MZ Assistant vs Decibel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MZ Assistant
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MZ Assistant provides you a lot of useful information about your Soccer Team that it collects using the official ManagerZone tools web services. The information is consolidated for quick and easy access, and it's organized in a user-friendly interface. For instance, you can consult information about: Player Details, Leagues, Matches, Standings, Tactics, Trainings, etc.
Decibel
Measure, analyze, and protect your hearing with this comprehensive sound level meter. It offers real-time decibel readings, noise exposure monitoring, and tools for audio exploration like frequency generation and speaker cleaning.
- Real-time sound level measurement (dB)
- Noise exposure monitoring (Dosimeter)
- Interactive recording and visualization
- Frequency generator
- Speaker cleaner
- Frequency hearing test
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Decibel Meter Pro: Measure, Protect, and Explore Sound From noisy streets to powerful machinery, sound is everywhere. But prolonged exposure to loud noise can damage your hearing. Decibel Meter Pro is your all-in-one tool for sound measurement, hearing protection, and audio exploration. Engineered for precision and loaded with advanced features, it's perfect for anyone who values their hearing or works with sound. Why Choose Decibel Meter Pro? Professionally calibrated for accuracy, Decibel Meter Pro delivers top-tier performance without the high cost of traditional sound level meters. Whether you're safeguarding your ears, testing audio equipment, or simply curious about the sounds around you, this app is your go-to solution. Key Features √Sound Level Meter ● Accurately measure real-time sound levels in decibels (dB). ● Track and log noise levels with thousands of readings per second. √Interactive Recording & Visualization ● Record and visualize noise trends with stunning graphs. ● Analyze, save, and share your sound data effortlessly. √Photo Integration ● Take photos with real-time sound level overlays for unique and shareable content. √Dosimeter for Hearing Health ● Monitor your daily noise exposure and take steps to protect your ears. √Speaker Cleaner ● Remove dust and debris from your device's speakers using targeted sound frequencies. Restore audio clarity with ease! √Frequency Generator ● Generate custom frequencies for testing audio equipment, conducting experiments, or personal use. √Frequency Hearing Test ● Test your hearing with our interactive frequency range test. Understand your auditory limits and track your hearing health over time. Hearing Protection & Awareness Decibel Meter Pro is more than a tool—it’s your partner in hearing health. Identify harmful noise levels, monitor your exposure, and take proactive steps to safeguard your ears. Who’s It For? Whether you're an audio engineer, musician, sound hobbyist, or someone looking to protect their hearing, Decibel Meter Pro combines professional-grade tools with a sleek, easy-to-use design. Download Decibel Meter Pro Today! Measure, protect, and explore the world of sound. Take charge of your hearing health and audio experiences now! Privacy: https://t.ly/fddTr EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Decibel at Free against MZ Assistant's $1.99. Decibel also leads on iOS requirement (13.1 vs 15.0). MZ Assistant's advantage is in-app purchases (none vs 10) and update cadence (every 10 days vs monthly). On 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
Decibel is free to download; MZ Assistant costs $1.99 up front. Decibel sells 10 in-app purchases, starting at $1.99 per 7 days. MZ Assistant asks for nothing beyond the download.
MZ Assistant ships an update every 10 days, Decibel monthly. The most recent releases landed on October 8, 2026 and November 9, 2026 respectively.
| Parameter | MZ Assistant | Decibel |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 4.4 (322 ratings) — better |
| Positive reviews | — | 81.0% of reviews |
| Number of ratings | — | 322 — better |
| Update frequency | Every 10 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.1 — better |
| Further details — not scored | ||
| Size | 29 MB | 80 MB |
| Age rating | 17+ | 17+ |
| Developer | Ivan Svicarevic | EYWIN BILGI TEKNOLOJILERI ANONIM SIRKETI |
Bugs and requests
MZ Assistant
Not enough reviews yet to summarise bugs or requests.
Decibel
Reported bugs
2 issues- Background activity drains battery
- Subscription cancellation not obvious
Requested features
1 request- Clear cancellation instructions
In-app purchases
MZ Assistant
No in-app purchases
Decibel
- Grooz DB Meter Weekly$1.997 Days
- Weekly Decibel Meter$2.997 Days
- weekly premium$3.997 Days
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- Weekly PRO Decibel$4.997 Days
- Monthly Premium$6.991 Month
- Unlimited Weekly PRO$7.997 Days
- Monthly Decibel Sonic PRO$12.991 Month
- Annual Decibel Meter3 Days trial$29.991 Year
- Yearly Premium3 Days trial$39.991 Year
- Yearly Decibel Sonic PRO3 Days trial$44.991 Year









