Comparison

MappasApp vs Decibel Meter

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

Head to head
About

MappasApp

Features
Read full description

Es una aplicación que permite a nuestros clientes llevar un control del avance de obra que sus proveedores han realizado, mostrandoles por fraccionamiento todos los inmuebles tienen programado un avance así como verificando que las partidas estén abiertas para su ejecución. Adicionalmente permite dar seguimiento a las garantías pendientes de atender, facilitando su captura y ejecución.

About

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.

Highlights
  • 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
Features
Read full description

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

Screenshots

Decibel Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: MappasApp at none against Decibel Meter's 2. MappasApp also leads on ads (none vs shown). Decibel Meter's advantage is device support (3 vs 1). On price, update cadence and iOS requirement 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. Decibel Meter sells 2 in-app purchases, starting at $0.99 per month. MappasApp asks for nothing beyond the download.

UpkeepUpdate frequency

MappasApp ships an update every 4 weeks, Decibel Meter every 3 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
MappasApp versus Decibel Meter: the parameters behind the verdict, then further details
ParameterMappasAppDecibel Meter
PriceFreeFree
Rating—4.3 (222 ratings) — better
Positive reviews—40.5% of reviews
Number of ratings—222 — better
Update frequencyEvery 4 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPadiPhone, iPad, Apple Watch — better
Requires iOS15.0 — better16.0
Further details — not scored
Size2 MB51 MB
Age rating4+4+
DeveloperMappasystemsMYSTIC MOBILE APPS LLC

In-app purchases

None

MappasApp

No in-app purchases

2 purchases

Decibel Meter

Subscriptions2
  • Monthly Sound Meter+14 Days trial$0.991 Month
  • Annual Sound Meter+14 Days trial$5.991 Year

Questions

Is MappasApp free?
MappasApp is free to download, with no in-app purchases.
Is Decibel Meter free?
Decibel Meter is free to download, with in-app purchases available.
Do MappasApp or Decibel Meter have ads?
Decibel Meter shows ads; MappasApp does not.
Which is updated more often, MappasApp or Decibel Meter?
MappasApp ships an update every 4 weeks, and Decibel Meter every 3 weeks. Most recently, MappasApp was updated on October 26, 2026 and Decibel Meter on October 29, 2026.

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