QRS Connect vs WIDI App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QRS Connect
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QRS Connect app will connect to QRS Devices as well as connect to QRS-Connect.com
WIDI App
Configure and manage wireless Bluetooth MIDI devices. Update firmware, set Bluetooth roles, adjust performance modes for low latency, and set up group connections. Includes troubleshooting links and factory reset options.
- Update device firmware
- Rename devices
- Set Bluetooth transmit power
- Configure Bluetooth role (peripheral/auto)
- Set performance modes (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 update cadence: WIDI App at monthly against QRS Connect's every 2 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
QRS Connect ships an update every 2 months, WIDI App monthly. Both last shipped on November 11, 2026.
| Parameter | QRS Connect | WIDI App |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.1 (32 ratings) — better |
| Positive reviews | — | 43.3% of reviews |
| Number of ratings | — | 32 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.5 — better | 15.0 |
| Further details — not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | QRS Music | CME |
In-app purchases
QRS Connect
No in-app purchases
WIDI App
No in-app purchases
Questions
Is QRS Connect free?
Is WIDI App free?
Do QRS Connect or WIDI App have ads?
Which is updated more often, QRS Connect or WIDI App?
Other comparisons
