Comparison

Xkey Plus vs SWAM Flute

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

Head to head
About

Xkey Plus

This app enhances the functionality of ESI Xkey musical keyboards on mobile devices. It allows users to update firmware, customize velocity curves, and configure key sensitivity and timings for an advanced user experience.

Highlights
  • Check for new Xkey firmware
  • Velocity curves editor
  • Configure Xkey sensitivity & timings
  • Access all Xkey parameters
  • Configure key & button assignments
  • Access Xkey documentation & support
Features
Read full description

◆◆◆ Xkey Plus ◆◆◆ This app is dedicated to ESI Xkey musical keyboard. It is an ideal companion to your mobile keyboard. FEATURES ◆ Check for new Xkey firmware ◆ Velocity curves editor ◆ In-depth configuration of Xkey sensitivity & timings (advanced users) ◆ Access to all Xkey parameters (advanced users) ◆ Possibility to configure new assignments to all keys & buttons (requires Fw 1.2+) ◆ Direct access to Xkey documentation & support REQUIREMENTS ◆ Xkey musical keyboard ◆ USB cam kit or lightning cable ◆ Compatible with iPad (iOS 7 or later) Do not hesitate to contact us if you find any problem on this app. If you like this app, don't forget to write a positive review ! ESI

About

SWAM Flute

This app offers a highly realistic and expressive virtual flute experience for musicians. It utilizes physical modeling technology to dynamically generate sound, responding to subtle playing nuances. Features include a room simulator, EQ, compressor, and extensive MIDI control options.

Highlights
  • Physical modeling sound generation
  • Room simulator 'Ambiente'
  • Standalone and AUv3 plugin support
  • MPE and MIDI controller compatibility
  • Customizable sound parameters
  • Built-in EQ and compressor effects
Read full description

SWAM Flute for iOS: Unmatched Realism and Expressive Power in Your Hands! Whether you play with a wind controller like the EWI, a keyboard, or any other MIDI device, SWAM Flute for iOS gives you unparalleled expressivity. Part of the acclaimed SWAM Solo Woodwinds, SWAM Solo Brass, SWAM Solo Strings, and SWAM String Sections suite, it is a must-have for musicians seeking the most realistic and responsive virtual instruments available. Now featuring the revolutionary Room Simulator "Ambiente", this cutting-edge Physical Modeling technology delivers the depth and nuance of a real woodwind performance—in real time. Unlike sampled libraries, SWAM Flute doesn’t rely on pre-recorded sounds but generates authentic performances dynamically, responding to every subtlety of your playing, just like a real flute player. New Features and Key Benefits Room Simulator "Ambiente": Take advantage of advanced spatial control with the built-in Room Simulator "Ambiente", allowing you to position the instrument in a realistic acoustic space, interact dynamically with other SWAM instruments in the same virtual room, and create truly immersive performances. Additionally, the EQ and Compressor effects are available for fine-tuning your sound. Standalone and AUv3 Plugin: Perform in real time or integrate SWAM Flute seamlessly into your mobile production workflow. Intuitive, Inclusive Interface: Designed for everyone, including blind and visually impaired users. Expressive Control: Play with unmatched expressivity using MPE controllers, keyboards, breath controllers, or other MIDI devices. Top Features at a Glance Access a library of presets, create your own, or import presets from the desktop version. Customize every detail of your sound, including timbre, vibrato, and dynamics. Micro-tune the instrument with the Pitch Manager, supporting devices like MAQAM for advanced tuning systems. Add built-in effects like EQ and Compressor. Play with different instrument models to explore a variety of tonal colors and expressive possibilities. Use AUv3 to integrate with your mobile DAW (Logic, Cubasis, AUM) or apps like Camelot PRO for live performances. Who is SWAM Flute for iOS Designed For? Wind Controller Players: Looking for a mobile setup to perform live without needing a computer while still achieving an incredible sound. Keyboard Players: Frustrated by the limited expressive capabilities of normal sample-based plugins? SWAM Flute unlocks the full range of expression. Music Producers: Need a mobile setup to produce music from anywhere without carrying around expensive gear? SWAM Flute is the solution. Musicians Seeking Expressivity: Looking for a virtual instrument that allows you to express the full range of your musicality easily on your iPhone or iPad. IMPORTANT To fully harness the expressive power of SWAM Flute, a controller capable of continuous expression (such as a breath controller, expression pedal, MPE device, or wind controller) is required. Just like a real flutist shapes their sound with breath and embouchure, SWAM Flute needs expressive input for maximum realism. With SWAM Flute for iOS, you have the freedom to create lifelike woodwind performances on your iPhone or iPad. Redefine your music with unparalleled realism and expressive depth—anytime, anywhere.

Screenshots

SWAM Flute4 screens

Verdict

The call

The clearest difference is price: Xkey Plus at Free against SWAM Flute's $29.99. Xkey Plus also leads on ratings volume (13 vs 4) and iOS requirement (9.3 vs 15.0). SWAM Flute's advantage is rating (4.0 vs 2.9) and review sentiment (67% vs 36%). On 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

CostPrice · In-app purchases · Ads · Monetization

Xkey Plus is free to download; SWAM Flute costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SWAM Flute holds the better App Store score, 4.0 against 2.9. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews point the same way: 36% of Xkey Plus's written reviews are positive against 67% of SWAM Flute's.

UpkeepUpdate frequency

Xkey Plus ships an update every 3 months, SWAM Flute every 5 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard8 real differences · 2 level
Xkey Plus versus SWAM Flute: the parameters behind the verdict, then further details
ParameterXkey PlusSWAM Flute
PriceFree — better$29.99
Rating2.9 (13 ratings)4.0 (4 ratings) — better
Positive reviews35.7% of reviews66.7% of reviews — better
Number of ratings13 — better4
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.3 — better15.0
Further details — not scored
Size9 MB103 MB
Age rating4+4+
DeveloperESI Audiotechnik GmbHAudio Modeling

Customer experience

Xkey Plus

All ratings13 ratings
Positive38.5%
Neutral23.1%
Negative38.5%
Written reviews14 reviews
Positive35.7%
Neutral21.4%
Negative42.9%

SWAM Flute

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Xkey Plus

No in-app purchases

None

SWAM Flute

No in-app purchases

Questions

Is Xkey Plus free?
Xkey Plus is free to download, with no in-app purchases.
Is SWAM Flute free?
SWAM Flute costs $29.99, with no in-app purchases.
Which has better reviews, Xkey Plus or SWAM Flute?
SWAM Flute is rated higher. Xkey Plus averages 2.9 out of 5 from 13 ratings, while SWAM Flute averages 4.0 from 4 ratings.
Do Xkey Plus or SWAM Flute have ads?
Neither Xkey Plus nor SWAM Flute shows ads.
Which is updated more often, Xkey Plus or SWAM Flute?
Xkey Plus ships an update every 3 months, and SWAM Flute every 5 weeks. Most recently, Xkey Plus was updated on November 1, 2026 and SWAM Flute on November 6, 2026.

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