Decibel Meter vs Link App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter
Transform your smartphone into a precise sound measuring device. This app uses your phone's microphone to display real-time decibel levels with clear descriptions. Analyze sound over time, calibrate for accuracy, and share your findings easily.
- Real-time decibel measurement
- Min, average, and max sound levels
- Apple Watch integration
- Customizable calibration
- Data sharing (CSV, screenshots)
- Historical data tracking
- Cloud data storage
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Turn your smartphone into a sound measuring device. Our app uses a built-in microphone to display current decibels level with a corresponding, easily readable text description, and you can start/stop a measurement to get an average as well as min and max values from a specific period of time. - Precision Sound Measurement: Turn your smartphone into a high-accuracy sound meter! Displays real-time decibel levels with clear text descriptions. - Comprehensive Data Analysis: Capture minimum, average, and maximum sound levels. Perfect for analyzing specific time periods and sound environments. - Seamless Watch Integration (Apple Watch): Effortlessly control measurements from your wrist with our Apple Watch app. Hands-free and interference-free! - Customizable Calibration: Manually or automatically adjust decibel input values to fit your needs. Perfect for personalized sound measurement. - Easy Data Sharing: Share sound level readings instantly. Export as CSV or share engaging screenshots with friends or colleagues. - Historical Data Tracking: Revisit your sound measurements with our intuitive history screen. Displays all your past data with detailed statistics. - Cloud Data Security: Keep your data safe and accessible anywhere with our cloud services. Log in with social media or email on any device. - Adaptive Display Settings: Customize your display for short or long-term monitoring. Keep your screen on to always have an eye on your recordings. - Features Exclusive to Apple Watch - Remote Measurement Control: Manage your phone's sound measurements directly from your Apple watch. Simplify your experience! - Real-Time Monitoring on Your Wrist: Monitor current sound levels conveniently on your Apple Watch device. Stay informed effortlessly! Using the calibration option, you can adjust the input decibels values according to your needs. You can also screenshot the whole view and share it with friends. The history screen allows you to see your saved data with the date, time, avg, and max values along with the CSV file from the whole span of measurement, which you can also share as you please. Keep your data safe with our cloud services, which allows you to create accounts and store your data.. Log in using your social media accounts or email to a different device to see and share your data. In settings, you can set up chart length according to your needs, whether you want to see a short period of time or a longer time span. Also, you can change the settings to keep your screen on in order to keep an eye on your recordings at all times. Our app comes with a brand new application for Apple Watch devices. You can easily control your measurements with your watch without having to touch your phone. Controlling the measurements with the watch avoids interference! Privacy policy: https://mysticmobileapps.com/legal/privacy/decibelmeter Terms and conditions: https://mysticmobileapps.com/legal/terms/decibelmeter
Link App
This app assists coffee roasters by recommending ideal roast profiles based on detailed coffee input. It offers advanced features for various coffee types and roasting conditions, ensuring optimal results.
- Algorithmic roast profile selection
- Altitude calibration
- Arabica advanced input
- All species mode for non-Arabica
- Advanced roast details
- Heirloom cupping for landrace varieties
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The Link App is the accompanying mobile application for the Link Sample Roaster by Nucleus Coffee Tools and Kaffelogic. Utilising this app, Link users can input a range of information about the coffee they wish to roast, and the app’s algorithmic profile selection will provide the most ideal recommendation for roast Profile Pack, Power Curve/Roast Profile, Suggested Development Range, Fan Action (fan speed), and the Expected First Crack for each coffee. The Link App also has several features to accommodate different coffee roasting scenarios, including Altitude Calibration, Arabica Advanced to input the screen size of coffees, All Species Mode for non-Arabica coffees, Advanced Roast Details for roast batch size, and Heirloom Cupping for landrace varieties.
Screenshots
Verdict
The clearest difference is in-app purchases: Link App at none against Decibel Meter's 2. Link App also leads on ads (none vs shown) and review sentiment (67% vs 40%). Decibel Meter's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (222 vs 5). On price 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. Decibel Meter sells 2 in-app purchases, starting at $0.99 per month. Link App asks for nothing beyond the download.
Link App holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Decibel Meter has 222 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 40% of Decibel Meter's written reviews are positive against 67% of Link App's.
Decibel Meter ships an update every 3 weeks, Link App every 3 months. The most recent releases landed on November 2, 2026 and October 22, 2026 respectively.
| Parameter | Decibel Meter | Link App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (222 ratings) | 4.6 (5 ratings) — better |
| Positive reviews | 40.5% of reviews | 66.7% of reviews — better |
| Number of ratings | 222 — better | 5 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 51 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | MYSTIC MOBILE APPS LLC | Samuel Corra |
Customer experience
Decibel Meter
Link App
In-app purchases
Decibel Meter
- Monthly Sound Meter+14 Days trial$0.991 Month
- Annual Sound Meter+14 Days trial$5.991 Year
Link App
No in-app purchases
Questions
Is Decibel Meter free?
Is Link App free?
Which has better reviews, Decibel Meter or Link App?
Do Decibel Meter or Link App have ads?
Which is updated more often, Decibel Meter or Link App?
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