Tailsync vs MIDI World
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tailsync
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Make your reverb groove with your music. When your reverb tail matches your track's tempo, the decay fades naturally between beats. This creates a cleaner, more cohesive mix where the reverb enhances the rhythm instead of fighting it. Tailsync calculates pre-delay and decay times instantly based on your BPM and desired room size. Just copy the values into your reverb plugin. FEATURES - Instant tempo-synced calculations - 5 reverb sizes from tight to hall - One-tap copy to clipboard - Beautiful, minimalist interface - Haptic feedback - Works completely offline PRO TIP With iCloud Universal Clipboard enabled, tap any value on your iPhone and paste it directly into your DAW on Mac. No typing required. Perfect for music producers, mix engineers, and sound designers who want their reverb to feel musical, not random. Made with care by AKER.
MIDI World
Transform device sensors and real-world data into MIDI control and musical notes. Create multitrack recordings, adjust performances with per-track controls, and export to any DAW. Connect environmental data to your music.
- Sensor-to-MIDI mapping
- Real-world data integration
- Multitrack recording
- Per-track performance controls
- Standard MIDI File export
- Optional audio export
- Preset and theme customization
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MIDIWorld turns sensors and live data into MIDI control and notes. Map accelerometer, gyroscope, compass, GPS, barometer, microphone level, touch, light, proximity, and device motion into your performances. Layer weather, air quality, tides, visibility, seismic activity, place density, and market or FX-style feeds where available. Record multitrack sessions, adjust each source with per-track controls, and preview what you captured. Export Standard MIDI Files to use in any DAW or hardware that accepts MIDI. Optional audio export is available where the app supports it. Presets help you start quickly — from motion and tilt to weather, urban, health-driven, and experimental setups. Themes keep the interface comfortable for studio or stage. Permissions (Motion, Microphone, Location — including background when your session needs it — Health, Bluetooth) are used only to drive MIDI and related features on your device, as described in the system prompts and in our Privacy Policy. Whether you are sonifying a ride, the forecast, or generative patches from your environment, MIDIWorld connects world data to music.
Screenshots
Verdict
The clearest difference is price: Tailsync at Free against MIDI World's $0.99. Tailsync also leads on iOS requirement (14.0 vs 18.0). 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
Tailsync is free to download; MIDI World costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Tailsync | MIDI World |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 2.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 6 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | AKER SARL | Los Palmos |
In-app purchases
Tailsync
No in-app purchases
MIDI World
No in-app purchases









