Comparison

ENSPIRE Controller vs Unitary Converter

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

Head to head
About

ENSPIRE Controller

Control your Yamaha Disklavier ENSPIRE piano wirelessly. Access built-in songs, download thousands more, and enjoy exclusive streaming piano music channels. Seamless integration with your mobile devices makes managing your instrument effortless.

Highlights
  • Wireless network connectivity
  • Access to built-in and downloadable songs
  • Thousands of performances available
  • Exclusive streaming piano music channels
  • Intuitive controller design
Features
Read full description

ENSPIRE Controller is the official app for controlling Yamaha Disklavier ENSPIRE. FEATURES: Effortless Integration: Wireless network connectivity and seamless compatibility with mobile devices, smartphones and computers allows intuitive access to all of the instrument’s exclusive content and unique capabilities. Thousands of Performances In One Masterpiece: The Disklavier ENSPIRE allows you to revel in whatever music suits your mood or occasion, from classical solo piano or concerto selections to your favorite jazz or pop songs on piano – accompanied by audio and vocals. An easy-to-use and intuitive controller design provides direct access to 500 built-in songs and thousands performances that can be downloaded directly from the music shop. Exclusive Streaming Services: ENSPIRE also offers revolutionary streaming radio services, allowing you to discover and enjoy thousands of piano performances in the comfort of your own home, which gives you instant access to over 30 channels of 24-hour streaming piano music.

About

Unitary Converter

Features
Read full description

Unitary is a beautifully designed offline unit converter and calculator. Convert between hundreds of units across 35+ categories — core conversions work without internet. ### What's New in v2.2 • New app icon — bold U with conversion arrows • 35+ categories including angle, pace, torque, blood glucose, compound interest • Optional Remove Ads purchase — one-time, no subscription • Light banner on main screens; optional rewarded video in Settings • Favorites strip, history tap-to-reopen, decimal precision control • 7 languages with full unit label support • Beden/yüzük, world clock, recipe scaler, wind chill & more ### 35+ Categories & Tools **Converters:** Length, Mass, Volume, Temperature, Area, Speed, Data, Time, Energy, Power, Pressure, Fuel, Cooking, Shoes, Typography, Numeral, Angle, Pace, Frequency, Illuminance, Torque, Density, Ring Size, Clothing Size, Blood Glucose **Tools:** Discount, Tip, BMI, Age, Currency, World Clock, Feet & Inches, Percentage, Wind Chill, Recipe Scaler, Countdown, Compound Interest ### Privacy & Data • Conversions and history stored locally on your device • No account required • Optional ads support the free version — remove anytime via in-app purchase • Privacy Policy: https://z0iq.com/unitary_privacy.html ### Personalization • 7 Languages: English, French, German, Spanish, Italian, Portuguese, Turkish • Light, Dark, and System themes • Pin categories, save favorite pairs, conversion history • Configurable haptic feedback and decimal precision Whether you're cooking, traveling, studying, or working — Unitary has you covered.

Screenshots

ENSPIRE Controller4 screens
Unitary Converter4 screens

Verdict

The call

The clearest difference is in-app purchases: ENSPIRE Controller at none against Unitary Converter's 1. ENSPIRE Controller also leads on ads (none vs shown). Unitary Converter's advantage is update cadence (every 2 months vs every 10 months). On price, 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

Both are free to download. Unitary Converter sells 1 one-off in-app purchase. ENSPIRE Controller asks for nothing beyond the download.

UpkeepUpdate frequency

ENSPIRE Controller ships an update every 10 months, Unitary Converter every 2 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
ENSPIRE Controller versus Unitary Converter: the parameters behind the verdict, then further details
ParameterENSPIRE ControllerUnitary Converter
PriceFreeFree
Rating2.0 (97 ratings) — better—
Positive reviews18.0% of reviews—
Number of ratings97 — better—
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size17 MB18 MB
Age rating4+4+
DeveloperYamaha Corporation of AmericaHakan Buran

Bugs and requests

ENSPIRE Controller

Reported bugs

44 issues
  • Connection issues
  • App crashes
  • White screen of death
  • Requires rebooting piano
  • Login/server connection issues
Show 39 more
  • App freezes
  • Cannot detect piano
  • Impossible to connect
  • App does not work on iPhone 14
  • Constantly loses connection
  • Constantly gives errors
  • Piano starts playing on its own
  • App spins "connecting"
  • Must restart several times to work
  • Ethernet connection runs first song at quadruple speed
  • App freezes totally
  • App not opening after upload
  • App stuck in settings
  • App does not show list of piano
  • App needs help
  • Connecting to piano rarely works
  • Cannot use record function
  • Cannot see built-in song playlist
  • Piano starts playing on its own
  • App freezes
  • Controller takes too long to turn on
  • Controller quickly deactivates
  • Sleep mode deactivates quickly
  • App rarely functions
  • Wireless connectivity issues
  • Stopped working
  • Won't recognize piano
  • App not recognizing piano on same network
  • iOS 14.x broke the Enspire app
  • App has never been able to locate Enspire on network
  • Webapp feels like a 20yo web app
  • Player app no longer recognizes piano
  • App doesn't connect to piano half the time
  • Radio feature is very unstable
  • App struggles to find piano
  • Error: check network setting
  • App directs to a website
  • App does not work
  • App has nothing but background and settings

Requested features

26 requests
  • Update app for consistency
  • More access to maintenance functions/tests/settings
  • Better support for Remote Lesson functions
  • Dark theme/night mode options
  • Wallpaper options
Show 21 more
  • Hire Spotify developers for user-friendliness
  • Start over with a new app design
  • Improve compatibility with other apps (e.g., Files app)
  • Make playlist creation easier
  • Add shuffle feature for playlists
  • Allow on-demand artist/song selection
  • Allow on-demand song purchase
  • Improve Disklavier Radio features (skipping, search, etc.)
  • Expand Disklavier TV to Android
  • Publish Web APIs for third-party development
  • Fix app to recognize piano
  • Add ability to create playlists from included songs
  • Improve app functionality and features
  • Provide solutions for getting stuck
  • Make app functional
  • Fix radio feature instability
  • Organize songs better
  • Improve customer experience
  • Make app native
  • Allow song search in radio
  • Allow skipping songs in radio

Unitary Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ENSPIRE Controller

No in-app purchases

1 purchases

Unitary Converter

One-time1
  • Remove Ads$2.99

Questions

Is ENSPIRE Controller free?
ENSPIRE Controller is free to download, with no in-app purchases.
Is Unitary Converter free?
Unitary Converter is free to download, with in-app purchases available.
Do ENSPIRE Controller or Unitary Converter have ads?
Unitary Converter shows ads; ENSPIRE Controller does not.
Which is updated more often, ENSPIRE Controller or Unitary Converter?
ENSPIRE Controller ships an update every 10 months, and Unitary Converter every 2 months. Most recently, ENSPIRE Controller was updated on October 15, 2026 and Unitary Converter on October 16, 2026.

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