Holon vs BAZER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Holon
This app transforms your movement through cities into a dynamic, real-time musical score. It uses your physical location and activity to generate interactive synth music, encouraging outdoor exploration and turning listeners into performers.
- Human-powered music generation
- Encourages outdoor activity
- Zero UI for minimal distraction
- Environmentally responsive music
- Real-time synth music creation
- Optional AirPods and Apple Watch integration
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Holon makes the city your instrument. It turns your movement in the environment into a synthetic, interactive score that reflects your context, supports your activities and alerts you to changes in the surrounding area. Holon uses physical computing and a geospatial dataset to synthesize music on the iPhone in real time from your data - no streaming or AI involved, just pure DSP and logic. What Holon Does: * Human powered music. Every action generates dynamic, improvised synth music in real time. * Encourages outdoor activities. Holon doesn’t work in your apartment or by shaking your phone around. Move through streets, parks, and transit systems to make the music happen. * Stays out of your way. Zero UI means less screen time, no distractions. * Uses places and spaces to modify the music you make. The environment isn’t background - it’s the score. * The more and further you move, the more things happen in the music. Use your musical agency instead of skipping and swiping. Why Holon Exists: Music has been reduced to a commodity and a background activity for consumerism. Holon isn’t here to help you chill when you swipe, scroll and buy more stuff, or improve your focus when working for the Man. Holon is here to break away from the static, one-way relationship of streaming services and to put the human in the loop - yourself. Forget emoting celebrities with their false sincerity, throw overproduced passive soundscapes and statistical algorithms on the dung heap of history. Holon turns listeners into performers and unlocks the musical potential of places. How to Use: * Go outside - Holon needs space to function, just like you. Different districts, parks, bridges, shops, street furniture - all contribute to the musical output. Strolling around your apartment or shaking your phone won’t do. * Put the phone in your pocket or on your dashboard. * Walk, run, drive - the world is now the interface, space is the machine. * Use the big button in the middle to power Holon off when not in use - Auditory AR can be a battery-intensive process! * Optional Apple AirPods support for head-controlled musical interactions! * Optional Apple Watch support for heart rate-synced music (biofeedback) *the Watch app may take a moment to install* Requirements: * Available in over 1000 regions in more than 100 countries. * Check coverage or request a new area at holonic.systems/holon. * Best experienced with headphones. Ensure adequate battery level for extended use. * A data plan is required to access our geospatial engine but use of data is low. Holon: Become part of the circuit and… Become Sound™
BAZER
Explore your musical creativity with three distinct tools. Craft beats, play rhythm games, and control sounds using intuitive hand and face gestures. Save and experiment with your musical ideas all within one application.
- Hand and face gesture sound control
- Beat-making playground
- Rhythm game for timing practice
- Create, play, and experiment
- Save musical ideas
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BAZER is a playful music app with three creative instruments: BAZER lets you control sound with your hands and face BEATS is a fast beat-making playground for building patterns and loops. RhythmKING is a rhythm game for practicing timing and musical feel. Create, play, experiment, and save your musical ideas from one app.
Screenshots
Verdict
The clearest difference is rating: BAZER at 5.0 against Holon's 4.5. BAZER also leads on in-app purchases (none vs 2) and review sentiment (100% vs 75%). Holon's advantage is ratings volume (14 vs 1) and iOS requirement (12.0 vs 15.0). On price, ads 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
Both are free to download. Holon sells 2 one-off in-app purchases. BAZER asks for nothing beyond the download.
BAZER holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Holon has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Holon's written reviews are positive against 100% of BAZER's.
| Parameter | Holon | BAZER |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (14 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 — better | 1 |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 144 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Holonic Systems Oy | Yehonatan Bazer |
Customer experience
Holon
BAZER
In-app purchases
Holon
- Apple Watch supportFree
- Movesense SupportFree
BAZER
No in-app purchases









