# Decibel Meter vs Fish Helper Pro

The clearest difference is review sentiment: Fish Helper Pro at 100% against Decibel Meter's 57%. Fish Helper Pro also leads on in-app purchases (none vs 4) and ads (none vs shown). Decibel Meter's advantage is rating (4.6 vs 1.0) and update cadence (every 6 weeks vs every 37 months). On price and device support there is nothing between them.

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

Decibel Meter holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Decibel Meter has 715 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 57% of Decibel Meter's written reviews are positive against 100% of Fish Helper Pro's, so the app with the better star average is not the one people write more warmly about.

Decibel Meter ships an update every 6 weeks, Fish Helper Pro every 37 months. The most recent releases landed on September 22, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Decibel Meter | Fish Helper Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (715 ratings)](https://appshunter.io/ios/app/decibel-meter-db/id1521325229/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/fish-helper-pro/id1660531410/reviews) |
| Number of ratings | **715** | 1 |
| Positive reviews | 56.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 37 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 6 MB |
| Requires iOS | 16.1 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Devnex](https://appshunter.io/developer/1486636842) | [定敢 刘](https://appshunter.io/developer/1194376703) |

## 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


### Fish Helper Pro

[App page](https://appshunter.io/ios/app/fish-helper-pro/id1660531410)

This app enhances universal fish detectors using XDX encoding. It displays underwater curves, sonar maps, fish schools, and water temperature. Users can adjust detection sensitivity and display settings for a better fishing experience.

**Highlights:** XDX encoding support, Underwater curve display, Original and disk sonar maps, Fish school detection, Water temperature display, Adjustable detection sensitivity

**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 Fish Helper Pro free?

Fish Helper Pro is free to download, with no in-app purchases.

### Which has better reviews, Decibel Meter or Fish Helper Pro?

Decibel Meter is rated higher. Decibel Meter averages 4.6 out of 5 from 715 ratings, while Fish Helper Pro averages 1.0 from 1 ratings.

### Do Decibel Meter or Fish Helper Pro have ads?

Decibel Meter shows ads; Fish Helper Pro does not.

### Which is updated more often, Decibel Meter or Fish Helper Pro?

Decibel Meter ships an update every 6 weeks, and Fish Helper Pro every 37 months. Most recently, Decibel Meter was updated on September 22, 2026 and Fish Helper Pro on June 11, 2026.

---

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