USD 9.99

3.00for iPhone, iPad and more
234 Ratings
Peterson Tuners
5.3 MB
Update Date
in Music
Age Rating
Age Rating
Apps in this category do not contain restricted content.
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.
لقطات الشاشة لـ iStroboSoft
iStroboSoft الملصقiStroboSoft الملصق
iStroboSoft الملصقiStroboSoft الملصقiStroboSoft الملصقiStroboSoft الملصقiStroboSoft الملصق

About iStroboSoft

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)


---iStroboSoft for iOS---
Peterson Strobe Tuners' popular StroboSoft tuning application for iPhone and iPad. 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 70 years and is the only company specializing in hardware and software tuning products for all levels of musicians.

• 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.

Support via email at: or call 708.388.3311 M-F 8am-5pm (CST)
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تحديث لأحدث إصدار 3.00

Last updated on 27/10/2023
الإصدارات القديمة
• Fixes auto-lock issues with iOS17.
• Various bug fixes and improvements.
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Version History
• Fixes auto-lock issues with iOS17.
• Various bug fixes and improvements.
• Update for iOS 17
• Display update for fullscreen view on current generation hardware
• Audio engine optimization
• Various bug fixes
This app has been updated by Apple to display the Apple Watch app icon.

fix a bug introduced in last release that broke access to some settings items.
reinstate backwards IOS support to 8.1
- Optimized for iOS 11
- Fixed UI issues
2.94 removed support for < iOS9 - this should reinstate it.
Support for iOS11
Some bug fixes.
bug fix for tuning issues after receiving call on some devices.
Fix issue on iPad with fine tune bar z-order.
UI bug that corrupted the Concert A/ Transpose bar hopefully fixed on all platforms
Fixed some UI bugs introduced in 2.8
Removed PitchGrabber link.
Fix broken Input Boost
minor bug fixes
Minor but annoying bug fix.
Fixed audio Issues re iPhone 6s
Reworked the left panel tuning UI.
• Some users have reported picking up mains hum (the tuner displays a constant pitch - which can be different according to location and environment) - this is a (unintended - sorry!) consequence of extending the range and sensitivity of the tuner.
Rather than undoing the changes above which give far greater tracking and accuracy we have added a dedicated mains hum filter in Tuner/Advanced settings.
This setting will be on by default - if however, you still experience problems we recommend switching this option off and enabling the normal noise filter prior to tuning.
• By request we have reinstated a method to edit Concert A and Transpose from the Main page - do a "long press" on the [TRANS] or [CONCERT A] buttons to edit.
• Added "Personalize/Show Fullscreen Button Icon". For those who thought the arrow icon over the strobe was ugly. You can now switch it off - the button will still work!
• Many other minor bug fixes and general improvements.
Fix calibration not working
•••• It's been reported that Calibration isn't working.
Unfortunately it won't make this update but is fixed and will follow in about a week.

•••• Thanks to all users for their feedback and support !
We hope this update addresses many of the issues / suggestions you have made.

• Added "Assisted Low Note Detection" mode - this improves tracking of very low frequencies.
• Added Portrait Full Screen mode.
• Added Temperament Root Note setting.
• Added Strobe Speed control.
• Left swipe from right edge now opens tuner settings.
• Added mode change on left or right flick over Note/Cent area ( when tuning tools pack installed ).
• Tuner settings are now available in landscape.
• Fixed issue where Transpose/Capo was inverted.
• Fixed issue where iPad layout was incorrect after rotation.
• Fixed issue in Harmonic mode band speeds.
• Fixed issue where Strobe could be blanked on start up and after rotation.
• Significant performance improvements on older devices.
• Improved Strobe performance and response .
Major upgrade .

Sweetened Tunings are now available!

New features include :

• Guided Tuning Mode
• Manual all note Tuning Mode
• Historic Temperaments
• Improved User Interface
• Improved Performance Using Built-in Mic/Audio Line-in

In App purchases :

• Sweetened Tunings
• Harmonic Tuning Mode
• Extended Frequency Modes
• Spectral Analysis Tools (Spectrum Analyzer, Oscilloscope, Spectrogram)
- Fixed NO INPUT error on iOS 7
- Fixed note graphics clipping
- MAN (manual) mode now easier to see
- Optimized display for iOS 7
- Fixed connection to NEWS
- Added iPhone 5 retina display support
- Auto Mode defaults when the app is launched
- Show icons on main screen to indicate the audio source (internal mic, headset mic, bluetooth)
- Fix "No Input" incorrectly shown in some situations
- Minor bug fixes
• Improved note detection code for better low note tracking due to iOS device filtering.
• Added: Auto or manual note select. Can toggle between auto and manual note select (just touch the "auto/man" label).
• Added: Display options. Can toggle to show: cents, Hz, MIDI note.
• Option to not show tenths of cents (in settings, "show whole cents").
• Flat and sharp lights have been changed so there are almost invisible until activated.
• Added: Can now change Concert A and Drop/Capo from the main screen (touch and drag on value).
• Improvements for retina display. Newer high-resolution graphics now available.
• New look/feel by changing the case color. When "black" is selected, it goes back to the original "classic" look.
• Fixed locked strobe on iOS 4
• Fixed random crashes on iOS 4
- Fixed a crash when the "Reset Calibration" warning is closed.
- Compatible with 3.1+ OS.

New features and improvements in version 1.30.00:
- New splash screen, with RSS newsfeed from the Peterson web site.
- Reduced memory footprint.
- New feature to allow editing of the strobe color to personalize your tuner.
- New "black" theme to Setting's pages.
- Improvements to audio handling.
- Built for OS 3.1.3 (so this OS version is required).
- Minor refinements to the user-interface.
- Various internal improvements.

iStroboSoft FAQ

انقر هنا لمعرفة كيفية تنزيل iStroboSoft في بلد أو منطقة محظورة.
تحقق من القائمة التالية لمعرفة الحد الأدنى من المتطلبات iStroboSoft.
Requiere iOS 12.0 o posterior.
Requiere iPadOS 12.0 o posterior.
iPod touch
Requiere iOS 12.0 o posterior.
iStroboSoft هي مدعومة على اللغات Inglés
في iStroboSoft عمليات شراء داخل التطبيق. يرجى التحقق من خطة الأسعار على النحو التالي:
Guitar & Bass Sweeteners
Tuning Tools
Harmonic Tuning
Bluegrass Sweeteners
Extended Frequency Modes
Full Discounted Upgrade Pack
Steel Guitar Sweeteners
Orchestral Sweeteners
Buzz Feiten Pack
Keyboard Sweeteners

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