Comparison

AudiBro vs Syntien 2

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

Head to head
About

AudiBro

This application transforms ambient sound into a dynamic, real-time visual spectrum analyzer. It displays audio frequencies with a vibrant color-coded spectrum and a unique trailing ghost effect. Ideal for musicians, engineers, and anyone curious about the visual representation of sound.

Highlights
  • Real-time audio spectrum analysis
  • Rainbow color-coded frequency display
  • Trailing ghost effect for sound history
  • dB meter with level monitoring
  • Peak frequency detection
  • Full-screen visualization
Features
Read full description

Transform sound into a mesmerizing visual experience with AudiBro – the beautifully designed real-time audio spectrum analyzer for your iPhone. VISUALIZE YOUR WORLD OF SOUND AudiBro captures audio through your device's microphone and instantly transforms it into a stunning visual display. Watch as frequencies dance across your screen in a smooth, colorful spectrum that responds to every nuance of sound around you. ◆ GORGEOUS RAINBOW SPECTRUM Experience audio like never before with our ROYGBIV color-coded frequency display. Low bass frequencies glow red on the left, while high treble tones shine violet on the right – giving you an intuitive, beautiful representation of the full audio spectrum from 20Hz to 20kHz. ◆ REAL-TIME RESPONSIVENESS Our optimized audio engine delivers smooth, lag-free visualization that reacts instantly to your sound. No delay, no stutter – just pure, fluid visual feedback. ◆ TRAILING GHOST EFFECT Watch sound leave its mark with our unique trail visualization. See the history of your audio painted on screen, with older sounds gracefully fading away in chronological order. ◆ PROFESSIONAL FEATURES • Real-time dB meter with accurate level monitoring • Logarithmic frequency scaling (matches human hearing) • Reference grid lines at 30, 60, and 90 dB • Peak frequency detection with Hz readout • Freeze function to capture and analyze moments • Full-screen visualization in portrait and landscape ◆ PERFECT FOR • Musicians and singers monitoring performance • Audio engineers and sound technicians • Music producers checking mixes • Educators teaching about sound and frequency • Sound enthusiasts and curious minds • Anyone who wants to SEE their music ◆ ELEGANT DESIGN Crafted with a sleek purple interface that puts your audio front and center. AudiBro is as beautiful to look at as it is functional to use. Whether you're tuning an instrument, analyzing room acoustics, checking speaker response, or simply enjoying the visual art of sound – AudiBro brings your audio to life. Download now and start seeing sound in a whole new way.

About

Syntien 2

Read full description

Syntien 2 recognizes a variety of input sources, including touch, movement, and sound, and converts them into data for your creative work. Syntien 2 can connect to other devices and software via MIDI, OSC, and BLE. It comes with all the standard controls you'd expect -- buttons, labels, sliders, knobs, etc. -- plus a unique set of tools that go far beyond the basics. • Use an adjustable, resizable Keyboard control to send MIDI note and velocity data, in addition to pitch bend, expression, and more. • The Touch Pad control takes full advantage of your device's multi-touch capabilities. Track multiple touches independently. Use a stylus like an Apple Pencil to send highly-expressive data with pressure and tilt sensitivity. • The IMU control uses data from your device's accelerometer, gyroscope, and magnetometer to transmit your device's acceleration, rotation, or nearby magnetic field strength. • Use the Level Meter to track audio input levels, and use the Pitch Detector control to detect pitch. • Transform and scale outputs directly in Syntien 2 without any complex scripting! • Connect controls to each other using Macros. Use buttons to toggle a Keyboard's sustain pedal, set up a Slider to modulate the frequency of an LFO, and more! • Create your own interfaces and modify the behavior of controls in-app, on any iPhone or iPad, without the need for a separate desktop editor! Place and resize controls exactly how you want them using intuitive drag-and-drop gestures. • Modify controls mid-performance by sending data from your computer to Syntien. Incoming OSC messages are displayed on the screen and color-coded, so you'll know exactly what messages Syntien is receiving and whether or not they're being interpreted. Works with Ableton, Max/MSP, SuperCollider, TouchDesigner, and any MIDI- or OSC-compatible software.

Screenshots

AudiBro3 screens
Syntien 24 screens

Verdict

The call

The clearest difference is update cadence: Syntien 2 at every 3 weeks against AudiBro's every 2 months. Syntien 2 also leads on iOS requirement (15.0 vs 18.2). On price, ads, in-app purchases and device support 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AudiBro ships an update every 2 months, Syntien 2 every 3 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
AudiBro versus Syntien 2: the parameters behind the verdict, then further details
ParameterAudiBroSyntien 2
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.215.0 — better
Further details — not scored
Size5 MB35 MB
Age rating4+4+
DeveloperStorming The Castle LLCModulii

In-app purchases

None

AudiBro

No in-app purchases

None

Syntien 2

No in-app purchases

Questions

Is AudiBro free?
AudiBro is free to download, with no in-app purchases.
Is Syntien 2 free?
Syntien 2 is free to download, with no in-app purchases.
Do AudiBro or Syntien 2 have ads?
Neither AudiBro nor Syntien 2 shows ads.
Which is updated more often, AudiBro or Syntien 2?
AudiBro ships an update every 2 months, and Syntien 2 every 3 weeks. Most recently, AudiBro was updated on October 6, 2026 and Syntien 2 on October 3, 2026.

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