# GV vs Decibel Meter X

The clearest difference is review sentiment: Decibel Meter X at 100% against GV's 50%. Decibel Meter X also leads on rating (4.8 vs 3.0) and update cadence (every 4 weeks vs every 8 months). GV's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Decibel Meter X holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Decibel Meter X has 49 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of GV's written reviews are positive against 100% of Decibel Meter X's.

GV ships an update every 8 months, Decibel Meter X every 4 weeks. The most recent releases landed on June 4, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | GV | Decibel Meter X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/gv-notify/id934705807/reviews) | **[4.8 (49 ratings)](https://appshunter.io/ios/app/decibel-meter-x/id6478142605/reviews)** |
| Number of ratings | 2 | **49** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 64 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Geovision](https://appshunter.io/developer/314532695) | [永超 侯](https://appshunter.io/developer/906391544) |

## What reviewers say

### GV

[App page](https://appshunter.io/ios/app/gv-notify/id934705807)

Access live video feeds, playback recordings, and receive event notifications from connected GV-VMS and GV-Recording Servers. Monitor security systems remotely from any iOS device.

**Highlights:** Monitoring, Live view, Remote playback, Notification alarm, Query Heatmap, POS/Counter Chart, 360 View mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Meter X

[App page](https://appshunter.io/ios/app/decibel-meter-x/id6478142605)

This application precisely measures sound levels and analyzes audio spectrums. It can also generate specific frequency sounds for testing, research, or therapeutic purposes. Its intuitive interface makes sound exploration accessible to all users.

**Highlights:** Precise decibel level measurement, Audio spectrum analysis, Spectrogram display, Generate specific frequency sounds, Intuitive user interface, Detailed usage instructions

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

**In-app purchases:** none


## Frequently asked questions

### Is GV free?

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

### Is Decibel Meter X free?

Decibel Meter X is free to download, with no in-app purchases.

### Which has better reviews, GV or Decibel Meter X?

Decibel Meter X is rated higher. GV averages 3.0 out of 5 from 2 ratings, while Decibel Meter X averages 4.8 from 49 ratings.

### Do GV or Decibel Meter X have ads?

Neither GV nor Decibel Meter X shows ads.

### Which is updated more often, GV or Decibel Meter X?

GV ships an update every 8 months, and Decibel Meter X every 4 weeks. Most recently, GV was updated on June 4, 2026 and Decibel Meter X on September 11, 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.*