Do you need to check which pitch you are playing on your band instrument?
Or if the note is being played in tune?

Check out TUNER NINJA (old).

** Tuner Ninja — works properly in CHROME browser **  be careful — there are pop-up ads
iOS devices — BandMate Chromatic Tuner app (free) may work better for you

Allow microphone access on your device.

FLUTE / BARITONE / TROMBONE

• click TUNER — start playing to check your pitch.

CLARINET / BASS CLARINET / TRUMPET

• click SETTINGS — under TRANSPOSITION, select Bb3 (notice your instrument is listed)
• click TUNER — start playing to check your pitch.

TENOR SAXOPHONE

• click SETTINGS — under TRANSPOSITION, select Bb2 (notice your instrument is listed)
• click TUNER — start playing to check your pitch.

ALTO SAXOPHONE

• click SETTINGS — under TRANSPOSITION, select Eb3 (notice your instrument is listed)
• click TUNER — start playing to check your pitch.

FRENCH HORN

• click SETTINGS — under TRANSPOSITION, select F3 (notice your instrument is listed)
• click TUNER — start playing to check your pitch.