Comparison

Tuner+ vs Cello Tuner

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

Head to head
About

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.

Highlights
  • Plays reference notes for tuning
  • Supports guitar, bass, piano, and more
  • Real audio and sine wave sounds
  • VoiceOver accessibility
  • Tune in any key
Features
Read full description

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

About

Cello Tuner

This app provides precise tuning for string instruments with auto noise filtering and multiple tuning modes. It also includes a metronome with various beat types and subdivision options to aid practice.

Highlights
  • Auto noise filtering
  • Standard, 5th Suite, Kodály, and Whole step down tuning modes
  • Calibrate piano sound
  • A4 frequency adjustment
  • Intuitive metronome interface
  • 18 beat types
  • Segment beat subdivision
  • Pendulum display mode
Features
Read full description

Include Standard, 5th Suite, Zoltán Kodály, Whole step down modes. The simplest and most precise tuning APP with auto noise filtering. First step is choose the frequency at top of screen, then choose the tuning at the middle of the screen. When you play instrument, the pitch will be shown on the panel for the individual string by indicating signal high or low. [Tuner] - Calibrate Piano Sound : Click on an open string then calibrate the sound with your instrument. Piano Sound A4=442. - A4 Frequency adjustment: choose 428~452 frequencies for A4 string. - The scale for precision tuning is 10 cents for every sub-bit. The green arrow means pitch is accurate and it will turn white once the pitch difference exceeds more than a sub-bit. [Metronome] - The operation screen is intuitive and easy to use. All functions can be set on the same page. - Intuitive beat mode selection, 18 types, including: Grave 25-45 / Largo 40-60 / Lento 45-60 / Larghetto 60-66 / Adagio 66-76 / Adagietto 72-76 / Andante 76-108 / Andantino 80- 108 / Marcia moderato 83-85 /Andante moderato 92-112 / Moderato 108-120 / Allegretto 112-120 / 116-120/ Allegro 120-156 / Vivace 156-176 / Vivacissimo 172-176 / Presto 168-200 / Prestissimo 200 Bpm and over - Support for "segment beat" function, double, triple and quad beat subdivision - Support pendulum display mode - Timing display Helps control the practice time - Use RTP (Real Time Playback) mode, precise beat, and support dynamic shifting

Screenshots

Tuner+4 screens
Cello Tuner4 screens

Verdict

The call

The clearest difference is rating: Tuner+ at 4.7 against Cello Tuner's 3.8. Tuner+ also leads on review sentiment (82% vs 59%) and ratings volume (1.1K vs 17). Cello Tuner's advantage is update cadence (monthly 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tuner+ sells 1 one-off in-app purchase and Cello Tuner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tuner+ holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Tuner+ has 1.1K ratings behind it against 17, 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 59% of Cello Tuner's.

UpkeepUpdate frequency

Tuner+ ships an update every 6 months, Cello Tuner monthly. Both last shipped on October 16, 2026.

Scorecard4 real differences · 6 level
Tuner+ versus Cello Tuner: the parameters behind the verdict, then further details
ParameterTuner+Cello Tuner
PriceFreeFree
Rating4.7 (1.1K ratings) — better3.8 (17 ratings)
Positive reviews82.4% of reviews — better59.3% of reviews
Number of ratings1.1K — better17
Update frequencyEvery 6 monthsMonthly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.1 — better
Further details — not scored
Size9 MB41 MB
Age rating4+4+
DeveloperNick CulbertsonHsing-Fu Hsueh

Customer experience

Tuner+

All ratings1,078 ratings
Positive92.8%
Neutral3.5%
Negative3.7%
Written reviews148 reviews
Positive82.4%
Neutral6.8%
Negative10.8%

Cello Tuner

All ratings17 ratings
Positive64.7%
Neutral5.9%
Negative29.4%
Written reviews27 reviews
Positive59.3%
Neutral11.1%
Negative29.6%

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

Cello Tuner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Tuner+

One-time1
  • Remove Ads - Tuner+$0.99
1 purchases

Cello Tuner

One-time1
  • All Function&No Ads$0.99

Questions

Is Tuner+ free?
Tuner+ is free to download, with in-app purchases available.
Is Cello Tuner free?
Cello Tuner is free to download, with in-app purchases available.
Which has better reviews, Tuner+ or Cello Tuner?
Tuner+ is rated higher. Tuner+ averages 4.7 out of 5 from 1.1K ratings, while Cello Tuner averages 3.8 from 17 ratings.
Do Tuner+ or Cello Tuner have ads?
Both Tuner+ and Cello Tuner show ads.
Which is updated more often, Tuner+ or Cello Tuner?
Tuner+ ships an update every 6 months, and Cello Tuner monthly. Most recently, Tuner+ was updated on October 16, 2026 and Cello Tuner on October 16, 2026.

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