Comparison

iStroboSoft vs UAFX Control

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iStroboSoft

This application provides highly accurate tuning for musical instruments, offering professional-grade precision with a real-time strobe display. It supports various tuning modes, temperaments, and input methods, making it suitable for both acoustic and electric instruments.

Highlights
  • 1/10th cent accuracy
  • Real-time strobe display
  • Guided Mode Tuning
  • 12 Temperaments with adjustable root
  • Assisted Low Note Detection
  • Drop/Capo mode
  • Adjustable Concert A
Features
Currently charting
Read full description

Usage questions? ***Please contact us before posting an issue in the reviews.*** Peterson Support at info@strobosoft.com 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 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. 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. Support via email at: info@strobosoft.com or call 708.388.3311 M-F 8am-5pm (CST)

About

UAFX Control

This app enhances the functionality of Universal Audio's stompbox effects pedals. Users can customize pedal features, manage presets, and access new functionalities through firmware updates. It offers improved Bluetooth connectivity for faster and more reliable connections.

Highlights
  • Customize pedal features
  • Manage presets
  • Bluetooth connectivity
  • Firmware update support
  • OX Stomp editor
Read full description

UAFX Control is the companion application for Universal Audio's line of stompbox effects pedals. You can use the app to customize pedal features and more. What's New in v3.0.5 • Fixed slider value and slider responsiveness issues What's New in v3.0.4 • OX Stomp editor and preset improvements • Other minor fixes and enhancements What's New in v3.0.2 • Minor bug fixes and improvements What's New in v3.0.1 • Bluetooth redesigned for faster connections and rock-solid reliability • Support for new features in UAFX firmware version 2.0 • (OX Stomp) Off-Axis mic states are now correctly displayed Note that UAFX firmware updates are only available using the UA Connect desktop application, available at: uaudio.com/uafx/start

Screenshots

iStroboSoft4 screens
UAFX Control4 screens

Verdict

The call

The clearest difference is review sentiment: iStroboSoft at 76% against UAFX Control's 9%. iStroboSoft also leads on rating (4.3 vs 2.1) and ads (none vs shown). UAFX Control's advantage is price (Free vs $9.99) and in-app purchases (none vs 11). On update cadence, monetization model, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

UAFX Control is free to download; iStroboSoft costs $9.99 up front. iStroboSoft sells 11 one-off in-app purchases. UAFX Control asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iStroboSoft holds the better App Store score, 4.3 against 2.1. That said, the two scores are not equally well evidenced: iStroboSoft has 298 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 76% of iStroboSoft's written reviews are positive against 9% of UAFX Control's.

UpkeepUpdate frequency

iStroboSoft ships an update fortnightly, UAFX Control every 3 weeks. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 4 level
iStroboSoft versus UAFX Control: the parameters behind the verdict, then further details
ParameteriStroboSoftUAFX Control
Price$9.99Free — better
Rating4.3 (298 ratings) — better2.1 (19 ratings)
Positive reviews76.0% of reviews — better8.8% of reviews
Number of ratings298 — better19
Update frequencyFortnightly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#23 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size5 MB60 MB
Age rating4+4+
DeveloperPeterson TunersUniversal Audio

Customer experience

iStroboSoft

All ratings298 ratings
Positive81.5%
Neutral4.4%
Negative14.1%
Written reviews362 reviews
Positive76.0%
Neutral6.4%
Negative17.7%

UAFX Control

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews215 reviews
Positive8.8%
Neutral4.7%
Negative86.5%

User reviews

iStroboSoft

From 298 App Store ratings

What we love

  • 🚀 Extremely accurate
  • 🔒 Reliable and stable
  • 👍 Fantastic for instrument setup and intonation
  • 👍 Portable and convenient
  • 👍 Excellent value for the price

Room to improve

  • 🐛 Compatibility issues with iOS updates
  • 💰 Expensive in-app purchases for additional features
  • 🐛 Inconsistent performance, jumps between notes
  • 🐛 Struggles with low and high notes
  • 🐛 Microphone input not always reliable

UAFX Control

From 19 App Store ratings

What we love

  • 👍 Easy Bluetooth pairing
  • 🚀 Presets load quickly
  • 💡 Useful preset library
  • 🔧 Firmware updates improve functionality

Room to improve

  • 🐛 Frequent Bluetooth connection issues
  • 🐛 App crashes when trying to access pedals
  • 🐛 Unreliable app performance
  • 🤔 Limited preset customization options
  • 🤔 Lack of visual feedback on preset settings

Bugs and requests

iStroboSoft

Reported bugs

3 issues
  • App freezes or crashes on certain iOS versions
  • Incorrect note detection on some instruments
  • Display issues with newer iPhone/iPad models

Requested features

5 requests
  • Add support for more sweetened tunings and temperaments
  • Improve display visibility and layout for newer devices
  • Integrate with audio apps and allow routing through other apps
  • Add Apple Watch app for quick tuning access
  • Improve noise filtering and input sensitivity

UAFX Control

Reported bugs

4 issues
  • App crashes after firmware updates
  • Pedals not detected or recognized by app
  • Registration process often fails
  • Bluetooth connection randomly drops

Requested features

4 requests
  • Ability to freely assign pedal buttons
  • Option to view and edit preset settings
  • MIDI support for preset changes
  • Landscape mode support on iPad

In-app purchases

11 purchases

iStroboSoft

One-time11
  • Extended Frequency Modes$4.99
  • Bluegrass Sweeteners$5.99
  • Buzz Feiten Pack$5.99
Show 8 more
  • Guitar & Bass Sweeteners$5.99
  • Orchestral Sweeteners$5.99
  • World Sweetener Pack$9.99
  • Tuning Tools$9.99
  • Steel Guitar Sweeteners$14.99
  • Harmonic Tuning$19.99
  • Keyboard Sweeteners$19.99
  • Full Discounted Upgrade Pack$59.99
None

UAFX Control

No in-app purchases

Questions

Is iStroboSoft free?
iStroboSoft costs $9.99, and also offers in-app purchases.
Is UAFX Control free?
UAFX Control is free to download, with no in-app purchases.
Which has better reviews, iStroboSoft or UAFX Control?
iStroboSoft is rated higher. iStroboSoft averages 4.3 out of 5 from 298 ratings, while UAFX Control averages 2.1 from 19 ratings.
Do iStroboSoft or UAFX Control have ads?
UAFX Control shows ads; iStroboSoft does not.
Which is updated more often, iStroboSoft or UAFX Control?
iStroboSoft ships an update fortnightly, and UAFX Control every 3 weeks. Most recently, iStroboSoft was updated on September 25, 2026 and UAFX Control on September 22, 2026.

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