APTuner vs Twiddl Chromatic Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
APTuner
This application provides highly accurate chromatic tuning for a wide range of instruments. It features a clear interface, customizable settings, and the ability to detect note deviations with precision.
- Automatic note and cent deviation detection
- Accurate to 1/1000 semitone
- High contrast, high visibility UI
- Instrument presets
- User selectable noise threshold
- Settable A4 frequency
- Historical temperaments
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Features: + Automatically detects the note and cent deviation for a wide variety of instruments + Accurate up to 1/1000 semitone (0.1 cent) + High contrast, high visibility user interface + Instrument presets + User selectable noise threshold + Settable A4 frequency + Frequency table + Select and edit historical temperaments
Twiddl Chromatic Tuner
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Twiddl is a focused chromatic tuner for iPhone. Open it and play. Twiddl starts listening immediately. Features: - Chromatic tuning from A0 through C8 - Fluid, continuous pitch feedback - Automatic listening when the app opens - Clear note, octave, frequency, and cents readouts - Adjustable concert pitch from A4 = 430–450 Hz - Accessibility labels and Reduce Motion support Private by design: - Audio is analyzed only on your iPhone - Nothing is recorded, saved, or uploaded - No account, advertising, analytics, or tracking Twiddl began as the tuner I wanted for myself. I’m sharing it in case it feels better to someone else, too. This tuner is free, and it will stay free.
Screenshots
Verdict
The clearest difference is update cadence: Twiddl Chromatic Tuner at every 6 days against APTuner's every 3 months. APTuner's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases 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.
APTuner ships an update every 3 months, Twiddl Chromatic Tuner every 6 days. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.
| Parameter | APTuner | Twiddl Chromatic Tuner |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Joseph Broms | Luis Diego Hernandez Arias |
In-app purchases
APTuner
No in-app purchases
Twiddl Chromatic Tuner
No in-app purchases
Questions
Is APTuner free?
Is Twiddl Chromatic Tuner free?
Do APTuner or Twiddl Chromatic Tuner have ads?
Which is updated more often, APTuner or Twiddl Chromatic Tuner?
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