Guitar Tuner - Ukulele & Bass
DoubleTune: Tune Violin & More
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Description

DoubleTune is an advanced tuning app created by professional musicians. It’s suitable for tuning a range of string musical instruments, learning new chords and refreshing your memory of already-learned ones. Competitive educational games are equally useful for beginners and mastered guitar players. One way or another, DoubleTune is a must-have app for any musician.

Made by experienced guitarists, it is simple, fast, intuitive and accurate. It’s perfect for tuning acoustic, electric and bass guitars, along with ukulele, banjo, violin and cello.

- Choose between a range of tuning presets and modes:
- Tune Guard™;
- Standard and Popular tunings (6 and 12 strings);
- Drop and Double Drop;
- Open, Modal and Lower;
- Ukulele tunings;
- Bass guitar tunings;
- Chromatic tuner;
- Auto and Manual modes;

Tune Guard™ is a smart feature that helps you tune safely. It warns you with both visual red signal and string highlighting when this string is too tight and is about to break. The mode is designed to help beginners and inexperienced musicians save their strings, time and money.

You can easily tune:
- Electric and Acoustic guitars;
- Western and Classic guitars;
- Bass 4 and 5 strings;
- Ukulele;
- Violin;
- Cello;
- Mandolin;
- Viola;
- Balalaika;
- Banjo;
- And any other string instruments.

Get the most out of DoubleTune games:
- Learn chords! Hone your skills and get familiar with many of common chords. These entertaining games focus on chords and chord diagrams. You can easily transfer this experience to real guitar playing!
- Ear training. Learn basics of guitar music theory in a fun way. Master your musical hearing and chord recognition ability with the help of quizzes.
- Stay competitive and try to get the best score in less time!

Great for professional and beginner guitarists! Enjoy tuning your instruments at the astoundingly high level.

The app contains the following subscription options:
- Weekly with a 3-day free trial at $3.99;
- Yearly with a 7-day free trial at $21.99;
- Weekly with a 30-day free trial at $3.99;
- Music One weekly subscription with a 3-day free trial for 9.99/weekly;
- Music One yearly with a 7-day free trial at $59.99;
- Monthly at $14.99.
- Payment will be charged to iTunes Account at confirmation of purchase.
- Subscription automatically renews unless auto-renew is turned off at least 24-hours prior to the end of the current period.
- The account is charged for renewal within 24-hours before the end of the current period.
- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase.
- The cost of renewal is equal to the value that “Apple’s App Store Matrix” determines as the equivalent of the subscription price in $USD.
- Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.
- You can subscribe for unlimited access to our PRO services:
* Tune Guard™ for safe tuning;
* all instruments;
* all games.

Privacy Policy: https://gismart.com/privacy-policy/
Terms of Service: https://gismart.com/terms-of-service/

*Price are equal to the value that "Apple's App Store Matrix" determines is the equivalent of the subscription price in $USD.

* Tune Guard™ feature does not guarantee 100% safely tuning. Gismart Ltd. takes no responsibility for causing any damage to your strings.
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In-Apps

Guitar
£2.99
Ukulele
£2.99
Music One
£9.99
All In One
£5.99
12-String Guitar
£2.99
Try accurate Tuner
£22.49
Try an accurate Tuner
£3.99
Annual Premium Subscription
£63.99
Monthly Premium Subscription
£15.99

Screenshots

User Rating

4.27 out of 5

1,552 ratings in United Kingdom

5 star
1,095
4 star
190
3 star
55
2 star
22
1 star
190

Ratings History

Reviews

Why the subscription?

Power Pizza! on

I know you need to make money but why so much? I just wanted to use the app without the subscription to tune my ukulele. But I can’t use the app without the subscription! So I had to delete the app and find a new app to tune my ukulele.

good app fatal payment system

Sebalberico on

nice app, but that "monthly payment" is crap. hope this app back as use to be update: now tou can skip this suscription BUT the tuner itself is crap..you can play G string and for the app it is the E … and so on.years ago this app worked as a charm

Don’t download!

Belfastscot on

I downloaded the free version of this app, but as soon as you disable the ‘free trial’, you don’t even get a confirmation before you are charged £7.99. The developers are conning people that downloading this app, and I’m having a hard time getting my money back, so steer well clear!

Total rip off

MLHT99 on

I bought the original app - and then a year later … I am without notification put onto a £10.48 weekly subscription. I have never seen anything like it

Wrongfully charged

!:'a on

Had a subscription to the premium version of this app, cancelled it before charging began, and still charged me.

New paywall after years of use

Batmans neighbour on

Used to be free with add-ons if you wanted. Now forces you to pay £7.99 a week for a bunch of apps you will never use. £8 a year I’d consider, but for something that you can get free anywhere else it’s silly really. Money grabbers.

This used to be free

jonsonshine on

I’ve accidentally paid £8 for this arrrrrrrrgh

Great app but just stopped working!

qilbo on

I love this app and it has proved very useful during the pandemic as I could no longer tune my young students’ guitars before lessons. I put my iPad with Guitar Tuner open in front of them and they were able to tune their own guitars (with guidance) However, a couple of weeks ago the app just stopped working. It won’t open. The Gismart page comes up, hangs around for ages and then the app crashes! Very frustrating! I’ve updated regularly so I don’t understand it.

Subscription - outrageous

TT ACE 123 on

This app was great, but now it wants £7.49 per week subscription. Are you out of your mind ?

Works fine

No26323dhcdgn on

Does what it needs to

Store Rankings

Ranking History

Category Rankings

Chart
Category
Rank
Top Grossing
14
Top Grossing
17
Top Grossing
22
Top Grossing
23
Top Grossing
28

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App Info

Category
Music
Publisher
Gismart Ltd
Languages
English, French, Italian, Japanese, Norwegian Bokmål, Portuguese, Chinese, Spanish, Swedish, Thai
Recent version
4.33 (1 year ago )
Released on
Jul 7, 2013 (11 years ago )
Last updated
2 days ago