TerribleSync vs Chromatic Tuner AUv3
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.
Chromatic Tuner AUv3
Achieve perfect pitch on your iPhone or iPad with this high-precision chromatic tuner. It supports a wide range of instruments and functions as a standalone app or an AUv3 effect within popular music production hosts.
- High-precision chromatic tuning
- Arc-shaped cents gauge
- Octave display
- Adjustable calibration standards
- Low-latency AUv3 audio passthrough
- Clean, dark interface
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Tune guitar, bass, violin, and any instrument to perfect pitch on your iPhone or iPad. A high-precision chromatic tuner that works as a standalone app and as an AUv3 effect inside GarageBand, Logic Pro, AUM, Koala, Cubasis, Loopy Pro, and any AUv3-compatible host. Features: • High-precision chromatic tuning with an arc-shaped cents gauge • Trace view: a scrolling pitch graph that shows each string settle into tune, with a tap to switch back to the gauge • Read pitch drift to the exact cent — in tune at a glance • Octave display shows the note and its octave (A4, B3, ...) • Calibration for different tuning standards (A=415–466 Hz) • Low-latency audio passthrough when used as an AUv3 effect • Clean, dark interface for stage and studio Whether you are practicing at home, warming up backstage, or recording in the studio, Tuner gives you accurate, instant feedback on every note. Works great in GarageBand, Logic Pro, AUM, Koala, Cubasis, Loopy Pro, and any AUv3 host. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: TerribleSync at Free against Chromatic Tuner AUv3's $2.99. TerribleSync also leads on ratings volume (4 vs 1) and iOS requirement (12.0 vs 16.0). Chromatic Tuner AUv3's advantage is rating (5.0 vs 4.0) and update cadence (every 11 days vs every 35 months). 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
TerribleSync is free to download; Chromatic Tuner AUv3 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Chromatic Tuner AUv3 holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
TerribleSync ships an update every 35 months, Chromatic Tuner AUv3 every 11 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | TerribleSync | Chromatic Tuner AUv3 |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 35 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| 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 | NATHAN THOMAS MATHIS |
Customer experience
TerribleSync
Chromatic Tuner AUv3
In-app purchases
TerribleSync
No in-app purchases
Chromatic Tuner AUv3
No in-app purchases
Questions
Is TerribleSync free?
Is Chromatic Tuner AUv3 free?
Which has better reviews, TerribleSync or Chromatic Tuner AUv3?
Do TerribleSync or Chromatic Tuner AUv3 have ads?
Which is updated more often, TerribleSync or Chromatic Tuner AUv3?
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