Comparison

Pad MIDI vs Audio Evolution Mobile Studio

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

Head to head
About

Pad MIDI

Transform your iPhone or iPad into a versatile MIDI controller. It offers wireless and USB connectivity, customizable pads, and a full piano keyboard for your music production needs. Requires external hardware or software to generate sound.

Highlights
  • Bluetooth and USB MIDI support
  • 16 assignable MIDI pads
  • Full 88-key piano keyboard
  • Selectable MIDI channel and velocity
  • CC and Program Change controllers
  • MIDI message log/debugger
Features
Read full description

Pad MIDI turns your iPhone/iPad into MIDI pads and keyboard for your synth or DAW * Supports Bluetooth wireless / USB MIDI * Supports native Mac OS Network MIDI (Core MIDI) * 16 assignable / nameable MIDI pads * Full 88 key piano * Selectable MIDI channel and velocity * CC / Program change controllers * MIDI message log / debugger * Requires external synth or plugin to produce sound Learn how to connect here: http://support.thirteen32.com/apps/padmidi/

About

Audio Evolution Mobile Studio

This app is a portable multitrack audio and MIDI recording studio. It offers virtual instruments, pitch and time editing, real-time effects, and automation for creating music productions on the go.

Highlights
  • Multitrack audio recording and playback
  • MIDI sequencing with piano roll editor
  • Virtual instruments and Soundfont support
  • Real-time effects and flexible routing
  • Pitch and time editing for vocals
  • Non-linear editing with undo/redo
  • Export tracks as separate audio files
Features
Currently charting
Read full description

Record your ideas on the go or create entire music productions from scratch, we'll leave it up to you! This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, pitch and time editing of vocals (*), unlimited undo/redo, mixing, real-time effects, automation and much more! Features: • Multitrack audio recording / playback • MIDI sequencing with piano roll editor and MPE support • Drum pattern editor (including triplets, use your own samples and effects chain per drum sound) • Automatically or manually tune your vocals with Vocal Tune Studio (*) : an editor to correct pitch and time of vocal recordings and the timing of any audio material. It features retune time, retune amount, volume and formant correction per note as well as vibrato controls. • Add tempo and time signature changes including gradual tempo change • Real-time effects including: chorus, compressor, delay, dual delay, reverse delay, reverb, flanger, noise gate and many more! • Flexible effect routing: an unlimited number of effects can be placed on a grid, featuring parallel effect paths. • Assign LFO's to effect parameters or lock parameters to tempo • Sidechain on the compressor effects • Inter-app audio effects and instruments • AudioBus support (including AudioBus remote) • Audio Unit instruments, effects and AU MIDI • Multi-output support for Audio Unit instruments • Virtual analog synthesizer 'Evolution One' featuring morphing oscillators, FM, Sub Osc, Noise, Portamento, 2 LFO's that can be routed to 12 targets, Moog type filtering, effects, ARP, sequencer and more! • Soundfont (sf2/sf3/sfz) support: free GS/GM Soundfont included, add more from the Soundfont shop or from your own collection • Non-linear editing with move, trim, split, cut/copy/paste, remove, cross-fade, time-stretching etc. with full undo/redo • Virtual instruments (comes with free instruments and more instrument packs to download) • Track freezing to save CPU usage • Clip volume and fade points • Loop playback • Automation of mixer and effect parameters • Mix-down to WAV, AIFF and ALAC • Metronome • Ghost track display on the piano roll • MIDI clock sync • MIDI remote control • Punch in/out • Unlimited number of tracks and groups • Offline effects: fade in/out, normalize, reverse, pitch shift, time stretching • Several grid options for aligning your samples (with tempo and time signature settings) • Export to other DAW's by rendering all tracks to separate audio files (stems) • Media server to access your files easily from a desktop computer • Multi-core support • AudioShare support • Trackpad support • Cloud sync using Google Drive and Dropbox In short: a complete portable multitrack music studio that will replace your fourtrack recorder or tape machine! (*) The following in-app purchases are available to expand your studio: • ToneBoosters effect pack 1 (Barricade, DeEsser, Gate, Reverb) • ToneBoosters EQ with frequency analyzer • ToneBoosters Compressor • ToneBoosters Ferox • ToneBoosters V4 Barricade • ToneBoosters V4 BitJuggler • ToneBoosters V4 Compressor • ToneBoosters V4 Enhancer • ToneBoosters V4 EQ • ToneBoosters V4 MBC (multi-band compressor) • ToneBoosters V4 ReelBus • ToneBoosters V4 Reverb • ToneBoosters V4 Sibilance • ToneBoosters V4 Voice Pitcher • Vocal Tune with two-voice harmonizer and Vocal Tune PRO, both real-time vocal pitch correction effects • Vocal Tune Studio: auto tune your vocals, pitch and time correction • Soundfont instrument packs • Loop packs from Function Loops The 'PRO' in-app purchase is only for people who downloaded version 1.x in the past and is not applicable to version 2.0 or higher. If you have any suggestions, questions or want to report a bug, please contact us! We'll gladly solve any problem! Facebook: https://www.facebook.com/AudioEvolutionMobile Forum: https://www.extreamsd.com/forum

Screenshots

Pad MIDI4 screens
Audio Evolution Mobile Studio4 screens

Verdict

The call

The clearest difference is price: Pad MIDI at $0.99 against Audio Evolution Mobile Studio's $11.99. Pad MIDI also leads on in-app purchases (none vs 19). Audio Evolution Mobile Studio's advantage is rating (4.2 vs 3.0) and review sentiment (66% vs 30%). On ads, 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

Pad MIDI costs $0.99 and Audio Evolution Mobile Studio $11.99 up front. Audio Evolution Mobile Studio sells 19 one-off in-app purchases. Pad MIDI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Audio Evolution Mobile Studio holds the better App Store score, 4.2 against 3.0. That said, the two scores are not equally well evidenced: Audio Evolution Mobile Studio has 170 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 30% of Pad MIDI's written reviews are positive against 66% of Audio Evolution Mobile Studio's.

