Comparison

n vs Viola Tuner Basic

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

n

Easily tune a variety of musical instruments using your smartphone's microphone. Offers high precision with advanced audio recognition and multiple visual feedback modes. Supports manual tuning and calibration for custom needs.

Highlights
  • High precision tuning
  • Spectrum Analyzer
  • Instrument selection
  • Tune Fork reference tone
  • Needle tuner
  • Adjustable sensitivity and precision
Features
Read full description

Tune your guitar, bass or other instruments with n-Track Tuner. Use this tuner in an easy, intuitive and free way with the integrated microphone of your smartphone. Downloaded over 5 million times! Just put your iPhone, iPod Touch or iPad next to your instrument and play each string. High precision and sensitivity thanks to the advanced audio recognition algorithm also used for n-Track Studio 8. n-Track Tuner works great as a guitar tuner, violin, viola, violoncello, bass, piano and wind instruments tuner. NEW: 6 different views: •||| Spectrum Analyzer |||• The spectrum analyzer provides a visual feedback of the notes played by the instrument and shows a small arrow to highlight the harmonic whose pitch the tuner is tracking. •||| Instruments |||• Use the manual mode to select and tune each string according to the selected instrument tuning (guitar, bass, violin, viola, cello, double bass, banjo, ukulele, mandolin, harp, and piano) Get the pro version to unlock all instruments views. •||| Tune Fork |||• For those who prefer to manually tune their instrument the 'Diapason' view lets you play a reference tone, 'A' (440 hz) or any other note that you can select dragging the frequency slider. •||| Needle |||• A handy old style tuner to accurately detect the frequencies of your instrument. •||| Sonogram |||• (PRO feature) The "Sonogram" tab shows how the frequency spectrum evolves with time, and shows how the note that the tuner is following evolves by tracing a green line. •||| 3D view |||• (PRO feature) 3D view lets you follow how the audio spectrum changes over time. ADVANCED FEATURES • adjust tuning sensitivity and precision up to 0.1 cents • western and latin note namings, alternate temperaments • calibrate the tuner for non-standard tunings: tune the reference note, tap on the display and select 'Calibrate' to set the note as the new reference • adjust the spectrum analyzer visualization options, select thicker spectrum lines, smooth out or highlights peaks, increase or decrease spectrum accuracy, zoom into a specific area of the spectrum Contact us: http://ntrack.com/support

About

Viola Tuner Basic

Instantly tune your viola with precision and ease. This app offers ultra-accurate frequency display, adjustable A4 temperaments, and intuitive LED guidance. It's perfect for musicians of all levels, from beginners to professionals.

Highlights
  • Ultra-accurate frequency display (Hz)
  • Adjustable A4 temperaments (392Hz–466Hz)
  • LED tuning indicator
  • Tuned string lights up on screen
  • High sensitivity and fast response
  • Tuning fork (IAP)
  • Advanced settings (IAP)
Features
Read full description

Tune your viola instantly with precision and ease! Ideal for beginners, students, and professional players. • Ultra-accurate — displays exact frequency in Hz • A4 temperaments from 392Hz–466Hz • Includes tuning fork & advanced settings (IAP) • High sensitivity and fast response • LED tuning indicator for intuitive guidance • Tuned string lights up on screen • Universal app for iPhone & iPad Please allow microphone access: Settings > Privacy > Microphone. Questions or ideas? feedback@daikyoujulabs.com

Screenshots

n4 screens
Viola Tuner Basic4 screens

Verdict

The call

The clearest difference is rating: n at 4.7 against Viola Tuner Basic's 4.1. n also leads on review sentiment (78% vs 38%) and ratings volume (3.2K vs 194). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. n sells 1 one-off in-app purchase and Viola Tuner Basic sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

n holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: n has 3.2K ratings behind it against 194, so its average is the more settled of the two. Written reviews point the same way: 78% of n's written reviews are positive against 38% of Viola Tuner Basic's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
n versus Viola Tuner Basic: the parameters behind the verdict, then further details
ParameternViola Tuner Basic
PriceFreeFree
Rating4.7 (3.2K ratings) — better4.1 (194 ratings)
Positive reviews77.7% of reviews — better37.5% of reviews
Number of ratings3.2K — better194
Update frequencyEvery 2 weeksEvery 2 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size77 MB12 MB
Age rating4+4+
Developern-Track S.r.l.Pedro Daniel Macalupu Cumpen

Customer experience

n

All ratings3,166 ratings
Positive94.1%
Neutral2.6%
Negative3.3%
Written reviews897 reviews
Positive77.7%
Neutral5.0%
Negative17.3%

Viola Tuner Basic

All ratings194 ratings
Positive77.3%
Neutral3.1%
Negative19.6%
Written reviews16 reviews
Positive37.5%
Neutral6.3%
Negative56.3%

Bugs and requests

n

Reported bugs

3 issues
  • Inaccurate note detection
  • Freezing during use
  • Compatibility issues with certain instruments

Requested features

3 requests
  • Option to remove ads
  • Improved compatibility with lower-end devices
  • More customization options

Viola Tuner Basic

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

n

One-time1
  • pro features and remove ads$12.99
5 purchases

Viola Tuner Basic

One-time5
  • Remove ads$3.99
  • A4 Calibrations 392Hz to 466Hz$3.99
  • Settings$3.99
Show 2 more
  • Tuning Fork$3.99
  • Metronome$3.99

Questions

Is n free?
n is free to download, with in-app purchases available.
Is Viola Tuner Basic free?
Viola Tuner Basic is free to download, with in-app purchases available.
Which has better reviews, n or Viola Tuner Basic?
n is rated higher. n averages 4.7 out of 5 from 3.2K ratings, while Viola Tuner Basic averages 4.1 from 194 ratings.
Do n or Viola Tuner Basic have ads?
Both n and Viola Tuner Basic show ads.
Which is updated more often, n or Viola Tuner Basic?
n ships an update every 2 weeks, and Viola Tuner Basic every 2 weeks. Most recently, n was updated on October 2, 2026 and Viola Tuner Basic on September 29, 2026.

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