# Vibroscope vs Decibel Meter Ultra

The clearest difference is price: Decibel Meter Ultra at Free against Vibroscope's $7.99. Decibel Meter Ultra also leads on update cadence (every 10 days vs every 8 months) and ratings volume (2.6K vs 2). Vibroscope's advantage is in-app purchases (none vs 7) and rating (5.0 vs 4.6). On review sentiment, ads and device support there is nothing between them.

Decibel Meter Ultra is free to download; Vibroscope costs $7.99 up front. Decibel Meter Ultra sells 4 in-app purchases, starting at $7.99 per 7 days. Vibroscope asks for nothing beyond the download.

Vibroscope holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Decibel Meter Ultra has 2.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 40% of Vibroscope's written reviews are positive against 43% of Decibel Meter Ultra's, so the app with the better star average is not the one people write more warmly about.

Vibroscope ships an update every 8 months, Decibel Meter Ultra every 10 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Vibroscope | Decibel Meter Ultra |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vibroscope/id1034169622/reviews)** | [4.6 (2.6K ratings)](https://appshunter.io/ios/app/decibel-meter-ultra/id1643525961/reviews) |
| Number of ratings | 2 | **2.6K** |
| Positive reviews | 40.0% of reviews | **43.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 92 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | +12 |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Ultrafine](https://appshunter.io/developer/1558108175) |

## What reviewers say

### Vibroscope

[App page](https://appshunter.io/ios/app/vibroscope/id1034169622)

This tool uses your device's accelerometer to analyze vibrations in real-time, even those inaudible to humans. It visualizes acceleration data and offers FFT analysis for frequency components, with options to log measurements.

**Highlights:** Real-time vibration measurement, Inaudible vibration detection, Two-axial coordinate display, Time-axis waveform display, FFT analyzer for frequency components, Data logging to text files, Snapshot of measurement screen

**In-app purchases:** none


### Decibel Meter Ultra

[App page](https://appshunter.io/ios/app/decibel-meter-ultra/id1643525961)

Measure, record, and analyze sound levels in your environment. This app offers precision metering, noise elimination tools, hearing protection features, and home audio calibration. It provides detailed reports and can be used with device microphones or external ones.

**Highlights:** Precision sound level metering, Noise logging and reporting, Hearing protection dosimeter, Fractional octave band analysis, Real-time analyzer, External microphone support

**Features:** iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Access | $7.99 | per 7 days |
| PRO Access | $11.99 | per month |
| PRO Access | $39.99 | per year |
| PRO Access | $39.99 | per year |

**What reviewers like**

- 🎨 Aesthetically pleasing design
- 🔍 Useful noise monitoring features
- 🔍 Ability to collect noise evidence

**What reviewers complain about**

- 💰 Expensive subscription pricing
- 🚫 Misleading free trial claims
- 🚫 Difficult to cancel subscription
- 🔍 Inconsistent noise level readings

**Reported bugs**

- Subscription charges continue after cancellation
- Subscription cancellation page doesn't load

**Requested features**

- Lower subscription pricing
- Improve subscription cancellation process


## Frequently asked questions

### Is Vibroscope free?

Vibroscope costs $7.99, with no in-app purchases.

### Is Decibel Meter Ultra free?

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

### Which has better reviews, Vibroscope or Decibel Meter Ultra?

Vibroscope is rated higher. Vibroscope averages 5.0 out of 5 from 2 ratings, while Decibel Meter Ultra averages 4.6 from 2.6K ratings.

### Do Vibroscope or Decibel Meter Ultra have ads?

Neither Vibroscope nor Decibel Meter Ultra shows ads.

### Which is updated more often, Vibroscope or Decibel Meter Ultra?

Vibroscope ships an update every 8 months, and Decibel Meter Ultra every 10 days. Most recently, Vibroscope was updated on November 6, 2026 and Decibel Meter Ultra on November 7, 2026.

---

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