern on another machine, but checking all the original settings is a hassle..."
"My hardware's memory is full, but I don't want to lose my favorite patterns."
Patterns you save can be played back instantly. Turn the built-in synth knobs to dial in that signature squelch while you shape your line.
Key Features:
- A dedicated interface: A step sequencer screen that feels just like the real hardware. Note, Down/Up, Accent, and Slide — all editable on one screen.
- Built-in preview playback: Audition your patterns instantly, even while editing, so you can hear it and tweak it on the fly.
- TB-303-style tone knobs: CUTOFF / RESO / ENV / DECAY / ACCENT — dial in the feel before you commit it to hardware.
- Dark mode support: Easy on the eyes during late-night studio sessions or on a dark club stage.
- CSV export: Export your saved patterns as CSV for easy backup and management on your computer.
Keep your acid basslines safe and ready, anytime, anywhere.