Tune musical instruments (guitar, violin, viola, bass, piano, cello, flute and many more) with this simple chromatic tuner. Tuner T1 also comes with a handy Tone Generator that plays any musical note as a ​reference for tuning. A must-have tool for musicians.

• Simple to use with all the essential features.
• Extremely accurate (can be tuned to an accuracy of ±0.1 cents).
• Tone generator that can generate reference tones over a note-range of 3 octaves.
• Ability to set the frequency of A₄ (for tunings where A₄ is not 440 hertz).
• Option to set detection latency - By setting a lower latency value, pitch detection will be faster. This works great for cases like vocal practice. By using a higher latency, pitch detection will not respond to momentary unintended sounds and noise (works great for instrument tuning).

What’s New

Version 4.15

Thank you for all your valuable feedback! We have made changes so that the live graph now behaves similar to the older version of Tuner T1 when Continuous Display is turned off under options.

Ratings and Reviews

4.4 out of 5
2.8K Ratings

2.8K Ratings

Yooshi54 ,

Good but major un-functional low side of piano

This app is great, it is very very accurate with my piano but sadly the tuner cannot track anything lower than A2 of my piano. A little bit too for the high notes you only get to see like 1.5 secs of how much is out of tuned so you can’t really see it for sure. All I need out of all this is the A2 and lower fixed pls. I would pay if this is on the paid app. Plz fix and I will consider upgrading.

Developer Response ,

Thank you for the review. Please check our other app, Bass Tuner BT1 that is optimised for tuning low frequencies.

bassnbud ,

Best tuner for classical wind players

I am a bassoonist in one of the top 5 US orchestras.
The latest version of this app is my favorite tuner. (I’ve tried many.) Much easier to read with continuous display disabled (set with a toggle in the settings). The graphic line gives an excellent representation of your general pitch, the general stability of your tone, and you quickly learn what a preferred vibrato looks like, too. When trying alternate fingerings, it is much easier to see the real general pitch of a fingering compared to another fingering than any other type of display I’ve seen (Korg-like needles etc.). There were some adjustments made over previous versions, and it now picks up very well the full range of the bassoon (many tuners get confused in the low notes).

g•e•c•k•o ,

Not worth the money

I paid $2 for this app after my friend recommending it to me. My microphone is halfway broken, it works with some apps but not others, so when the app couldn’t recognize that I was playing, I wasn’t surprised.
Since I had paid money for theirs app, I decided to restart my phone, and then it worked perfectly! I have to restart my phone every time I want to tune my violin, which is time consuming and annoying.
I don’t think my phone is the problem, because the app works perfectly after I restart my phone. I really like the way this app works, but if I always have to restart my phone, I think I’m going to have to use a different app.

App Privacy

The developer, JSplash Apps, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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