Comparison

Mandolin Tuner vs Keep Black

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

Head to head
About

Mandolin Tuner

This utility app provides accurate tuning notes for the mandolin, covering the standard G, D, A, and E strings. It's designed to help musicians quickly and easily achieve the correct pitch for their instrument.

Highlights
  • Plays tuning notes
  • Standard mandolin tuning (G D A E)
  • Easy to use
Features
Read full description

Get your mandolin in tune fast with precise reference notes for standard tuning (G D A E).

About

Keep Black

Read full description

Turns your TV display output to complete black so you can keep playing music or podcasts while your display shows nothing. FEATURES - Black screen to save your eyes and the environment from unnecessary visual clutter when you are listening to music or podcasts. - Prevents the screen saver from kicking in while the screen is turned to black. This is similar to a screen saver, but also prevents the default screen savers from kicking in. - Continue to listen to audio in the background with Apple Music, Spotify or Tidal. Works with any other that supports music or audio playback. - A blinking visual indicator that can be turned on as needed with a timer feature. - Move the application to the top shelf for an elegant black background for your Apple TV home screen. - Minimalistic user interface and settings HOW TO - You can also show a green blinking indication to identify that the application is still active. It can set to a time duration as well. Settings related to this feature can be changed by changing the settings at Settings > Apps > Keep Black. - To exit the app, simply press the menu or the home button on your Siri remote. - This app also prevents the Apple TV from sleeping while active, so please make sure you are turning it off when you are done watching. - Notification overlays will continue to show while in the application. To disable them, please goto Settings > Apps > TV, find the notifications section and disable notifications. WORKS GREAT - On OLED, LCD and QLED displays made by Samsung, LG, Sony, Philips, Vizio, Panasonic and also displays that support true blacks with HDR. - On Projectors made by Xiaomi, Epson and BenQ and others. - Other displays such as external monitors being used as the output device on Apple TV with HDMI.

Screenshots

Mandolin Tuner1 screens

Verdict

The call

The clearest difference is price: Mandolin Tuner at Free against Keep Black's $1.99. Mandolin Tuner also leads on device support (3 vs 1). Keep Black's advantage is ads (none vs shown). On in-app purchases and iOS requirement 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

Mandolin Tuner is free to download; Keep Black costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 7 level
Mandolin Tuner versus Keep Black: the parameters behind the verdict, then further details
ParameterMandolin TunerKeep Black
PriceFree — better$1.99
Rating4.5 (783 ratings) — better—
Positive reviews60.5% of reviews—
Number of ratings783 — better—
Update frequencyEvery 16 months—
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betterApple TV
Requires iOS15.014.0 — better
Further details — not scored
Size30 MB0 MB
Age rating4+4+
DeveloperAlvin YuBhagya Silva

Bugs and requests

Mandolin Tuner

Reported bugs

3 issues
  • App not working or providing inaccurate tuning
  • Ads covering the buttons and causing accidental clicks
  • Compatibility issues with newer devices

Requested features

4 requests
  • Option to turn off ads
  • Larger buttons for easier use
  • Support for alternate mandolin tunings
  • Display the note being played

Keep Black

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mandolin Tuner

No in-app purchases

None

Keep Black

No in-app purchases

Questions

Is Mandolin Tuner free?
Mandolin Tuner is free to download, with no in-app purchases.
Is Keep Black free?
Keep Black costs $1.99, with no in-app purchases.
Do Mandolin Tuner or Keep Black have ads?
Mandolin Tuner shows ads; Keep Black does not.

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