# Sound Meter (dB) vs Studio 8551

The clearest difference is rating: Studio 8551 at 5.0 against Sound Meter (dB)'s 4.4. Studio 8551 also leads on in-app purchases (none vs 3) and update cadence (every 2 days vs fortnightly). Sound Meter (dB)'s advantage is ratings volume (34 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sound Meter (dB) sells 3 in-app purchases, starting at $4.99 per 7 days. Studio 8551 asks for nothing beyond the download.

Studio 8551 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Sound Meter (dB) has 34 ratings behind it against 2, so its average is the more settled of the two.

Sound Meter (dB) ships an update fortnightly, Studio 8551 every 2 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sound Meter (dB) | Studio 8551 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (34 ratings)](https://appshunter.io/ios/app/sound-meter-db-dbshift/id6748414234/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/studio-8551/id6754598903/reviews)** |
| Number of ratings | **34** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 38 MB | 5 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Futsum Semhar](https://appshunter.io/developer/1760043046) | [Giuseppe Bassani](https://appshunter.io/developer/558817864) |

## What reviewers say

### Sound Meter (dB)

[App page](https://appshunter.io/ios/app/sound-meter-db-dbshift/id6748414234)

Analyze and record sound levels in real-time with precise decibel readings. Monitor your auditory environment, set custom alerts for exceeding thresholds, and track historical data for insights into audio patterns. Ideal for professionals and curious individuals alike.

**Highlights:** Real-time decibel measurement, Audio recording with sound level correlation, Graphical sound intensity analysis, Customizable decibel alerts, Historical sound data tracking, Calibration options for accuracy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dBShift Premium | $4.99 | per 7 days |
| dBShift Premium | $4.99 | per 7 days |
| dBShift Premium | $19.99 | per year |


### Studio 8551

[App page](https://appshunter.io/ios/app/studio-8551/id6754598903)

Experience a curated music journey with exclusive DJ sets, live performances, and global sounds. Enjoy high-quality streaming, personalized alerts, and social sharing for a soundtrack that fits every moment.

**Highlights:** Exclusive DJ sets, Live performances, Curated playlists, 24/7 high-quality streaming, Show and DJ alerts, Social sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sound Meter (dB) free?

Sound Meter (dB) is free to download, with in-app purchases available.

### Is Studio 8551 free?

Studio 8551 is free to download, with no in-app purchases.

### Which has better reviews, Sound Meter (dB) or Studio 8551?

Studio 8551 is rated higher. Sound Meter (dB) averages 4.4 out of 5 from 34 ratings, while Studio 8551 averages 5.0 from 2 ratings.

### Do Sound Meter (dB) or Studio 8551 have ads?

Neither Sound Meter (dB) nor Studio 8551 shows ads.

### Which is updated more often, Sound Meter (dB) or Studio 8551?

Sound Meter (dB) ships an update fortnightly, and Studio 8551 every 2 days. Most recently, Sound Meter (dB) was updated on November 5, 2026 and Studio 8551 on October 30, 2026.

---

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