Lines vs BounceBud Physics Based MIDI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lines
This audio effect plugin transforms any signal into a wide spectrum of sounds, from lo-fi to distortion and feedback. It can also function as an experimental synthesizer, creating rhythms and soundscapes even without input.
- Creative signal mangling
- Experimental synthesizer
- Feedback-based sound design
- Wide range of audio effects
- Rhythm and soundscape generation
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Lines is an effect plugin that crosses borders: it can be used as a creative mangler of all kinds of signals, ranging from lo-fi telephone sounds, lush phasing, warm distortions, crushing feedback, ring modulation and unique frequency shifting. But even without any input, it can be an experimental synthesizer based on feedback, allowing for a wide range of inspiring rhythms, pulses, and organic soundscapes. If you combine input and internal engines an unheard spectrum of sounds appears.
BounceBud Physics Based MIDI
This app generates MIDI notes through a unique physics-based system. Balls collide with customizable keyboards, triggering MIDI events. It offers extensive control over note scales, velocity, and MIDI channels for diverse musical creations.
- Physics-based generative MIDI sequencing
- Customizable keyboards with MIDI note triggers
- Adjustable ball count, speed, and size
- Configurable key/scale, velocity, and octave ranges
- Individual MIDI output per keyboard
- MIDI input for 'shoot walls' interaction
- Toggleable ball collision behavior
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BounceBud is a physics based, generative MIDI sequncer. Each side of the app has a customizable keyboard that send a MIDI note when a ball collide with its key. You can specify the ball count, speed and size on the main screen with the knob controls. In the settings menu, you can set the key/scale, velocity range, octave. range and MIDI channel settings of the keyboards. You can also specify the notes individually per keyboard. All keyboards share the same key/scale that could also be changed with BrainBud. Each keyboard has its own MIDI output, so you can play different audio apps with BounceBud at once. Or you can disable the keyboard sides you don't want to use. With a MIDI input (from a MIDI keyboard or a MIDI sequencer app) you can 'shoot walls' from the keyboards. Balls can interact with the walls and it introduce more randomness to your generative sequence. You can control each keyboard by assigning them different MIDI input channels in the settings menu. You can also toggle the ball collision behavior in the settings menu. Whether balls can collide with each other or not, it creates different, interesting sequences every time. The size variety and ball variety can be change in the ball settings section in the settings menu. It adds randomisation to the size and speed values. You can change the ball color theme in the settings menu as well! BounceBud is a MIDI app and it does not produce any sound on its own. You need to route BounceBud's MIDI outs to your audio app's MIDI input. The AUv3 plugin app needs and AUv3 host app such as AUM, Loopy Pro, Logic Pro, Cubasis, Nanostudio, apeMatrix etc.
Screenshots
Verdict
The clearest difference is price: BounceBud Physics Based MIDI at $3.99 against Lines's $19.99. BounceBud Physics Based MIDI also leads on update cadence (every 5 weeks vs every 13 months). On rating, review sentiment, ratings volume and ads 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
Lines costs $19.99 and BounceBud Physics Based MIDI $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Lines against 5.0 for BounceBud Physics Based MIDI. Both are backed by a comparable volume of ratings — 11 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Lines ships an update every 13 months, BounceBud Physics Based MIDI every 5 weeks. The most recent releases landed on August 29, 2026 and September 21, 2026 respectively.
| Parameter | Lines | BounceBud Physics Based MIDI |
|---|---|---|
| Price | $19.99 | $3.99 — better |
| Rating | 5.0 (11 ratings) | 5.0 (11 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 11 | 11 |
| Update frequency | Every 13 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 29 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | AudioThing Ltd. | Cem Olcay |
Customer experience
Lines
BounceBud Physics Based MIDI
In-app purchases
Lines
No in-app purchases
BounceBud Physics Based MIDI
No in-app purchases
Questions
Is Lines free?
Is BounceBud Physics Based MIDI free?
Which has better reviews, Lines or BounceBud Physics Based MIDI?
Do Lines or BounceBud Physics Based MIDI have ads?
Which is updated more often, Lines or BounceBud Physics Based MIDI?
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