# Decibel Meter Ultra vs Jamming!

The clearest difference is in-app purchases: Jamming! at none against Decibel Meter Ultra's 7. Jamming! also leads on rating (5.0 vs 4.6) and update cadence (every 4 days vs every 10 days). Decibel Meter Ultra's advantage is ratings volume (2.6K vs 2). 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. Jamming! asks for nothing beyond the download.

Jamming! 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.

Decibel Meter Ultra ships an update every 10 days, Jamming! every 4 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Decibel Meter Ultra | Jamming! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.6K ratings)](https://appshunter.io/ios/app/decibel-meter-ultra/id1643525961/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/jamming/id6443992438/reviews)** |
| Number of ratings | **2.6K** | 2 |
| Positive reviews | 43.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 92 MB | 60 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | +12 | 17+ |
| Developer | [Ultrafine](https://appshunter.io/developer/1558108175) | [BIG RUBI SOLUTIONS LLC](https://appshunter.io/developer/1704030248) |

## 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


### Jamming!

[App page](https://appshunter.io/ios/app/jamming/id6443992438)

Connect with music professionals and fans on a comprehensive platform. Discover the people and services needed to bring your artistic projects to life. Simplify your creative process by joining the community.

**Highlights:** Connect music professionals and fans, Find necessary services for projects, Platform for artistic endeavors, Facilitates music creation, Community for music enthusiasts

**Features:** macOS Compatibility

**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 Jamming! free?

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

### Which has better reviews, Decibel Meter Ultra or Jamming!?

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

### Do Decibel Meter Ultra or Jamming! have ads?

Neither Decibel Meter Ultra nor Jamming! shows ads.

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

Decibel Meter Ultra ships an update every 10 days, and Jamming! every 4 days. Most recently, Decibel Meter Ultra was updated on November 7, 2026 and Jamming! 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.*