# Decibel Meter vs Scream Tracker

The clearest difference is review sentiment: Decibel Meter at 57% against Scream Tracker's 0%. Decibel Meter also leads on rating (4.3 vs 3.3) and ratings volume (907 vs 3). Scream Tracker's advantage is in-app purchases (none vs 9) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel Meter sells 8 in-app purchases, starting at $1.99 per 7 days. Scream Tracker asks for nothing beyond the download.

Decibel Meter holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: Decibel Meter has 907 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 57% of Decibel Meter's written reviews are positive against 0% of Scream Tracker's.

Decibel Meter ships an update every 2 weeks, Scream Tracker every 5 weeks. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Decibel Meter | Scream Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (907 ratings)](https://appshunter.io/ios/app/decibel-meter-measure-db-level/id1274038012/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/scream-tracker-detect-noises/id1437779862/reviews) |
| Number of ratings | **907** | 3 |
| Positive reviews | **56.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 107 MB | 13 MB |
| Requires iOS | **13** | 13.7 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文波 曾](https://appshunter.io/developer/1557199654) | [Pawel Jobkiewicz](https://appshunter.io/developer/1321299221) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-measure-db-level/id1274038012)

Transform your phone into a professional-grade decibel meter for real-time noise detection. Features advanced algorithms, noise visualization, and recording capabilities for comprehensive sound analysis.

**Highlights:** Military-grade algorithm, Professional GB weighted detection, Noise recording, Noise classification system, AI ambient noise visualization, Noise dosimeter

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free trail then subscribe | $1.99 | per 7 days |
| 分贝测试仪专业版 | $2.99 | per 3 months |
| 分贝仪专业版 | $2.99 | per 7 days |
| 分贝测试仪专业版 | $4.49 | per 6 months |
| Pro Monthly Subscription | $5.49 | per month |
| 分贝测试仪专业版 | $25.99 | per year |
| Remove advertisement | $0.99 | one-time |
| 终身尊享权益 | $29.99 | one-time |

**What reviewers like**

- 👍 Accurate decibel measurements
- 🚀 Easy to use
- 💡 Useful for various applications (e.g. restaurants, heating systems)
- 🚀 Free version works great

**What reviewers complain about**

- 🐛 Inaccurate readings at higher decibel levels
- 🔒 Requires location access for no apparent reason
- 🔒 Excessive ads and subscription model
- 🐛 Compatibility issues (e.g. no iPad support, Chinese EULA)

**Reported bugs**

- Decibel readings capped at 90 dB
- Displaying incorrect address information
- Crashing or freezing on launch
- Showing 70 dB in a completely silent room

**Requested features**

- Landscape mode for iPad
- Ability to detect sounds above 90 dB
- Option to disable ads or switch to a paid version


### Scream Tracker

[App page](https://appshunter.io/ios/app/scream-tracker-detect-noises/id1437779862)

This application detects and records loud noises or screams. Users can set a custom threshold for what constitutes a "scream" and the app will automatically capture audio above that level. It's designed to help settle disputes about shouting.

**Highlights:** Noise detection, Scream level adjustment, Sound recording, Customizable threshold, Noise level monitoring

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter free?

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

### Is Scream Tracker free?

Scream Tracker is free to download, with no in-app purchases.

### Which has better reviews, Decibel Meter or Scream Tracker?

Decibel Meter is rated higher. Decibel Meter averages 4.3 out of 5 from 907 ratings, while Scream Tracker averages 3.3 from 3 ratings.

### Do Decibel Meter or Scream Tracker have ads?

Decibel Meter shows ads; Scream Tracker does not.

### Which is updated more often, Decibel Meter or Scream Tracker?

Decibel Meter ships an update every 2 weeks, and Scream Tracker every 5 weeks. Most recently, Decibel Meter was updated on November 3, 2026 and Scream Tracker on November 2, 2026.

---

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