Designed & Published By Peterson Tuners

  • App Category: Music
  • Release Date: 2009-03-31
  • Current Version: 2.96
  • Adult Rating: 4+
  • File Size: 5.35 MB
  • Developer: Peterson Tuners
  • Compatibility: Requires iOS 11.0 or later.
  • App Ratings:
    4.5/5 ( 642 Reviews)
  • Price:
iStroboSoft App Ratings: 4.5
Based on 642 Reviews

iStroboSoft App Description

Usage questions? ***Please contact us before posting an issue in the reviews.*** Peterson Support at or call 708.388.3311 M-F 8am-5pm (CST) TRUSTED BY PROFESSIONALS FOR OVER 70 YEARS. ---iStroboSoft for iOS--- Peterson Strobe Tuners' popular StroboSoft tuning application for the iPod touch® and iPhone™. iStroboSoft™ offers the unmatched accuracy of a mechanical strobe tuner for the highest degree of precision available in a software tuning application. Plug in and tune your electrics and acoustics quickly and easily with 1/10th cent accuracy. Peterson Tuners has offered tuning solutions for over 65 years and is the only company specializing in hardware and software tuning products for all levels of musicians. FEATURES: • Stand-by mode to reduce battery usage or freeze the display. • Guided Mode Tuning offers an alternate strobe display that slows the strobe bands one-by-one as you come closer to tune. • Speed control for strobe display; dampen the response for a longer note display. • 12 Temperaments with adjustable root control. • Display all sharps note display. • Assisted Low Note Detection (ALND) helps capture very low frequencies. • Mains hum filter option reduces the chances of the tuner latching on to 50 or 60Hz cycle hum when using a direct line-in connection or while using the app during device charging. • Smooth, real-time strobe display allows you to achieve an unmatched level of accuracy. • Note/Octave window displays the correct note and octave for the note being tuned. • Cents display allows you to see how far out of tune your note is in cent values. • Tune in auto or manual mode. • Toggle the display to show: cents, Hz, MIDI note value for the note being tuned. • Glowing flat/sharp indicators assist when tuning a note very far from the target position. • Noise filter: Use the noise filter when utilizing an external mic or clip-on tuning device to help reduce the effect of extraneous environmental noise during tuning. • Input boost: The input boost will raise all input frequencies by +24dB. • Calibration mode: iStroboSoft can be calibrated to an external source guaranteeing 1/10th cent accuracy. • Drop/Capo mode: iStroboSoft will auto-transpose notes up or down to one full octave. • Adjustable Concert A: Change the Concert A reference of the tuner to accommodate tuning to a fixed instrument, such as a piano, or tune instruments that do not utilize the typical Western A440 reference. • Full screen mode permits the strobe display to be maximized on screen to allow better viewing from a distance. • Change strobe display colors to accommodate different lighting environments or set a preferred user color for those with limited color palette recognition. Use the built-in mic on your device for tuning or connect directly via the headphone jack using an approved adaptor cable or interface. Devices without a headphone jack can connect a pickup or mic using the lightning-to-audio adaptor. Optional adaptor cable for direct line-in access as well as mini capsule microphone available from Peterson. Support via email at: or call 708.388.3311 M-F 8am-5pm (CST)


iStroboSoft App Screenshots

App Reviews

  • Good

    By jendkngfid dj
    The icon for the app is black and white but i cant make the tuner black and white. I thin im just being nitpicky though
  • HELP!

    By Jonnie Axtell
    Sorry for the three star review, I love this app, I have forever… But I can't get to my Buzz Feiten sweetener, with the new update it's too high off of the screen. I can see it there but it won't respond to a touch because there's only a sliver of it visible.
  • iOS 11-only?!

    By esxmac
    Latest version requires iOS 11-only?! At least I didn't waste any money on in App purchases...
  • Excellent

    By Cui Bono?
    [Rig: iPhone 4 / iOS 7.1.2] Excellent, accurate tuner.
  • If only...

    By Ron’s Songs
    Wonderful tuner just as are all their products - in my experience. It might be perfect, if only they had included their sweetened tunings for Pedal Steel.
  • Some issues when used with line-in

    By N2LLC
    When used with a line-in adapter, you may need to close and restart the app. Otherwise, the mic stays on and the app can't get accurate input. This may have something to do with iPad going to sleep hole the app is in the foreground. A bit annoying since I do use this at work, and it requires repeated restart.
  • Best tuner app period!

    By roger45365
    This is the best easiest to visually pin point tuning app out there period. I would give it 5 stars but at times it does display wrong note your are running, just pluck again.
  • Fantastic tuner

    By ts532
    This tuner is fantastic. It's incredibly accurate. That being said, it's not meant to be used in a venue setting, the iPhone microphone isn't good enough to filter out ambient noises, but easily fixed with an input cable. Great app
  • Accurate and precise!

    By dclayburn
    Very pleased with the accuracy. I can really hear and feel the difference! The clip on feature is a great option for noisy situations. I can never go back to regular chromatic/needle tuners!
  • Best tuning app I've tried

    By loondoo
    Have been a long time fan of the Peterson line of strobe tuning apps and of Peterson's "sweetened" tunings. But must say that the I find the layout of the app to be my favorite above all of the other Peterson tuners. Aside from the very sharp and visible stroke display, I especially appreciate them listing how many cents your instrument is off from the desired tuning. Having the cents along with the strobe takes the iStrobo-Soft app over the top for me. Add to that the different tunings for almost every conceivable eclectic instrument makes iStrobo-Soft the one to get.