TerribleSync vs Vocal Pitch Check
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.
Vocal Pitch Check
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Vocal Pitch Check is useful to know the note name of your pitch in real time, check if you can reach any note you want to perform or sustain. Also you can check the volume with the amplitude value and the frequency.
Screenshots
Verdict
The clearest difference is price: TerribleSync at Free against Vocal Pitch Check's $0.99. TerribleSync also leads on iOS requirement (12.0 vs 26.0). Vocal Pitch Check's advantage is update cadence (monthly 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; Vocal Pitch Check costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TerribleSync ships an update every 35 months, Vocal Pitch Check monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | TerribleSync | Vocal Pitch Check |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 35 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Benjamin Roth | Nicolas Fumasoni |
In-app purchases
TerribleSync
No in-app purchases
Vocal Pitch Check
No in-app purchases
Questions
Is TerribleSync free?
Is Vocal Pitch Check free?
Do TerribleSync or Vocal Pitch Check have ads?
Which is updated more often, TerribleSync or Vocal Pitch Check?
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