# Decibel Meter Ultra vs GridGrabber

The clearest difference is in-app purchases: GridGrabber at none against Decibel Meter Ultra's 7. GridGrabber also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). Decibel Meter Ultra's advantage is update cadence (every 10 days vs monthly). On price and ads there is nothing between them.

Both are free to download. Decibel Meter Ultra sells 4 in-app purchases, starting at $7.99 per 7 days. GridGrabber asks for nothing beyond the download.

Decibel Meter Ultra ships an update every 10 days, GridGrabber monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Decibel Meter Ultra | GridGrabber |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.6K ratings)](https://appshunter.io/ios/app/decibel-meter-ultra/id1643525961/reviews)** | — |
| Number of ratings | **2.6K** | — |
| Positive reviews | 43.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 5 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | +12 | 4+ |
| Developer | [Ultrafine](https://appshunter.io/developer/1558108175) | [Janis Abolins](https://appshunter.io/developer/6798236851) |

## What reviewers say

### 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


### GridGrabber

[App page](https://appshunter.io/ios/app/gridgrabber/id6798236849)

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter Ultra free?

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

### Is GridGrabber free?

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

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

Neither Decibel Meter Ultra nor GridGrabber shows ads.

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

Decibel Meter Ultra ships an update every 10 days, and GridGrabber monthly. Most recently, Decibel Meter Ultra was updated on November 3, 2026 and GridGrabber on October 31, 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.*