TN-1G

[icon]

What's New!

November 22, 2025 v2.9.4 released.

Outline

TN-1G is tuning meter for guitars. It's easy and correct.
You can tune your guitar, Standard, Half Step Down, Full Step Down, 1&1/2 Steps Down, Drop-D, Double Drop-D, Drop-G, Drop-C, Drop-C&G, Drop-C(another set), Open D, Open E, Open E7, Open Dm, Open Em, Open Em7, Open Dmaj7, Open Dadd9, Open G, Open A, Open A(another set), Open Gm, Open Am, Open Am7, Open G7, Open Gmaj7, G6, Dsus(DADGAD), Open C, C6, Open F, F6, Taro Patch, G Wahine, Leonard's C, C Major(Atta's C), Keola's C, Mauna Loa, Old Mauna Loa, Dmaj7 Wahine, F Wahine, Double Slack F, Modal G(Gsus), Open C, Open C#, Open Cm, C Spanish, and Perfect 4th.

You can change standard pitch-A between 438Hz and 445Hz.

TN-1G has the tuning fork that emits a pitch corresponding to each string.
To make a sound, please tap the image of the tuning fork. By tapping again, you can stop.

    Permissions

    RECORD_AUDIO: It is necessary to use the microphone.
    INTERNET: It uses to show webview.
    AD_ID: It uses to show ads.

    Tested devices

    Pixel 7a [Android14]
    Xperia1(SO-03L) [Android11]
    *This doesn't guarantee successful normal operation. Please note.

    Reported devices to work.

    Arrows Z in (ISW13F) FUJITSU, proximity sensor does not work properly has been reported.
    In menu [Manual Mode Setting], turn off the checkbox `Proximity sensor works` please.

    Release history

    November 22, 2025, v2.9.4 released.

    Update some libraries.
    July 21, 2025, v2.9.3 released.
    Update some libraries.
    July 15, 2024, v2.9.1 released.
    Update some libraries.
    May 16, 2024, v2.9.0 released.
    Add a function for capotasto.
    July 13, 2023, v2.8.3 released.
    Fix some layouts.
    November 1, 2021, v2.8.2 released.
    Update some libraries.
    August 19, 2021, v2.8.0 released.
    Update some libraries for in-app purchases.
    November 27, 2020, v2.7.5 released.
    It made the ad on the tuning list smaller.
    October 20, 2020, v2.7.4 released.
    Fix a bug about screen displaying.
    September 16, 2019, v2.7.3 released.
    Minor bug fixes.
    July 26, 2019, v2.7.1 released.
    Improve performance on auto-mode.
    March 22, 2019, v2.6.3 released.
    Fix for Android P.
    December 5, 2018, v2.6.2 released.
    Some image parts fix.
    November 12, 2018, v2.6.1 released.
    Minor bug fixes.
    November 9, 2018, v2.6.0 released.
    You can permute tuning sets in the menu.
    October 11, 2018, v2.5.4 released.
    Fix some bugs.
    Update some library.
    February 3, 2018, v2.5.2 released.
    Fix ad banner due to the suspension of native ads.
    September 22, 2017, v2.5.1 released.
    Minor bug fix.
    Some libraries updated.
    July 12, 2017, v2.5.0 released.
    Added Welcome Tutorial to menu.
    May 31, 2017, v2.4.6 released.
    It improves a function of the meter.
    May 6, 2017, v2.4.5 released.
    It improves a function of the meter.
    April 12, 2017, v2.4.4 released.
    The setting of cent gauge has added to the menu.
    April 4, 2017, v2.4.3 released.
    The display of the meter needle was improved.
    April 3, 2017, v2.4.2 released.
    Fix some images.
    November 3, 2016, v2.4.1 released.
    Added tuning set list on drawer menu.
    September 14, 2016, v2.3.0 released.
    Change the indicator on the meter.
    Update some library.
    August 27, 2016, v2.2.1 released.
    Fix some images.
    August 16, 2016, v2.2.0 released.
    Added drum machine function.
    July 8, 2016, v2.1.2 released.
    Fix help file.
    July 7, 2016, v2.1.1 released.
    Fix some images.
    June 20, 2016, v2.1.0 released.
    Add cent-gauge.
    June 1, 2016, v2.0.0 released.
    Added remove ads function(in-app purchase).
    August 14, 2015, v1.8.0 released.
    Added note notation menu.
    November 1, 2014, v1.7.1 released.
    Update some library.
    April 26, 2014, v1.7.0 released.
    Background of Main Screen can be changed.
    April 3, 2014, v1.6.4 released.
    Added tuning sets, Modal G(Gsus), Open C, Open C#, Open Cm, C Spanish, Perfect 4th.
    February 17, 2014, v1.6.3 released.
    Added tuning sets, Leonard's C, C Major(Atta's C), Keola's C, Mauna Loa, Old Mauna Loa, Dmaj7 Wahine, F Wahine and Double Slack F.
    Changed displaying target frequency in manual mode.
    Changed some images on the screen.
    January 23, 2014, v1.6.0 released.
    Added tuning sets, Open C, C6, Open F, F6, Taro Patch and G Wahine.
    January 15, 2014, v1.5.3 released.
    Added tuning sets, Drop-C, Drop-C&G, Drop-C(another set), Open E7, Open Em7, Open Dmaj7, Open Dadd9, Open A(another set), Open G7 and Open Gmaj7.
    January 2, 2014, v1.5.1 released.
    Added tuning sets, Full Step Down, 1&1/2 Steps Down, Double Drop-D, Drop-G, Open E, Open Dm, Open Em, Open A, Open Gm, Open Am, Open Am7 and G6(DGDGBE).
    December 27, 2013, v1.5.0 released.
    Added auto mode(one octave higher).
    Added a feature for a manual mode that changes string-button by covering a device by hand.
    December 20, 2013, v1.3.1 released.
    Added auto-mode function.
    Some parts layout is changed.
    Some tuning set names are changed.
    December 6, 2013, v1.2.4 released.
    Added tuning sets, Open D, Open G and DADGAD.
    December 3, 2013, v1.2.3 released.
    Known bugs(BUG-TG-0001) is fixed.
    November 29, 2013, v1.2.2 released.
    Fixed some bugs.
    November 28, 2013, v1.2.1 released.
    Added function that changes the reference pitch.
    November 25, 2013, v1.1.1 released.
    Fixed some bugs.
    November 23, 2013, v1.1.0 released.

