Tone Scan vs ChordMeter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tone Scan
Analyze live or recorded audio to reveal musical details like pitch, timbre, and tonal balance. This app offers three live scans to help you understand sound more deeply, simplifying tasks like instrument tuning and learning songs by ear.
- Chromatic spectrum analysis
- Polyphonic tuner
- Note mix for tonal balance
- Pitch recognition
- Timbre analysis
- Instrument tuning
- Chord and key spelling
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Discover musical secrets in any live or recorded audio. Elevate your perception of sound with this unique app. You’ll be amazed. See what you hear — and can’t hear — with three live scans: 1. A chromatic spectrum to see sound partials and pitch 2. A polyphonic tuner to see the pitch accuracy of select notes 3. A note mix to see changes in tonal balance Simplify tasks like: • Pitch recognition • Timbre analysis • Instrument tuning • Chord and key spelling • Tonality analysis • Learning a song by ear Ready to explore? Try the app for free.
ChordMeter
This app uses advanced machine learning to instantly transcribe audio into musical notes and chords. It features a built-in recorder and integrates with Dynamic Island for seamless multitasking on supported devices.
- Real-time chord and note transcription
- Machine learning-powered accuracy
- Internal audio recorder (up to 60 seconds)
- Dynamic Island integration
- Cross-device compatibility (iPhone, iPad, Mac)
- Family Sharing support
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Check musical chords and notes in realtime with the power of Neural Engine ChordMeter uses the state of the art machine learning models to accurately and instantly transcribe music to polyphonic notes and musical chords. With the internal recorder, you can track up to 60 seconds of audio. It seamlessly integrates with Dynamic Island, allowing you to use your favorite music apps simultaneously on supported devices. A complimentary two-week trial is available to everyone. ChordMeter offers a yearly subscription and a lifetime license. Both the subscription and license are valid across all your iPhones, iPads and Apple Silicon Macs, and are eligible for Family Sharing. Plan $0.79 / Yearly $5.99 / One Time - Restore Purchases If you change your iOS device or reinstall the app, you can restore your purchases from the app's startup screen. - Manage or Cancel To manage or cancel your subscription, go to Settings > [your name] > iTunes & App Store. Tap your Apple ID at the top of the screen and then tap View Apple ID. You might need to sign in or use Touch ID. For more information, visit: https://support.apple.com/en-us/HT202039 - Payment will be charged to your Apple ID account at the confirmation of purchase. - The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. - Your account will be charged for renewal within 24 hours prior to the end of the current period. - You can manage and cancel your subscriptions by going to your App Store account settings after purchase. - You will not be able to cancel the subscription once activated. - Free trials may only be used once. Any unused portion of a free trial will be forfeited if you purchase a subscription. - Terms of Use For the Terms of Use, please visit: https://eijtom.com/chordmeter/terms.html
Screenshots
Verdict
The clearest difference is review sentiment: ChordMeter at 100% against Tone Scan's 50%. ChordMeter also leads on rating (5.0 vs 3.2). Tone Scan's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model 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. Tone Scan sells 2 one-off in-app purchases and ChordMeter sells 2 in-app purchases, starting at $0.79 per year. Whichever you choose, the download price is not the number that matters.
ChordMeter holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Tone Scan has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Tone Scan's written reviews are positive against 100% of ChordMeter's.
| Parameter | Tone Scan | ChordMeter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (6 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 7 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.5 | 15.4 — better |
| Further details — not scored | ||
| Size | 4 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Openchord Inc. | Eiji Nishidai |
Customer experience
Tone Scan
ChordMeter
In-app purchases
Tone Scan
- Audio Free Trial3 variantsFree
- Unlock Audio$4.99
ChordMeter
- ChordMeter Yearly14 Days trial$0.791 Year
- ChordMeter Lifetime$5.99








