Humiditrak vs Strum Machine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Humiditrak
Protect your musical instruments from damaging environmental changes. This app works with a Bluetooth sensor to monitor temperature, humidity, and impacts, sending alerts to your devices when conditions become hazardous. Easily manage and monitor your instrument collection.
- Real-time temperature monitoring
- Real-time humidity monitoring
- Impact detection alerts
- Bluetooth sensor integration
- Instrument collection management
- Hazardous condition notifications
Read full descriptionHide full description
Musical instruments can be easily damaged by large and rapid changes in humidity and temperature. Now you can protect your investment by simply placing D’Addario’s Humiditrak or TKL's Safe & Sound with Blustream Technology inside your instrument or case. Humiditrak and Safe & Sound use a patent-pending Bluetooth sensor to provide a constant stream of temperature, humidity, and impact data to the free smart phone app to alert you of hazardous conditions that can lead to diminished playability, costly repairs, and lost value of your instrument. When Humiditrak detects dangerous conditions, notifications are sent to all your devices allowing you to take corrective action before damage occurs. Cataloging and monitoring a collection of instruments is so easy and convenient, you’ll want one for every instrument you own! D'Addario is known for innovative, problem-solving, quality musical accessories. D'Addario accessories offer a complete line of award-winning accessories including cables, picks, tuners, capos, straps, humidifiers, maintenance tools and more. Find out more about the Humiditrak at www.daddario.com/humiditrak/.
Strum Machine
Generate realistic backing tracks for practice with real instrument audio. Customize chord progressions, keys, and tempo. Features a large song library, song editor, and band customization options. Works offline and syncs across devices.
- Realistic instrument audio backing tracks
- Customizable chord progressions, keys, and tempo
- Extensive song library
- Simple song editor
- Band and instrument customization
- Cross-platform syncing and offline mode
Read full descriptionHide full description
Elevate your music practice with customizable backing tracks generated with audio from real instruments (guitar, mandolin, and standup bass). Strum Machine can play any chord progression, in any key, at any speed. It's the only backing-track app built specifically for players of bluegrass, old-time, fiddle tunes, and other such genres. (Although it works pretty good for some jazz/swing now, too!) Why musicians of all levels love Strum Machine: • Realistic Sound: Backing tracks are assembled in real time from studio-quality instrument recordings. • Quick Adjustments: Instantly adjust the speed/tempo, change the key, loop part of a song, etc. • Auto-Speedup: Gradually increase the BPM at the end of every repetition for training purposes. • Chord Reference: Clean, beautiful chord charts, which can be displayed in letters or numbers (i.e. "1-4-5"). • Extensive Library: Over 1,300 songs (mostly from bluegrass and old-time) ready to go, with thousands more posted on the community forum. • Simple Song Editor: Add your own songs (or edit existing ones) in minutes. Almost every chord you can play on a guitar is available for use. • Customize the Band: Choose from a variety of built-in band styles, then optionally customize each instrument individually – adjust the strumming pattern, add automatic bass runs, and more. • Organize & Share: Create song lists for practicing or even performing, and share them with your friends or on the community forum. • Cross-Platform: Sync your custom songs, lists, and preferences with any device you use Strum Machine on: phone, tablet, or computer. (It works offline, too!) • Responsive Support: If you run into any problems or have questions, write us an email or post a message on the forum and someone will get back to you within a few days! Strum Machine is under active development and we're always working on ways to make the app even more useful to our users... while keeping it uncluttered and intuitive first and foremost. Discover how Strum Machine can improve your music practice today! Download Strum Machine and play a handful of demo songs instantly, without signing up. For the full experience, including access to all built-in songs and the ability to create your own, start a free trial. Terms of Use: https://strummachine.com/terms Privacy Policy: https://strummachine.com/privacy
Screenshots
Verdict
The clearest difference is review sentiment: Strum Machine at 89% against Humiditrak's 34%. Strum Machine also leads on rating (4.7 vs 2.6) and update cadence (fortnightly vs every 2 months). Humiditrak's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 15.4). On price, ratings volume, ads 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. Strum Machine sells 1 in-app purchase, starting at $4.99 per month. Humiditrak asks for nothing beyond the download.