    Known bugs

    BUG-TG-0002: In some models(e.g. Xperia E4g), there is a report that the meter needle is not displayed.

    It is currently under investigation.
    BUG-TG-0001: Pitch detection of 6th-string is unstable.
    Bug fixed version 1.2.3 is released.

How to use TN-1G.

FAQ

Q. The pitch meter is jerky. I cannot tune my guitar well.

A. Please try to Manual-Mode. And twang harmonics(flageolet tones) on 12th-fret. May result in a smooth movement.

Q. I cannot put a check in the checkbox of `Proximity sensor works`.

A. This feature is disabled on devices that do not have a proximity sensor.

Privacy Policy

This Privacy Policy covers your use of this application.
This app does not collect, store, or share any personal information, or anything related to your device. We do not collect any statistics, trends, neither do we track user movements.
The app allows you to open web URLs from the application. The URLs might be saved by internet browsers on your device.
For information regarding the information stored by the application, please read the privacy policy of the internet browsers on your device.
Also, this app displays advertisement by AdMob. In this Privacy Policy, please refer to Privacy Policy by Google.

to You.

Thank you for the download.
If you enjoy using this app, would you mind taking a moment to rate it in GooglePlay?
And please send us any comments, bug reports, English mistakes, and suggestions. When you contact me, please send mail to info@blowbend.jp.
Also, you may not necessarily be able to answer to additional feedback from you. Your understanding is requested.
Thank for your support.
© 2013 Blowbend.jp
All Rights Reserved.

TN-1G

How to tune your guitar.

1. First, please check the settings of TN-1G.

Look at the meter.
You are unable to see `Capo: `, are you?

[howto capo]

If you see `Capo: `, press here.
[howto capo2]

Select `none`, and press `Save`.
[howto capo3]


Look at info-window in the center of the screen.
Standard Pitch: Can you see `A440`?
Tuning set: Can you see `Standard`?
[info window]

You can change the setting of the standard pitch here.
[set ref pitch]

You can change the setting of tuning set here.
[set tuning set]

2. Turn to Manual-Mode.
[manual mode]
You can turn to Manual-Mode by tapping the button a few times.

3. Tap the button on the far left. Then selected E-string.
[select 6th]


4. Please pick the E-string(thickest string) of your guitar.

Take care to not sound other strings.

5. Look at the meter.

[meter too low]
The sound of your guitar is too low against target pitch. Wind the tuning peg up slowly that until the needle points to zero.

[meter low]
The sound of your guitar is low against target pitch. Wind the tuning peg up slowly that until the needle points to zero.

[meter too high]
The sound of your guitar is too high against target pitch. Loosen the tuning peg to that the needle is to come to the left of zero once back, and wind up the tuning peg slowly that until the needle points to zero.

[meter high]
The sound of your guitar is high against target pitch. Loosen the tuning peg to that the needle is to come to the left of zero once back, and wind up the tuning peg slowly that until the needle points to zero.

