# Decibel Meter Sound Detector vs OneControl Auto

The clearest difference is review sentiment: Decibel Meter Sound Detector at 79% against OneControl Auto's 6%. Decibel Meter Sound Detector also leads on rating (4.7 vs 2.7) and ratings volume (56K vs 818). OneControl Auto's advantage is in-app purchases (none vs 6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Decibel Meter Sound Detector sells 6 one-off in-app purchases. OneControl Auto asks for nothing beyond the download.

Decibel Meter Sound Detector holds the better App Store score, 4.7 against 2.7. That said, the two scores are not equally well evidenced: Decibel Meter Sound Detector has 56K ratings behind it against 818, so its average is the more settled of the two. Written reviews point the same way: 79% of Decibel Meter Sound Detector's written reviews are positive against 6% of OneControl Auto's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Decibel Meter Sound Detector | OneControl Auto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (56K ratings)](https://appshunter.io/ios/app/decibel-meter-sound-detector/id1254994873/reviews)** | [2.7 (818 ratings)](https://appshunter.io/ios/app/onecontrol-auto/id1624690770/reviews) |
| Number of ratings | **56K** | 818 |
| Positive reviews | **78.6% of reviews** | 5.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 183 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashraf Thoppukadavil](https://appshunter.io/developer/1254994872) | [Lippert Components, Inc.](https://appshunter.io/developer/867023615) |

## What reviewers say

### Decibel Meter Sound Detector

[App page](https://appshunter.io/ios/app/decibel-meter-sound-detector/id1254994873)

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

**Highlights:** Real-time decibel (dB) readings, Frequency weighting (A, B, C, Z), Share measurements via various apps, 1/3 octave band frequency analysis, Display current, average, and max values, Advanced filter range settings

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter | $1.99 | one-time |
| Decibel Meter Premium | $4.99 | one-time |
| Decibel Meter | $4.99 | one-time |
| Decibel Meter | $9.99 | one-time |
| Decibel Meter | $19.99 | one-time |
| Decibel Meter | $29.99 | one-time |

**What reviewers like**

- 👍 No bloatware
- 👍 Quite useful
- 👍 Excellent and useful app
- 👍 Easy to use
- 👍 Simple, clear and accurate

**What reviewers complain about**

- 🐛 Ads block settings
- 🐛 Inaccurate readings
- 🐛 Not sensitive at all
- 🐛 Dangerously inaccurate
- 🐛 Unable to record continuously

**Reported bugs**

- Analyze feature is broken
- Analyze feature has backwards time axis
- Repeatedly prompts to paste from clipboard
- Freezes after a few seconds of use

**Requested features**

- Ability to name or add notes to recordings
- Option to specify microphone to use
- Ability to stop and start new recordings without closing app
- Landscape mode
- Calibration against professional equipment


### OneControl Auto

[App page](https://appshunter.io/ios/app/onecontrol-auto/id1624690770)

Control and monitor your trailer remotely via Bluetooth. Adjust brake settings, track tire pressure, and prevent trailer sway for a safer towing experience. Save custom profiles for different trailers and payloads.

**Highlights:** Monitor trailer tire pressure, Control trailer brake output, Prevent trailer sway, Create and save towing profiles, Real-time adjustments while towing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works as expected
- 🚀 Brakes work well
- 🤖 Bluetooth connectivity

**What reviewers complain about**

- 🐛 Frequent Bluetooth disconnections
- 🔒 Privacy concerns with location permissions
- 🔌 Compatibility issues with older devices
- 🤯 Confusing and buggy app
- ⚠️ Dangerous braking issues

**Reported bugs**

- App freezes on location permissions screen
- Brakes locking up unexpectedly
- App unable to connect to Bluetooth device

**Requested features**

- Dark mode option
- Improved Bluetooth stability
- Ability to use old app


## Frequently asked questions

### Is Decibel Meter Sound Detector free?

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

### Is OneControl Auto free?

OneControl Auto is free to download, with no in-app purchases.

### Which has better reviews, Decibel Meter Sound Detector or OneControl Auto?

Decibel Meter Sound Detector is rated higher. Decibel Meter Sound Detector averages 4.7 out of 5 from 56K ratings, while OneControl Auto averages 2.7 from 818 ratings.

### Do Decibel Meter Sound Detector or OneControl Auto have ads?

Neither Decibel Meter Sound Detector nor OneControl Auto shows ads.

### Which is updated more often, Decibel Meter Sound Detector or OneControl Auto?

Decibel Meter Sound Detector ships an update every 5 weeks, and OneControl Auto every 5 weeks. Most recently, Decibel Meter Sound Detector was updated on November 6, 2026 and OneControl Auto on November 3, 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.*