Comparison

Double Bass Tuner Basic vs XTuner PRO

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

Head to head
About

Double Bass Tuner Basic

Instantly tune your double bass with professional accuracy. Ideal for orchestral, jazz, classical, and studio musicians, it offers precise pitch frequency display and intuitive visual feedback. Includes a tuning fork and advanced settings for enhanced functionality.

Highlights
  • Displays exact pitch frequency in Hz
  • Adjustable A4 temperaments
  • Tuning fork included
  • Exceptional sensitivity for low frequencies
  • LED tuning indicator
  • Tuned string lights up automatically
Features
Read full description

Tune your double bass (contrabass) instantly with professional accuracy! Perfect for orchestra, jazz, classical, and studio musicians. • Displays exact pitch frequency in Hz • A4 temperaments from 392Hz–466Hz • Includes tuning fork & advanced settings (IAP) • Exceptional sensitivity for low-frequency instruments • LED tuning indicator for intuitive visual feedback • Tuned string lights up automatically • Universal app for iPhone & iPad Allow microphone access: Settings > Privacy > Microphone. Questions? feedback@daikyoujulabs.com

About

XTuner PRO

Features
Read full description

Precision, free tuner for the guitar or other musical instrument Over 250 tunings for 14 instruments like guitar, ukulele and less popular like banjo or cello Designed and tested by professional musicians Perfect both for professionals and beginners Three modes: auto tune, manual and chromatic Perfect Tuner is an easy-to-use free mobile application with which you will be able to tune your guitar or other music instruments quickly. It has 250+ types of tunings. Our tuner includes sets of sounds characteristic of different types of instruments. With our Perfect Tuner app you can tune electric guitar and bass guitar. The sounds for our application were recorded by professional musicians using cello, violin and more. Sounds that cannot be generated by a musician have been created synthetically. Our guitar Tuner offline will also appeal to those who play the double bass or viola, and thanks to the chromatic tuner, those who play the mandolin and bouzouki will also be satisfied. What is the most important: it is a free tuner. Perfect Tuner contains a set of useful tools like metronome and chord library (for ukulele and guitar). The algorithm in the guitar tuner offline app has been prepared for the most effective recognition of instrument sounds, even unusual ones like cavaquinho and banjo. To get the auto tune result, play the sound several times. Perfect Tuner app for instruments has three modes: auto tune, manual and pro - chromatic tuner mode. If you play violin or looking for ukulele tuner – this tuning app will be perfect for you! 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. Tune your music instrument like a professional (with frequency): • Guitar tuner: you can choose between 6 string, 7 string and 12 string tunings like Open G tuning or drop d tuning • Bass guitar tuner: you can choose between 4 string and 5 string • Ukulele tuner: you can find C6 or D6 and more • Viola: tuner standard tuning • Violin tuner: standard tuning, Open D and more • Cello & fiddle • Mandolin & domra tuner • Banjo tuner: you can find 4- string and 5- string • Balalaika & cavaquinho • Chromatic tuner 250+ tunings • Standard • guitar tuning: Drop-D, Drop-C, Drop-A, & more • Other drop tunings • Open tuning Features in the tuning app: - recordings of real sounds of guitar and ukulele - sets of strings characteristic for different types of guitars, - the ability to set the frequency of sound "a" (concert pitch) in Hz (herz), - chromatic tuner, - the ability to determine the deviation from the base frequency in cents, - instrument head view (like guitar or violin), - 250+ professional tunings - ability to set frequency filter - useful music set for all guitars (electric guitar and acoustic guitar) - custom tuning – choose sounds (note) for guitar, for violin and more - auto tune and manual mode - professional frequency settings – choose the concert pitch in Hz and transposition - works offline If you would like to have version of the free tuner with no ads, you can buy a subscription. If you have any problems with 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/

Screenshots

Double Bass Tuner Basic4 screens
XTuner PRO4 screens

Verdict

The call

The clearest difference is update cadence: Double Bass Tuner Basic at every 2 weeks against XTuner PRO's every 2 months. XTuner PRO's advantage is iOS requirement (12.0 vs 15.6). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Double Bass Tuner Basic sells 5 one-off in-app purchases and XTuner PRO sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Double Bass Tuner Basic ships an update every 2 weeks, XTuner PRO every 2 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Double Bass Tuner Basic versus XTuner PRO: the parameters behind the verdict, then further details
ParameterDouble Bass Tuner BasicXTuner PRO
PriceFreeFree
Rating4.2 (190 ratings) — better—
Positive reviews31.6% of reviews—
Number of ratings190 — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size12 MB63 MB
Age rating4+4+
DeveloperPedro Daniel Macalupu CumpenNETIGEN Kluzowicz sp. j.

In-app purchases

5 purchases

Double Bass 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
2 purchases

XTuner PRO

Subscriptions1
  • 1 week subscription + trial3 Days trial$3.997 Days
One-time1
  • Forever one-time payment$19.99

Questions

Is Double Bass Tuner Basic free?
Double Bass Tuner Basic is free to download, with in-app purchases available.
Is XTuner PRO free?
XTuner PRO is free to download, with in-app purchases available.
Do Double Bass Tuner Basic or XTuner PRO have ads?
Both Double Bass Tuner Basic and XTuner PRO show ads.
Which is updated more often, Double Bass Tuner Basic or XTuner PRO?
Double Bass Tuner Basic ships an update every 2 weeks, and XTuner PRO every 2 months. Most recently, Double Bass Tuner Basic was updated on September 21, 2026 and XTuner PRO on September 10, 2026.

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