ARN vs CentiGrade Visual Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ARN
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ARN-Music 3 shows you all the triads of any musical scale in an innovative way. Perfect for studying and applying chords and harmonizations. Thanks to the dedicated Circle of Fifths for each scale, you can easily create harmonious chord progressions. Choose between degrees or notes by selecting your preferred tonic.
CentiGrade Visual Tuner
This app provides instant, ad-free tuning with a unique rolling trace feature for pitch practice. Its interface dynamically zooms as you approach the target note, offering multiple visual modes and presets for various instruments.
- Instant tuning on launch
- Rolling trace for pitch history
- Dynamic zoom interface
- Fluid wave visualizer
- Chromatic, Guitar, Bass presets
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No Ads: Instant tuning as soon as you open the app. Rolling Trace: See a historical line of your pitch for perfect intonation practice. Dynamic Zoom: The interface adapts as you get closer to your target note. Multiple Modes: Toggle between a fluid wave visualizer and the rolling history roll. Presets: Support for Chromatic, Guitar, and Bass tuning.
Screenshots
Verdict
The clearest difference is price: ARN at Free against CentiGrade Visual Tuner's $0.99. CentiGrade Visual Tuner's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (13.0 vs 17.6). 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
ARN is free to download; CentiGrade Visual Tuner costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ARN ships an update every 2 weeks, CentiGrade Visual Tuner every 4 days. Both last shipped on October 24, 2026.
| Parameter | ARN | CentiGrade Visual Tuner |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicolas Augsburger Rossi | PHILIP BRADLEY KING |
In-app purchases
ARN
No in-app purchases
CentiGrade Visual Tuner
No in-app purchases
Questions
Is ARN free?
Is CentiGrade Visual Tuner free?
Do ARN or CentiGrade Visual Tuner have ads?
Which is updated more often, ARN or CentiGrade Visual Tuner?
Other comparisons