UpkeepUpdate frequency

Pad MIDI ships an update every 2 months, Audio Evolution Mobile Studio every 2 weeks. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.

Scorecard8 real differences · 3 level
Pad MIDI versus Audio Evolution Mobile Studio: the parameters behind the verdict, then further details
ParameterPad MIDIAudio Evolution Mobile Studio
Price$0.99 — better$11.99
Rating3.0 (1 ratings)4.2 (170 ratings) — better
Positive reviews30.1% of reviews65.7% of reviews — better
Number of ratings1170 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#49 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size28 MB181 MB
Age rating4+4+
DeveloperThirteen32 Pty LtdDavy Wentzler

Customer experience

Pad MIDI

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews133 reviews
Positive30.1%
Neutral8.3%
Negative61.7%

Audio Evolution Mobile Studio

All ratings170 ratings
Positive79.4%
Neutral7.1%
Negative13.5%
Written reviews169 reviews
Positive65.7%
Neutral10.1%
Negative24.3%

User reviews

Pad MIDI

From 1 App Store ratings

What we love

  • 👍 Works as expected
  • 👍 Simple and functional
  • 👍 Great MIDI tool
  • 👍 Free and functional
  • 👍 Useful for triggering effects

Room to improve

  • 🐛 No sound output
  • 🐛 Crashes on startup
  • 🐛 Does not load
  • 🐛 Does not open
  • 🐛 Ads are intrusive

Audio Evolution Mobile Studio

From 170 App Store ratings

What we love

  • 👍 Convenient and easy to use
  • 🚀 Efficient workflow
  • 💡 Powerful features for the price
  • 🎨 Great sound quality
  • 👍 Responsive developer support

Room to improve

  • 🐛 Occasional crashes and stability issues
  • 🔒 Confusing trial/purchase model
  • 👎 Unintuitive user interface
  • 🔋 High resource usage on older devices
  • 👎 Missing key features compared to competitors

Bugs and requests

Pad MIDI

Reported bugs

14 issues
  • App stays on loading page
  • App crashes after splash screen
  • App crashes on startup
  • App won't load
  • App won't open
Show 9 more
  • No sound output
  • Ads cannot be escaped
  • Accidentally clicked remove ad, needs refund
  • Ads couldn't be clicked out of
  • Notes don't work
  • Cannot connect to software
  • App crashes when loading
  • App crashes when opening
  • App automatically closes

Requested features

10 requests
  • Multi-touch support
  • Turn phone display off and maintain connectivity
  • Assign velocity to saved pads
  • Numerical velocity input
  • Customizable button colors/styles
Show 5 more
  • XY pad or faders/rotary encoders
  • More pages and knobs
  • Instructional video for setup
  • Support for newer software versions
  • USB connection for reduced latency

Audio Evolution Mobile Studio

Reported bugs

4 issues
  • Undo function causes freezing
  • MIDI files not importing correctly
  • Audio sync issues when using external interfaces
  • AU plugins not integrating smoothly

Requested features

5 requests
  • Add a global swing/groove track
  • Improve MIDI editing capabilities
  • Implement a more intuitive mixer layout
  • Add support for MP3 export
  • Integrate better with other iOS apps

In-app purchases

None

Pad MIDI

No in-app purchases

19 purchases

Audio Evolution Mobile Studio

One-time19
  • Summer Trance sample pack$0.99
  • FX pack 1$1.99
  • FX pack 2 (Graphic EQ)$1.99
Show 16 more
  • ToneBoosters Compressor$1.99
  • ToneBoosters EQ$1.99
  • ToneBoosters Ferox$1.99
  • Classic Keyboards$2.99
  • Steinway Grand Piano$2.99
  • Ultra Trap sample pack$3.99
  • Toneboosters Reverb V4$4.99
  • Toneboosters Compressor V4$4.99
  • Vocal Tune$4.99
  • ToneBoosters FX pack 1$4.99
  • Toneboosters EQ V4$4.99
  • PRO (very old versions only)$6.99
  • Synth pack 1$9.99
  • Synth pack 2$9.99
  • Drum kit pack$10.99
  • Vocal Tune Studio$12.99

Questions

Is Pad MIDI free?
Pad MIDI costs $0.99, with no in-app purchases.
Is Audio Evolution Mobile Studio free?
Audio Evolution Mobile Studio costs $11.99, and also offers in-app purchases.
Which has better reviews, Pad MIDI or Audio Evolution Mobile Studio?
Audio Evolution Mobile Studio is rated higher. Pad MIDI averages 3.0 out of 5 from 1 ratings, while Audio Evolution Mobile Studio averages 4.2 from 170 ratings.
Do Pad MIDI or Audio Evolution Mobile Studio have ads?
Neither Pad MIDI nor Audio Evolution Mobile Studio shows ads.
Which is updated more often, Pad MIDI or Audio Evolution Mobile Studio?
Pad MIDI ships an update every 2 months, and Audio Evolution Mobile Studio every 2 weeks. Most recently, Pad MIDI was updated on September 22, 2026 and Audio Evolution Mobile Studio on September 26, 2026.

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