# Decibel Meter vs FlowVis

The clearest difference is in-app purchases: FlowVis at none against Decibel Meter's 4. FlowVis also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel Meter sells 4 in-app purchases, starting at $1.99 per 7 days. FlowVis asks for nothing beyond the download.

## The numbers

| Metric | Decibel Meter | FlowVis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (719 ratings)](https://appshunter.io/ios/app/decibel-meter-db/id1521325229/reviews)** | — |
| Number of ratings | **719** | — |
| Positive reviews | 56.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 3 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Devnex](https://appshunter.io/developer/1486636842) | [Kona Labs](https://appshunter.io/developer/1622720212) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-db/id1521325229)

Easily measure sound levels with this accurate and intuitive tool. It displays current, maximum, and average decibel values, along with a graphical overview for quick comprehension. This utility is completely free to use.

**Highlights:** Simple and easy to use, Quick and accurate dB measuring, All-in-one meter, Maximum, current, and average values, Gauge meter display, Values displayed in graph

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Weekly Subscription | $3.99 | per 7 days |
| Half-Yearly Subscription | $9.49 | per 6 months |

**What reviewers like**

- 🚀 Fast and reliable
- 👍 Easy to use
- 🔍 Accurate readings
- 📏 Good for monitoring sound levels
- 🔊 Useful for music/audio enthusiasts

**What reviewers complain about**

- 🐛 Crashes/freezes on some devices
- 💰 Misleading about free features
- 📢 Excessive ads/prompts to buy premium
- 🤔 Inconsistent readings compared to other apps

**Reported bugs**

- Unable to close the app or cancel Google requests
- Recordings not saving despite claims of free saving

**Requested features**

- Add ability to save/export recordings
- Provide more customization options (weighting, etc.)
- Improve stability and reduce crashes


### FlowVis

[App page](https://appshunter.io/ios/app/flowvis/id6754526529)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter free?

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

### Is FlowVis free?

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

### Do Decibel Meter or FlowVis have ads?

Decibel Meter shows ads; FlowVis does not.

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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.*