Comparison

MIDI Designer Pro X vs Web MIDI Browser

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

Head to head
About

MIDI Designer Pro X

This app is a professional-grade, customizable MIDI controller for music production. It allows users to control any MIDI-enabled hardware or software, with extensive community-created layouts and powerful 'superpowers' for advanced MIDI manipulation. It supports AUv3 plugins and offers robust network, Bluetooth, and USB MIDI communication.

Highlights
  • Control any MIDI-enabled hardware/software
  • AUv3 MIDI Processor Extension
  • Reliable MIDI communication (Network, Bluetooth, USB)
  • Extensive user layout library (350+ layouts)
  • Powerful 'Superpowers' for MIDI manipulation
  • Community support and layout sharing
Features
Read full description

MIDI Designer Pro X (MDPx) is the culmination of over a decade of improvement. We launched MIDI Designer Pro in 2012 and relaunched it in 2016 as MIDI Designer Pro 2. MDP2 was the first and only professional-grade MIDI controller built natively for iOS, earning critical acclaim. Since launch, over 80 updates have greatly expanded its capabilities. Our user-created library now covers 375+ MIDI targets across music hardware and software. In 2024, MDPx took a significant leap forward with the expressive "Spaceship" theme on iPad and Mac and major iPhone usability advances. It now adds AUv3 support in hosts such as AUM, Cubasis, and Logic. A new subscription model — Premium — allows even more users to use the App in their music-making and discover the App Store's best MIDI controller for themselves. CAPABILITIES • Control all MIDI-enabled hardware and software: keyboards, synths, effects, pedals, DAWs, plug-ins, DJ, VJ & lighting rigs, other iOS apps, robots, cruise ships, rail guns, particle accelerators • AUv3 MIDI Processor Extension: Host MDPx inside AUM, Cubasis, Logic, and other AUv3 hosts. • Solid MIDI Communications Infrastructure: Sets the industry standard for reliable and robust MIDI interactions over Network, Bluetooth and USB. • Active Community of Authors: A vibrant ecosystem supporting legacy and current music synthesizers, sound engines, DAWs, and all MIDI-controlled devices. • Extensive User Layout Library: More than 350 layouts for over 80 manufacturers, contributed by the Community. • Comprehensive Support: Whether you're just starting or tackling complex MIDI implementations, with the Community we are here to assist. • MIDI Designer's 'Superpowers': A suite of powerful features exclusive to MIDI Designer that we have developed over the last 10+ years, including: • Ableton Link and Link Control Loopers • Supercontrols and subcontrols as the basis for many features (with no scripting!): • Snap sub to value over time • Sequential subs • Subcontrol chaining • Button groups (radio buttons) with Bounceback™ • Steppers • Live Transpose • Group Presets • Named Ticks • Accelerometer • Simplified Sysex Messages with variables and bit changers • Snap to Value over Time • Global Presets • Pedalboards • Popup Panels (Show/Hide) • Two-up Page Layout for iPad/Mac • Streambyter Plugin by Audeonic for advanced MIDI transformation MDPx is easy to use, infinitely flexible and customizable, and battle-tested in performance. It's the only professional-grade MIDI controller built from the ground up for iOS to control ANYTHING via MIDI. dream | create | play COMMUNITY The MIDI Designer Community has built layouts for popular MIDI targets. Here are just a few: • Ableton Live • Air Music Tech: Xpand!2 • Arturia: Synclavier V, Analog Lab 4 • Audiofier: Riffendium • Chase Bliss: Mood MKII, Reverse Mode C, Thermae • Clavia: NORD LEAD 4 • DSI: Prophet 12 • Elektron: Octatrack MKII • E-MU: Planet Phatt • Eventide: Pitchfactor, Modfactor • Fractal: Axe-FX • Hauptwerk: St. Anne's Symphonic Organ • Kawai: K1, K1r • Korg: Volca Series, 707 • Line 6: POD X3, POD XT, POD HD500, POD Go • Meris: Enzo, Polymoon • M-Audio: Venom • Novation: MiniNova • Moog: Voyager, Animoog, Little Phatty, Slim Phatty, MF-104m Analog Delay • Omnisphere • Pigtronix: Infinity Looper • Roland: Jupiter-Xm, RD-2000, RD-88, FA-06/FA-07/FA-08, VG-99, JX-3P, JX-8P, MKS-30, MKS-50, MKS-80 • Sample Logic: Morphestra 2 • Sonokinetic: Noir • Soundiron: Steel Tones • TC Electronic: Nova Drive NDR-1 • ValhallaDSP: ÜberMod, VintageVerb, FreqEcho, Shimmer, Room • Yamaha: DX7 (TX7), TQ5, SY77 (TG77), DX21, Reface DX, AN200/PLG-100AN/AN1X FIND OUT MORE Web: midiDesigner.com/mdpx Community Layouts: midiDesigner.com/community Manual: midiDesigner.com/manual EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Web MIDI Browser

This app functions as a web browser specifically designed for Web Apps utilizing the Web MIDI API. It enables Bluetooth MIDI connectivity for iOS devices, allowing interaction with compatible musical instruments through web applications.

