Tuner+ vs Viola Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tuner+
This app provides perfectly tuned reference notes for various musical instruments, allowing users to tune by ear. It offers both real audio and sine wave sounds and supports VoiceOver accessibility. It does not analyze instrument notes but serves as a quick reference for tuning in any key.
- Plays reference notes for tuning
- Supports guitar, bass, piano, and more
- Real audio and sine wave sounds
- VoiceOver accessibility
- Tune in any key
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Tuner+ Tune your Guitar, Bass, Banjo, Mandolin, Cello, Violin, Piano, Viola, or Ukulele in seconds. This app plays perfectly tuned notes for you to match your pitch to. The sounds are both real audio and sine wave form. We're also proud to announce that Tuner+ is now supports full VoiceOver Accessibility. This app does NOT analyze the notes of your instrument to tell you if you are sharp or flat. It is just a quick way to get reference notes for ear tuning in any key. Enjoy! Nick Moby Pixel
Viola Tuner
This application offers a precise and user-friendly way to tune your viola. It features professional sound recordings and advanced algorithms for accurate pitch recognition, with multiple tuning modes available. The app works offline and provides advanced settings for musicians.
- Professional viola sound recordings
- Offline tuning capabilities
- Auto tune, manual, and chromatic modes
- Adjustable concert pitch (Hz)
- Deviation display in cents
- Custom tuning and presets
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Viola Tuner – XTuner PRO is an easy-to-use free mobile application with which you will be able to tune your viola quickly. The sounds for our application were recorded by professional musicians. Sounds that cannot be generated by a musician have been created synthetically. App works offline. What is the most important: it is a free tuner. The algorithm in the viola tuner offline app has been prepared for the most effective recognition of instrument sounds. To get the auto tune result, play the sound several times. Viola Tuner – XTuner PRO app for instruments has three modes: auto tune, manual and pro - chromatic tuner mode. App works offline. - Auto Tune – automatic tuning – examined the frequency of the signal is interpreted to the next clear sound of the specific frequencies of pure sound. - Manual – sound tuning - select a specific sound that will be tuned. Features in the tuning app: - recordings of real sounds of viola - the ability to set the frequency of sound "a" (concert pitch) in Hz (herz), - the ability to determine the deviation from the base frequency in cents, - instrument head view, - ability to set frequency filter - custom tuning - presets for your music instrument - chromatic tuner mode – you can practise diapason using it - auto tune and manual mode - professional frequency settings – choose the concert pitch in Hz and transposition - viola tuner offline - it is a free pro tuner; you don’t have to pay. If you would like to have version of the free tuner with no ads, you can buy premium forever or subscription. If you will have any problems with Viola Tuner – XTuner PRO app, please feel free to contact us: mobile@netigen.eu. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://netigen.eu/privacy/ More information: https://xtunerpro.com/viola
Screenshots
Verdict
The clearest difference is review sentiment: Tuner+ at 82% against Viola Tuner's 25%. Tuner+ also leads on rating (4.7 vs 3.1) and ratings volume (1.1K vs 9). Viola Tuner's advantage is update cadence (every 3 weeks vs every 6 months). 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. Tuner+ sells 1 one-off in-app purchase and Viola Tuner sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Tuner+ holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: Tuner+ has 1.1K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 82% of Tuner+'s written reviews are positive against 25% of Viola Tuner's.
Tuner+ ships an update every 6 months, Viola Tuner every 3 weeks. The most recent releases landed on September 22, 2026 and August 25, 2026 respectively.
| Parameter | Tuner+ | Viola Tuner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.1K ratings) — better | 3.1 (9 ratings) |
| Positive reviews | 82.3% of reviews — better | 25.0% of reviews |
| Number of ratings | 1.1K — better | 9 |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Nick Culbertson | NETIGEN Kluzowicz sp. j. |
Customer experience
Tuner+
Viola Tuner
Bugs and requests
Tuner+
Reported bugs
2 issues- App crashes on certain devices
- Distortion on some string notes
Requested features
4 requests- Add support for alternate tunings
- Provide visual tuning indicators
- Include a metronome feature
- Expand instrument selection
Viola Tuner
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tuner+
- Remove Ads - Tuner+$0.99
Viola Tuner
- 1 week subscription + trial3 Days trial$2.997 Days
- Forever one-time payment$19.99
