# Qfind vs Decibel Detector

The clearest difference is update cadence: Qfind at every 10 days against Decibel Detector's every 5 months. Qfind also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Qfind ships an update every 10 days, Decibel Detector every 5 months. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Qfind | Decibel Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-detector/id6745181319/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 months |
| Monetization | — | Free |
| Size | 18 MB | 33 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [标 何](https://appshunter.io/developer/865933036) | [北京泰燊信息技术有限公司](https://appshunter.io/developer/1784907008) |

## What reviewers say

### Qfind

[App page](https://appshunter.io/ios/app/qfind/id1633360867)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Detector

[App page](https://appshunter.io/ios/app/decibel-detector/id6745181319)

This app provides real-time environmental noise monitoring and data tracking. It offers smart alerts for custom noise thresholds and generates professional PDF reports. Adaptable to various scenarios, it helps users understand acoustic data and identify sound sources.

**Highlights:** Real-time decibel monitoring, Historical data tracking, Customizable smart alerts, Multi-scenario adaptation, Professional PDF reporting, FFT spectrum analysis, Environmental noise classification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Qfind free?

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

### Is Decibel Detector free?

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

### Do Qfind or Decibel Detector have ads?

Neither Qfind nor Decibel Detector shows ads.

### Which is updated more often, Qfind or Decibel Detector?

Qfind ships an update every 10 days, and Decibel Detector every 5 months. Most recently, Qfind was updated on September 14, 2026 and Decibel Detector on September 9, 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.*