TerribleSync vs DJ Music Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TerribleSync
Control the tempo of music hardware like synthesizers and drum machines using your iPhone or iPad. Features include tap tempo, precise dial adjustment, and buttons for performance effects. Requires a 3.5mm audio cable for connection.
- Tap tempo
- Rotary tempo dial
- Pause/mute button
- Performance effect buttons
- Clear interface
- Open source project
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Use your iPhone or iPad to control the tempo of impulse-sync-enabled synthesizers, drum machines, and other music hardware. Features: • Tap tempo • Supports 20.0 - 999.0+ BPM • Rotary tempo dial for precise, tactile tempo adjustment • Pause/mute button • ?, !, and :fire: buttons to introduce character and chaos into your performance • Clear, simple interface designed to be easy to use in a stage/performance setting This app works with any instrument you own that takes voltage impulses as a tempo control, such as: • KORG SQ-1, Volca, Monotribe, etc. • Teenage Engineering Pocket Operator • Moog MOTHER-32 (choose the "single clock advance" setting on the instrument) This project is open source. Try building it yourself at https://github.com/terribleben/terrible-sync or contact twitter.com/terribleben with feedback! Notes: • 3.5mm audio cable is required to connect your iPhone or iPad to your sync-enabled instruments. • If the instrument isn't responding, you may need to increase the iPhone's volume. • This software is not produced by, endorsed by, or affiliated with KORG, Teenage Engineering, Moog Music, or other instrument manufacturers.
DJ Music Sync
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Create a Party by syncing Music with friends.
Screenshots
Verdict
The clearest difference is update cadence: DJ Music Sync at daily against TerribleSync's every 35 months. TerribleSync's advantage is iOS requirement (12.0 vs 16.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TerribleSync ships an update every 35 months, DJ Music Sync daily. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.
| Parameter | TerribleSync | DJ Music Sync |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 35 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Benjamin Roth | Talya Nevo |
In-app purchases
TerribleSync
No in-app purchases
DJ Music Sync
No in-app purchases
Questions
Is TerribleSync free?
Is DJ Music Sync free?
Do TerribleSync or DJ Music Sync have ads?
Which is updated more often, TerribleSync or DJ Music Sync?
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