Comparison

Mysa vs Nix Toolkit

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

Head to head
About

Mysa

Control your home's heating and cooling remotely, set schedules, and monitor energy usage to save money and energy. Integrates with smart home platforms for seamless control.

Highlights
  • Remote access from anywhere
  • Customizable heating/cooling schedules
  • Geofencing for occupancy detection
  • Energy usage monitoring
  • Smart home platform integration
  • Shared access control
  • Vacation mode
Features
Read full description

With Mysa's regularly-updated, feature-packed mobile app, you get seriously smart control and home energy savings — all you need is a WiFi connection. Remote access from anywhere via the Mysa app means you can easily set heating or cooling schedules, use geofencing, see your heating and cooling usage, and much more. Stay energy-efficient and save money (and the planet!) with a few simple taps from your smartphone or tablet. Mysa works with your favourite smart home platforms and home assistants, so you stay conveniently connected and in control. Compatibility: Mysa for Electric Baseboard Heaters works with high voltage baseboard, convector (short cycle), fan-forced convector (long cycle), and radiant ceiling heating systems. Mysa for Electric In-Floor Heating works with most high voltage electric in-floor heating systems and flooring types. Mysa for Air Conditioners replaces remotes with displays for most ductless mini-split heat pump, window, or portable air conditioners. Energy-Saving App Features: Remote Control: Get out there. Use your smartphone or tablet to control your home heating or cooling from wherever you are. Scheduling: Life's busy. Create the flexible heating or cooling schedule that works best for you in less than a minute. Bye-bye, buttons! Geolocation: Boundaries are important. Mysa uses your location to detect if anyone is home, so that you're not paying to heat or cool an empty house. Shared Access: Teamwork works. Share access to your account easily so others can control your Mysas through the Mysa app. Vacation Mode: Take a well-deserved break. Away from home for a while? No worries! Mysa will keep helping you save energy while you're away. Energy Insights (Baseboard, In-Floor, AC): Track and monitor your humidity, setpoint, and temperature to create efficient heating or cooling schedules. Energy Spending (Baseboard & In-Floor): See your spending. Track your real-time energy use in kWh cost to find ways to reduce your electricity bill. Energy Runtime (AC): Get cool insights. Know your AC's runtime history and use it for help with making smart decisions about your cooling or heating schedules.

About

Nix Toolkit

This app connects to Nix Sensor devices to provide color scanning and analysis. It offers features like single scans, access to premium color databases, and custom library creation. Users can view digital color values and spectral curves, and match scanned colors to extensive libraries.

Highlights
  • Single scan color analysis
  • Access to premium color databases
  • Create and share custom color libraries
  • Multipoint average scanning
  • Nix Paints feature
  • Nix Quality Control feature
Read full description

The Nix Toolkit is the new all-in-one companion app for our Nix Sensor device line-up. It’s compatible with all Nix Mini, Nix Pro, Nix QC, and Nix Spectro devices. Functions in the app will be turned on and off depending on which device you have connected. Functions include: 1. “Single scan” (available for all devices) 2. “Premium databases” (available for all devices) 3. “Create and share custom library (Compatible with Nix Pro, Spectro and QC devices only) 4. “Multipoint average scanning for all tools” 5. "Nix Paints feature" 6. "Nix Quality Control feature" The “Single scan” function displays digital values (CIELAB, HEX, and RGB) and Spectral curve on swipe (Spectro device only) when you scan a sample with your Nix Color Sensor. Premium databases offer paid subscriptions to world-class color libraries (including Pantone, RAL, and NCS). Once subscribed you can browse the entire library, and scan and match to the closest color. The Nix Toolkit app lets you take control of how you perceive color. Select from dark or light mode, or use your own system settings. If you have any questions, please don’t hesitate to contact us. We’d love to help with whatever questions or issues you have. Please note that a free account is required to use the app (you will be prompted to create one when you first open the app). A Nix device (Mini, Pro, QC, or Spectro) is required to unlock app functions. Learn more about the Nix Sensor line-up at www.nixsensor.com. If you find any bugs please contact us directly at info@nixsensor.com and our team will attend to them quickly. Nix®, Nix Pro™, and Nix Mini™ are trademarks of Nix Sensor Ltd. All other trademarks used herein are simply references to trademarks owned by others and are not intended as trademark use. Terms of use: https://www.nixsensor.com/legal/

Screenshots

Mysa4 screens
Nix Toolkit4 screens

Verdict

The call

The clearest difference is rating: Nix Toolkit at 4.7 against Mysa's 3.8. Mysa's advantage is in-app purchases (none vs 10) and ratings volume (572 vs 190). On price, review sentiment, update cadence 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. Nix Toolkit sells 10 in-app purchases, starting at $4.99 per month. Mysa asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nix Toolkit holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 572 and 190 respectively. Written reviews point the same way: 30% of Mysa's written reviews are positive against 33% of Nix Toolkit's.

