# NoiSee vs Decibel

The clearest difference is price: Decibel at Free against NoiSee's $0.99. Decibel also leads on update cadence (monthly vs every 5 months) and review sentiment (81% vs 65%). NoiSee's advantage is chart position (#165 vs unranked). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Decibel is free to download; NoiSee costs $0.99 up front. NoiSee sells 4 one-off in-app purchases and Decibel sells 10 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for NoiSee against 4.4 for Decibel. Both are backed by a comparable volume of ratings — 243 and 322 respectively. Written reviews are what separate them: 65% of NoiSee's written reviews are positive against 81% of Decibel's.

NoiSee ships an update every 5 months, Decibel monthly. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | NoiSee | Decibel |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (243 ratings)](https://appshunter.io/ios/app/noisee/id549239949/reviews)** | [4.4 (322 ratings)](https://appshunter.io/ios/app/decibel-db-noise-level-meter/id6464403884/reviews) |
| Number of ratings | 243 | **322** |
| Positive reviews | 64.7% of reviews | **81.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#165** | — |
| Size | 8 MB | 80 MB |
| Requires iOS | 17.0 | **13.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [EA LAB](https://appshunter.io/developer/1005558529) | [EYWIN BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1492105189) |

## What reviewers say

### NoiSee

[App page](https://appshunter.io/ios/app/noisee/id549239949)

**Currently charting:** #165 Top Paid · Utilities (US App Store)

This app functions as a professional-grade sound level meter for iOS devices. It offers advanced features for occupational health measurements, including noise dose and projected dose calculations. The app utilizes the device's internal microphone and provides accurate readings tested against professional standards.

**Highlights:** Professional-grade sound level meter, Occupational health compliant parameters, Noise DOSE and Elapsed time, Frequency and time weighting options, Spectrum analysis, Calibration features

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Logging | $1.99 | one-time |
| Audio recording | $1.99 | one-time |
| Reporting | $1.99 | one-time |
| Premium octave analysis | $2.99 | one-time |


### Decibel

[App page](https://appshunter.io/ios/app/decibel-db-noise-level-meter/id6464403884)

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.

**Highlights:** Real-time sound level measurement (dB), Noise exposure monitoring (Dosimeter), Interactive recording and visualization, Frequency generator, Speaker cleaner, Frequency hearing test

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grooz DB Meter Weekly | $1.99 | per 7 days |
| Weekly Decibel Meter | $2.99 | per 7 days |
| weekly premium | $3.99 | per 7 days |
| Weekly PRO Decibel | $4.99 | per 7 days |
| Monthly Premium | $6.99 | per month |
| Unlimited Weekly PRO | $7.99 | per 7 days |
| Monthly Decibel Sonic PRO | $12.99 | per month |
| Annual Decibel Meter | $29.99 | per year |
| Yearly Premium | $39.99 | per year |
| Yearly Decibel Sonic PRO | $44.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 📏 Accurate decibel meter
- 🔊 High sound level detection
- 👂 Healthy for ear
- 🏠 Useful for home noise levels

**What reviewers complain about**

- 🔋 High battery usage
- 💸 Difficult to cancel subscription
- 💳 Hidden charges after trial
- ⚠️ Dodgy subscription practices

**Reported bugs**

- Background activity drains battery
- Subscription cancellation not obvious

**Requested features**

- Clear cancellation instructions


## Frequently asked questions

### Is NoiSee free?

NoiSee costs $0.99, and also offers in-app purchases.

### Is Decibel free?

Decibel is free to download, with in-app purchases available.

### Which has better reviews, NoiSee or Decibel?

NoiSee is rated higher. NoiSee averages 4.5 out of 5 from 243 ratings, while Decibel averages 4.4 from 322 ratings.

### Do NoiSee or Decibel have ads?

Neither NoiSee nor Decibel shows ads.

### Which is updated more often, NoiSee or Decibel?

NoiSee ships an update every 5 months, and Decibel monthly. Most recently, NoiSee was updated on November 6, 2026 and Decibel on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*