Decibels vs Decibel Meter Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibels
Measure and analyze ambient noise levels with a stylish interface. Capture photos with sound level data, and share or print your findings. Enhance analysis with advanced features like frequency weighting and chart recording through an in-app purchase.
- Analog dB(A) display
- Photo with sound level
- Share/print/store photos
- Select frequency weightings (A, C, Z)
- Record decibels on strip charts
- Annotate strip charts
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Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you with precision & style. Features: - Smooth analog display of dB(A) - Take photo with sound level display - Share, print, and store sound level photos Extra Features (with purchase): - Select frequency weightings A, C, and Z - Record decibels on beautiful strip charts - Annotate the strip charts - Share, print, and store the strip charts This app uses the internal microphone to estimate the sound pressure level in decibels (dB SPL). Examples: - quiet bedroom at night: 30 dB - average home: 50 dB - vacuum cleaner, 1m away: 70 dB - jet aircraft, 50 m away: 140 dB
Decibel Meter Master
This tool transforms your iPhone into a professional sound level meter. It accurately measures ambient noise levels, providing real-time decibel readings directly on your device.
- Measures sound level
- Acts as a decibel meter
- Uses iPhone as a meter
- Measures noise level
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Decibel Meter Master makes your iPhone as a sound level meter，it can measure noise level.
Screenshots
Verdict
The clearest difference is in-app purchases: Decibel Meter Master at none against Decibels's 2. Decibel Meter Master also leads on ratings volume (3.2K vs 265) and iOS requirement (9.0 vs 11.0). Decibels's advantage is update cadence (weekly vs every 6 months) and review sentiment (67% vs 52%). On price, rating, 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. Decibels sells 2 one-off in-app purchases. Decibel Meter Master asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for Decibels against 4.6 for Decibel Meter Master. That said, the two scores are not equally well evidenced: Decibel Meter Master has 3.2K ratings behind it against 265, so its average is the more settled of the two. Written reviews are what separate them: 67% of Decibels's written reviews are positive against 52% of Decibel Meter Master's.
Decibels ships an update weekly, Decibel Meter Master every 6 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | Decibels | Decibel Meter Master |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (265 ratings) | 4.6 (3.2K ratings) — better |
| Positive reviews | 66.9% of reviews — better | 51.9% of reviews |
| Number of ratings | 265 | 3.2K — better |
| Update frequency | Weekly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | David Bannach | 燕辉 冯 |
Customer experience
Decibels
Decibel Meter Master
User reviews
Decibels
From 265 App Store ratingsWhat we love
- 👍 Simple and straightforward
- 📏 Effective for measuring sound levels
- 🔍 Useful for various applications (e.g. home, construction)
- 🎨 Clean and elegant interface
- 💡 Ability to take photos with readings
Room to improve
- 🐛 Occasional crashes or freezes
- 🔢 Limited measurement range (max 100 dB)
- 🔍 Questionable accuracy, especially at lower levels
- 📊 Lack of advanced features (e.g. digital readout, data logging)
Decibel Meter Master
From 3.2K App Store ratingsWhat we love
- 🚀 Simple and easy to use
- 👍 Useful for measuring sound levels
- 🆓 Free app
Room to improve
- 🐛 Inaccurate readings
- 🔍 Questionable security with clipboard access
- 🔧 Doesn't work consistently
Bugs and requests
Decibels
Reported bugs
3 issues- Crashes when trying to save images
- Compatibility issues with newer iOS versions
- Needle getting stuck at certain levels
Requested features
5 requests- Digital readout in addition to analog meter
- Ability to save/export measurement history
- Support for different weighting scales (A, C, Z)
- Landscape mode support
- Customizable appearance options
Decibel Meter Master
Reported bugs
2 issues- Spelling mistakes in the app
- Inconsistent behavior across devices
Requested features
3 requests- Add calibration option
- Ability to save and review measurements
- Frequency profile display
In-app purchases
Decibels
- Professional Controls$1.99
- Beautiful Strip Chart Recorder$2.99
Decibel Meter Master
No in-app purchases
Questions
Is Decibels free?
Is Decibel Meter Master free?
Which has better reviews, Decibels or Decibel Meter Master?
Do Decibels or Decibel Meter Master have ads?
Which is updated more often, Decibels or Decibel Meter Master?
Other comparisons