UpkeepUpdate frequency

Mysa ships an update every 4 weeks, Nix Toolkit every 6 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Mysa versus Nix Toolkit: the parameters behind the verdict, then further details
ParameterMysaNix Toolkit
PriceFreeFree
Rating3.8 (572 ratings)4.7 (190 ratings) — better
Positive reviews30.0% of reviews32.8% of reviews — better
Number of ratings572 — better190
Update frequencyEvery 4 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size58 MB68 MB
Age rating4+4+
DeveloperEmpowered Homes Inc.Nix Sensor Ltd.

Customer experience

Mysa

All ratings572 ratings
Positive66.4%
Neutral8.4%
Negative25.2%
Written reviews227 reviews
Positive30.0%
Neutral18.5%
Negative51.5%

Nix Toolkit

All ratings190 ratings
Positive93.7%
Neutral1.1%
Negative5.3%
Written reviews58 reviews
Positive32.8%
Neutral5.2%
Negative62.1%

User reviews

Mysa

From 572 App Store ratings

What we love

  • 🚀 Great product
  • 🚀 Excellent thermostats
  • 🚀 Allows more metrics than Nest
  • 🚀 Excellent HomeKit integration
  • 👍 Easy to use

Room to improve

  • 🐛 Buggy app
  • 🐛 Crashes frequently
  • 🐛 Unreliable connectivity
  • 🐛 Inconsistent user experience
  • 🔋 Drains battery

Nix Toolkit

From 190 App Store ratings

What we love

  • 👍 Excellent color matches
  • 👍 Accurate color scanning
  • 👍 Fantastic app and product
  • 👍 Easy to use (for some)
  • 👍 Solid app, cool concept

Room to improve

  • 🐛 App crashes frequently
  • 🐛 Poor connection issues
  • 🐛 App is unusable without signal
  • 🐛 Purchased libraries don't work
  • 🐛 Paint libraries not downloading

Bugs and requests

Mysa

Reported bugs

5 issues
  • App crashes when changing schedules
  • Thermostat settings not syncing properly
  • Geofencing not working as expected
  • Incompatibility with newer iOS versions
  • Inability to add new devices

Requested features

6 requests
  • Dark mode option
  • Brightness control scheduling
  • Improved HomeKit integration
  • Ability to disable display
  • Geofencing improvements
Show 1 more
  • More scheduling flexibility

Nix Toolkit

Reported bugs

24 issues
  • Sensor crashes if you tab out of the app
  • Takes 5-6 attempts to connect with device
  • Purchased libraries not showing up
  • WiFi router stopping download
  • App crashes since update
Show 19 more
  • App crashes before doing anything
  • App is always 90 degrees wrong on iPads
  • Unit is wildly off even after calibration
  • Constantly prompts for password
  • App took money but won't provide access to Pantone library
  • Cannot connect consistently
  • Battery dead and would not charge
  • Cannot get hold of support
  • Birthday fields don't work on signup
  • Email support form has 'undefined' error
  • App resets settings if device disconnected or phone locked
  • App won't boot up, stuck on 'downloading paints database'
  • Constantly 'downloading paints database'
  • App freezes as soon as you connect
  • App freezes or disconnects constantly
  • App freezes screen and cannot scroll
  • App stuck on downloading paint database
  • App doesn't load up
  • App is stuck downloading paint database

Requested features

20 requests
  • Ability to save and export bulk data as .csv
  • Allow tabbing out of app while collecting data
  • Download paint library without phone signal
  • Show multiple vendor color matches at once
  • Full UI overhaul with iOS conventions
Show 15 more
  • Easier way to scan for color values
  • Easier way to match to paint brands
  • Easier way to save and export data
  • Landscape support for iPads
  • Ability to calibrate sensor
  • On-demand calibration
  • Better password management (Face ID, Apple Keychain)
  • Ability to create custom libraries easily
  • Improved user flow and UI
  • Ability to scan color and get RGB/other values
  • Option to scan color and get multiple paint/other library matches
  • Bring back Nix Paints app functionality
  • More intuitive way to save colors
  • Allow offline use of paint libraries
  • More affordable subscription for Pantone access

In-app purchases

None

Mysa

No in-app purchases

10 purchases

Nix Toolkit

Subscriptions10
  • RAL$4.991 Month
  • Glass Packaging Institute$8.991 Month
  • NCS$9.991 Month
Show 7 more
  • Pantone FHI$9.991 Month
  • Pantone PMS$9.991 Month
  • RAL$49.991 Year
  • NCS$99.991 Year
  • Pantone FHI$99.991 Year
  • Pantone PMS$99.991 Year
  • Glass Packaging Institute$100.001 Year

Questions

Is Mysa free?
Mysa is free to download, with no in-app purchases.
Is Nix Toolkit free?
Nix Toolkit is free to download, with in-app purchases available.
Which has better reviews, Mysa or Nix Toolkit?
Nix Toolkit is rated higher. Mysa averages 3.8 out of 5 from 572 ratings, while Nix Toolkit averages 4.7 from 190 ratings.
Do Mysa or Nix Toolkit have ads?
Neither Mysa nor Nix Toolkit shows ads.
Which is updated more often, Mysa or Nix Toolkit?
Mysa ships an update every 4 weeks, and Nix Toolkit every 6 weeks. Most recently, Mysa was updated on October 13, 2026 and Nix Toolkit on October 14, 2026.

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