QRSFinder vs WIDI App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QRSFinder
Easily locate QRS PNOmation systems on your network. Connect directly to a single PNO environment or view a list of all network systems by serial number. Tap a serial number to launch the web app.
- Network QRS PNOmation system discovery
- Stand Alone and Network mode support
- List systems by serial number
- Direct web app launch via serial number
- Single PNO environment connection
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A handy app that will help you find the QRS PNOmation systems on your network. Works great for Pianos in Stand Alone or Network mode. Just launch the app to be connected in a single PNO environment, or receive a listing of all PNO systems on your network by serial number. Just Tap the serial number to load the PNO web app.
WIDI App
Configure and manage wireless Bluetooth MIDI devices. Update firmware, rename devices, adjust Bluetooth settings, and optimize performance for low latency or jitter. Supports group connections and troubleshooting.
- Update device firmware
- Rename Bluetooth MIDI devices
- Set Bluetooth transmit power
- Configure Bluetooth role (peripheral/auto)
- Set performance mode (low latency/jitter)
- Set wired MIDI thru function
- Manage group connections
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The WIDI app is a dedicated application for configuring and setting all WIDI wireless Bluetooth MIDI devices (including WIDI Master, WIDI Jack, WIDI Uhost, WIDI Bud Pro, WIDI Core/CoreX, WIDI Thru6 BT, WIDI K.O.II and authorized products such as Kurzweil Air MIDI, Nektar WIDIFLEX, Xvive MD1, Limex BT etc.). You can use this application for the following operations: * Update to the latest device firmware * Rename device * Set the transmit power of Bluetooth * Set the Bluetooth role to peripheral or auto mode * Set the performance mode for low latency or low jitter * Set the wired MIDI thru function * Set the group auto-learn * Activate the WIDI Master in test mode (red light condition, firmware version v0046 only) * Clear the existing group connection setting * Factory reset * Set up group connection * Link to online trouble shooting contents Note1: The group connection function requires firmware version v0136 or higher. Note2: The group auto-learn function requires firmware version v0166.
Screenshots
Verdict
The clearest difference is rating: WIDI App at 3.1 against QRSFinder's 2.6. WIDI App also leads on review sentiment (45% vs 21%) and ratings volume (32 vs 9). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WIDI App holds the better App Store score, 3.1 against 2.6. Both are backed by a comparable volume of ratings — 9 and 32 respectively. Written reviews point the same way: 21% of QRSFinder's written reviews are positive against 45% of WIDI App's.
QRSFinder ships an update every 6 weeks, WIDI App monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | QRSFinder | WIDI App |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (9 ratings) | 3.1 (32 ratings) — better |
| Positive reviews | 21.2% of reviews | 44.8% of reviews — better |
| Number of ratings | 9 | 32 — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | QRS Music | CME PTE. LTD. |
Customer experience
QRSFinder
WIDI App
Bugs and requests
QRSFinder
Reported bugs
46 issues- Restarts every time app is opened
- Volume sliders require diligence
- App disconnects continually
- App won't load
- Lady loudly announces IP address at night
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- App doesn't scroll to end of album
- Search tool is horrible
- App crashes or disconnects
- Does not allow connection
- Super slow loading
- Does not find piano on home Wi-Fi
- Only works when connected directly to piano
- Constant toggling between networks
- App never works correctly
- Impossible to start and connect
- Disconnects all the time
- Installers can't figure it out
- Doesn't connect to PNOmation II system
- Tells me 'no pianos found on this network'
- White screen after deleting/reinstalling
- Buggy, crashes constantly
- UX is terrible
- Doesn't stay connected
- Cannot reset
- Won't shut off or change volume
- Playlists get deleted
- Difficult to use, not intuitive
- Loses contact frequently
- Hard to get reconnected
- Half the time or more it doesn't find the piano
- Quits unexpectedly
- Secondary audio stops working
- No differentiating songs with voice/instruments
- Plays random song instead of selected
- App will not allow choosing a song to play
- Defaults back to a random song
- Refuses to play desired song
- Won't connect to the piano
- Automatically disconnects from local network
- Cannot find piano on network
- New updates cause piano to lose connection
- Wireless system keeps shutting down
- App shows Bluetooth connection but requires local Wi-Fi
- SSID cannot be hidden for connection
- When adding single song, many others are added
- Editing a playlist is almost impossible
Requested features
8 requests- Add monthly all-access subscription
- Make purchasing songs/albums easier (e.g., Apple Pay)
- Fix UI to be more user-friendly
- Add ability to scan songs and albums easier
- Hire better app developers
Show 3 moreShow fewer
- Overhaul interface for 21st century
- More solo singers with piano-only songs
- Cheaper price tag for library
WIDI App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
QRSFinder
No in-app purchases
WIDI App
No in-app purchases
Questions
Is QRSFinder free?
Is WIDI App free?
Which has better reviews, QRSFinder or WIDI App?
Do QRSFinder or WIDI App have ads?
Which is updated more often, QRSFinder or WIDI App?
Other comparisons
