Decibel Meter Master vs Noise Decibel Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
Decibel Meter Master makes your iPhone as a sound level meter，it can measure noise level.
Noise Decibel Meter
Measure real-time, maximum, and average decibel levels. Record data from each test and keep the screen on for continuous monitoring. Features a simple and intuitive interface.
- Real-time decibel measurement
- Maximum decibel tracking
- Average decibel calculation
- Data recording per test
- Screen always on option
- Simple interface
Read full descriptionHide full description
Support real-time decibel and maximum decibel, and average decibel Data can be recorded for each test Can be set to keep the screen always on Simple interface design
Screenshots
Verdict
The clearest difference is ads: Decibel Meter Master at none against Noise Decibel Meter's shown. Decibel Meter Master also leads on ratings volume (3.2K vs 46) and update cadence (every 6 months vs every 18 months). Noise Decibel Meter's advantage is review sentiment (75% vs 52%). On price, rating, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for Decibel Meter Master against 4.6 for Noise Decibel Meter. That said, the two scores are not equally well evidenced: Decibel Meter Master has 3.2K ratings behind it against 46, so its average is the more settled of the two. Written reviews are what separate them: 52% of Decibel Meter Master's written reviews are positive against 75% of Noise Decibel Meter's.
Decibel Meter Master ships an update every 6 months, Noise Decibel Meter every 18 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.
| Parameter | Decibel Meter Master | Noise Decibel Meter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (3.2K ratings) | 4.6 (46 ratings) — better |
| Positive reviews | 51.9% of reviews | 75.0% of reviews — better |
| Number of ratings | 3.2K — better | 46 |
| Update frequency | Every 6 months — better | Every 18 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 25 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | 燕辉 冯 | 标勇 张 |
Customer experience
Decibel Meter Master
Noise Decibel Meter
Bugs and requests
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
Noise Decibel Meter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Decibel Meter Master
No in-app purchases
Noise Decibel Meter
No in-app purchases
Questions
Is Decibel Meter Master free?
Is Noise Decibel Meter free?
Which has better reviews, Decibel Meter Master or Noise Decibel Meter?
Do Decibel Meter Master or Noise Decibel Meter have ads?
Which is updated more often, Decibel Meter Master or Noise Decibel Meter?
Other comparisons