Highlights
  • Web browser for Web MIDI API
  • Bluetooth MIDI functionality
  • Connects to Bluetooth MIDI instruments
  • Bridges web and MIDI worlds on iOS
Features
Read full description

Web MIDI Browser is a web browser for browsing Web Apps made with Web MIDI API. Web MIDI Browser can activate the Bluetooth MIDI functionality which is a new function of iOS 8. Instruments which support Bluetooth MIDI connectivity can be connected to Web Apps by using this App. Web MIDI API is a new web client API. It's being standardized as a part of HTML5. By utilizing the API, you can build web apps that interact with MIDI instruments, for example, keyboards, DJ controllers and so on. Originally, MIDI is a physical interface for connecting electric musical instruments to heighten expressiveness of playing music. But now it's used in many ways. Nowadays, web apps are a keystone of great services. If its power comes into the MIDI world, the usability of MIDI is likely to expand. Web MIDI browser can bridge both worlds in iOS.

Screenshots

MIDI Designer Pro X4 screens
Web MIDI Browser2 screens

Verdict

The call

The clearest difference is rating: MIDI Designer Pro X at 4.6 against Web MIDI Browser's 3.1. MIDI Designer Pro X also leads on review sentiment (79% vs 50%) and ratings volume (272 vs 16). Web MIDI Browser's advantage is in-app purchases (none vs 9) and device support (4 vs 2). On price and ads 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. MIDI Designer Pro X sells 9 in-app purchases, starting at $1.49 per month. Web MIDI Browser asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MIDI Designer Pro X holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: MIDI Designer Pro X has 272 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 79% of MIDI Designer Pro X's written reviews are positive against 50% of Web MIDI Browser's.

UpkeepUpdate frequency

MIDI Designer Pro X ships an update every 5 days, Web MIDI Browser fortnightly. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

Scorecard8 real differences · 2 level
MIDI Designer Pro X versus Web MIDI Browser: the parameters behind the verdict, then further details
ParameterMIDI Designer Pro XWeb MIDI Browser
PriceFreeFree
Rating4.6 (272 ratings) — better3.1 (16 ratings)
Positive reviews78.8% of reviews — better50.0% of reviews
Number of ratings272 — better16
Update frequencyEvery 5 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS18.69.0 — better
Further details — not scored
Size209 MB22 MB
Age rating4+17+
DeveloperConfusion Studios LLCTakashi Mizuhiki

Customer experience

MIDI Designer Pro X

All ratings271 ratings
Positive90.4%
Neutral2.2%
Negative7.4%
Written reviews165 reviews
Positive78.8%
Neutral4.2%
Negative17.0%

Web MIDI Browser

All ratings16 ratings
Positive43.8%
Neutral18.8%
Negative37.5%
Written reviews20 reviews
Positive50.0%
Neutral15.0%
Negative35.0%

In-app purchases

9 purchases

MIDI Designer Pro X

Subscriptions8
  • MDPx Premium iPhone Only$1.491 Month
  • MDPx Premium iPad Only$2.491 Month
  • MDPx Premium iPad, iPhone$2.991 Month
Show 5 more
  • MDPx Premium Mac, iPad, iPhone$4.991 Month
  • MDPx Premium iPhone Only$14.991 Year
  • MDPx Premium iPad Only$24.991 Year
  • MDPx Premium iPad, iPhone$29.991 Year
  • MDPx Premium Mac, iPad, iPhone$49.991 Year
One-time1
  • MDPx Premium Lifetime$124.99
None

Web MIDI Browser

No in-app purchases

Questions

Is MIDI Designer Pro X free?
MIDI Designer Pro X is free to download, with in-app purchases available.
Is Web MIDI Browser free?
Web MIDI Browser is free to download, with no in-app purchases.
Which has better reviews, MIDI Designer Pro X or Web MIDI Browser?
MIDI Designer Pro X is rated higher. MIDI Designer Pro X averages 4.6 out of 5 from 272 ratings, while Web MIDI Browser averages 3.1 from 16 ratings.
Do MIDI Designer Pro X or Web MIDI Browser have ads?
Neither MIDI Designer Pro X nor Web MIDI Browser shows ads.
Which is updated more often, MIDI Designer Pro X or Web MIDI Browser?
MIDI Designer Pro X ships an update every 5 days, and Web MIDI Browser fortnightly. Most recently, MIDI Designer Pro X was updated on November 6, 2026 and Web MIDI Browser on November 1, 2026.

Other comparisons