# Decibel Meter Plus vs ParkTimer

The clearest difference is review sentiment: ParkTimer at 83% against Decibel Meter Plus's 36%. ParkTimer also leads on rating (4.0 vs 3.0) and update cadence (every 8 days vs every 6 weeks). Decibel Meter Plus's advantage is ratings volume (125 vs 2) and monetization model (free with in-app purchases vs paid). On price, ads and in-app purchases there is nothing between them.

Decibel Meter Plus costs $0.99 and ParkTimer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ParkTimer holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Decibel Meter Plus has 125 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 36% of Decibel Meter Plus's written reviews are positive against 83% of ParkTimer's.

Decibel Meter Plus ships an update every 6 weeks, ParkTimer every 8 days. Both last shipped on October 19, 2026.

## The numbers

| Metric | Decibel Meter Plus | ParkTimer |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [3.0 (125 ratings)](https://appshunter.io/ios/app/decibel-meter-plus/id648142711/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/parktimer-parking-assistant/id6755898890/reviews)** |
| Number of ratings | **125** | 2 |
| Positive reviews | 35.7% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 14 MB | 5 MB |
| Requires iOS | **15.8** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [华芳 张](https://appshunter.io/developer/586041482) | [蕴涛 李](https://appshunter.io/developer/1855735322) |

## What reviewers say

### Decibel Meter Plus

[App page](https://appshunter.io/ios/app/decibel-meter-plus/id648142711)

Measure ambient sound levels and understand their impact on hearing. This app provides real-time decibel readings, exposure time guidelines, and information on noise-induced hearing loss. It helps you identify loud environments and learn how to protect your hearing.

**Highlights:** Measure sound levels, Display average, peak, and max values, Plotted history of average values, Information on NIHL, Decibel exposure time guidelines, Calibrate measurements, Record and export data

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and simple interface
- 📊 Clear visual display with color-coded sound levels
- 🎯 Useful for comparative measurements
- 📈 Includes graphical strip chart functionality
- ⚡ Responsive and quick performance

**What reviewers complain about**

- ❌ Severely inaccurate decibel readings
- 📍 Consistently reads 10-50 dB higher than actual levels
- 🔧 No calibration function available
- 🐛 Doesn't return to 0 dB in silent conditions
- 📱 Requires app updates and iOS compatibility fixes

**Reported bugs**

- App requires developer updates and iOS compatibility fixes
- Baseline reading of 50-80 dB even in complete silence
- Readings spike dramatically with minimal sound input
- Graph display lacks user control
- Inconsistent measurements in same environment

**Requested features**

- Calibration function to adjust readings
- Higher maximum dB limit (120+ dB) for loud events
- Ability to attach photos with meter readings
- Better baseline reset to 0 dB in silence
- dB(A) weighting filter option


### ParkTimer

[App page](https://appshunter.io/ios/app/parktimer-parking-assistant/id6755898890)

This app helps drivers avoid overpaying for parking and easily locate their vehicles. It features a smart countdown timer with color-coded alerts, customizable billing rules, and the ability to record parking spot details like photos and QR codes. Live Activities and widgets provide at-a-glance tracking without unlocking your device.

**Highlights:** Smart countdown timer with visual alerts, Customizable parking billing rules, Record parking spot photos and QR codes, Live Activities for Dynamic Island, Lock Screen and Home Screen widgets, Privacy-first local data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter Plus free?

Decibel Meter Plus costs $0.99, with no in-app purchases.

### Is ParkTimer free?

ParkTimer costs $0.99, with no in-app purchases.

### Which has better reviews, Decibel Meter Plus or ParkTimer?

ParkTimer is rated higher. Decibel Meter Plus averages 3.0 out of 5 from 125 ratings, while ParkTimer averages 4.0 from 2 ratings.

### Do Decibel Meter Plus or ParkTimer have ads?

Neither Decibel Meter Plus nor ParkTimer shows ads.

### Which is updated more often, Decibel Meter Plus or ParkTimer?

Decibel Meter Plus ships an update every 6 weeks, and ParkTimer every 8 days. Most recently, Decibel Meter Plus was updated on October 19, 2026 and ParkTimer on October 19, 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.*