Strum Machine holds the better App Store score, 4.7 against 2.6. Both are backed by a comparable volume of ratings — 54 and 120 respectively. Written reviews point the same way: 34% of Humiditrak's written reviews are positive against 89% of Strum Machine's.
Humiditrak ships an update every 2 months, Strum Machine fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Humiditrak | Strum Machine |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (54 ratings) | 4.7 (120 ratings) — better |
| Positive reviews | 33.8% of reviews | 88.7% of reviews — better |
| Number of ratings | 54 | 120 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #133 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 43 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | D'Addario & Company, Inc. | Luke Abbott LLC |
Customer experience
Humiditrak
Strum Machine
Bugs and requests
Humiditrak
Reported bugs
87 issues- Battery life not accurate
- App not opening
- App quit working
- Device won't update
- Disappeared from list of instruments
Show 82 moreShow fewer
- Couldn't detect device
- Fail to give readings
- Don't push warnings
- Support link doesn't work
- Impossible to update settings
- Impossible to see dropdown menus
- App crashes
- Bluetooth connection intermittent
- Readings not reliable
- Quits working intermittently
- Troubleshooting needed frequently
- Device is a brick
- Customer support is a joke
- Attempted to re-link, not reading
- Alerts inconsistent/non-existent
- Low battery warning inconsistent
- Cannot set alert thresholds
- Cannot set guitar brand
- Picklist box has no options
- App won't let me update settings
- Won't let me update purchase date
- Won't let me update temp/humidity min/max
- App fails to update
- App fails to send notifications
- Has not logged readings for months
- Bluetooth is sluggish
- Slow to respond
- Never get alerts pushed
- Works 40% of the time
- App connects fine initially, then not
- Gives false data when not connected
- Sensors drained batteries
- App showed 80% battery but drained
- App back working like before
- Great product and good tech support
- App eats phone battery in background
- Device batteries drain fast
- Reads incorrectly
- Erratic readings after new battery
- No reset or calibration on unit
- No way to 'tune' the Humiditrak
- Message 'sensor updates in two weeks' for months
- App completely stopped working after iOS update
- App stuck on loading screen
- App no longer refreshes data
- 10 hours without data updated
- Sync only by shutting down and restarting app
- App finally launched successfully
- Servers back up
- App no longer works
- App crashes constantly
- App cannot work correctly
- Latest update broke the app
- Impact details crash the app
- Averages are missing
- Humidity and temperature go haywire
- User guide menu does not work
- Readings do not update on iPhone throughout the day
- App is not plug and play
- Confusing for a simple humidity tracker
- Sign in does not show on iPads
- App is very spotty
- Empty blips in hourly measurements
- 6 hour block with no data
- App crashes when adding new sensor
- App does not remember user
- Login failed
- App takes forever to open
- Pairs with iPhone but won't connect to app
- No directions on how to reset
- App cannot load from last iOS update
- App crashed
- App stopped recognizing user
- Required to log in, then wouldn't accept password
- Error messages when trying to reset password
- Lost all historic data
- Device stopped working after 4 months
- Unit had issue during upgrade
- Instructions do not fit issue
- Device does not light nor connect to Bluetooth
- Limited Bluetooth range
- App is free, but tracker costs $
Requested features
10 requests- Updates installed when needed
- Widget for quick reference
- Open Source the app
- Dark mode option
- Russian language support
Show 5 moreShow fewer
- Note section for guitar details
- Wi-Fi enabled second generation
- Manual refresh button
- Suggested install in manual
- Better coordination across devices
Strum Machine
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Humiditrak
No in-app purchases
Strum Machine
- Monthly Subscription14 Days trial$4.991 Month
Questions
Is Humiditrak free?
Is Strum Machine free?
Which has better reviews, Humiditrak or Strum Machine?
Do Humiditrak or Strum Machine have ads?
Which is updated more often, Humiditrak or Strum Machine?
Other comparisons