Note.
When the sound of the guitar is higher than the target pitch (or gone to the right side over zero), loosen the strings once. You make the needle that matches to zero by while winding up. By doing so, the string does not loose easily, and the pitch will stable.
[loose and wind up]



[meter in tune]
Since the needle is pointing to zero, the pitch is in tune with the target.

IMPORTANT.
Octave higher from target pitch, and in pitch of octave lower, the needle points 0. From this, TN-1G displaying `too high`, and pitch of your guitar is further increased, the meter will be displayed as `too low`.
For this reason, you wind up the string, is very dangerous that break a string, even if meter displayed as `too low`. If you're a guitar beginner, then it is necessary that people who can well to tuning your guitar. Please use TN-1G only to fine-tune.

6. In the same way, tune from A-string to high-E-string.


7. After tuning up to high-E-string, back to the E-string, Please check up to high-E-string.
[check again]
In all strings, the meter needle to the point to 0, please repeat tuning. Depending on the strength of the neck of your guitar, or the gauge of the string set, you may need to be repeated many times.

8. In all strings, the meter needle points to zero. Tuning is complete.

A guitar is a musical instrument that will be off pitch eased. You need to tune always before you play.
© 2013 Blowbend.jp
All Rights Reserved.

TN-1G

Main Screen

[main screen]

(1). Pitch Meter:
Target pitch is the point of zero.
Needle to indicate zero, tune by winding a tuning peg.

(2). Information of Note:
Displays tuning set name and frequency of target note.

(3). String Buttons:
From left, E, A, D, G, B, high-E string.
On auto-mode, these buttons become an indicator of detecting string.

(4). Mode Button:

[auto button off]
Off mode:

[auto button manual]
Manual Mode: You switch target string by string-button.

[auto button on]
Auto Mode: You switch target string automatically.
You cannot use harmonics on 12th-fret.

[auto button on 8va]
Auto Mode(one-octave higher): You switch target string automatically.
This is auto-mode for harmonics on 12th-fret.

(5). Tuning Fork:
The sound is when you tap. The sound will stop when you tap again.

(6). Volume of a Tuning Fork:
The volume of a tuning fork is divided by notes.
There is only one slider, but it is independent of each string, please use each string is adjusted to be in moderate volume.

(7). Cent Gauge:
It indicates the pitch in cents. One scale mark will correspond to 1 cent.
Once you buy `Premium Upgrade`, you can use this feature.

[cwnt gauge]

(8). Drum Machine:
It will transition to Rhythm Pattern List Screen.

(9). Capotasto:

[main screen2]

(10). Tuning Sets:



[main screen3]

(11). Standard Pitch:
It will transition to Standard Pitch dialog.

(12). Note Notation:
It will transition to Note Notation dialog.

(13). Cent Gauge Setting:
It will transition to Cent Gauge Setting dialog.
This is a feature of Premium Upgrade.

(14). Manual Mode Setting:
It will transition to Manual Mode Setting dialog.

(15). Background:
It will transition to Background dialog.

(16). Ordering Tuning Sets:
You can permute tuning sets in the menu.

(17). Buy `Premium Upgrade`:
You can buy `Premium Upgrade` by in-app purchase.

(18). Help:
This page you are looking at now is displayed.

(19). About:
It will transition to About dialog(information about the version).

© 2013 Blowbend.jp
All Rights Reserved.

TN-1G

Manual Mode Setting

[manual settings screen]

(1). Proximity Sensor Works:
On Manual-mode, switch target string by press string-button.
If you check this checkbox, it is possible to select right side button by moving your hand closer to the device.

[touch]
This feature is used proximity sensor. In many cases, the proximity sensor is located near the earpiece. Close your finger to the earpiece, this feature works.

[check again]


This feature is disabled on devices that do not have a proximity sensor.
[no sensor]
© 2013 Blowbend.jp
All Rights Reserved.

TN-1G

Rhythm Pattern List

[rhythm pattern list screen]

(1). Add Rhythm Pattern:
New rhythm pattern is added the end of a list.

© 2013 Blowbend.jp
All Rights Reserved.

TN-1G

Drum Machine

[drum machine screen]

(1). Name:

(2). Beat Selector:
You can select the number of items in a beat.

(3). Tempo(BPM):

(4). Start/Stop:

(5). Length of Pattern:
You can set the length of a beat pattern cycle between 4 and 32.

(6). Beat Indicator:

(7). Tracks:
From the top is closed hi-hat, half closed hi-hat, snare drum, bass drum.

(8). Tempo Button:
You can change the tempo(BPM).

(9). Delete Rhythm Pattern:
© 2013 Blowbend.jp
All Rights Reserved.