Comparison

Decibel Meter Plus vs ParkTimer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Decibel Meter Plus

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
Read full description

Decibel Meter helps you quickly check the sound level around you using your device’s built-in microphone. Open the app and instantly see the current sound level in decibels. You can use it to get a general idea of everyday noise levels at home, in the office, in classrooms, outdoors, or in other environments. Key Features: • Real-time sound level measurement • Clear decibel display • Average, peak, and maximum values • Simple visual meter and history graph • Calibration adjustment for different devices and environments • Easy-to-use interface for quick checks • Support for iPhone and iPad • Multiple language support • In-app Support for feedback and questions Please note: Decibel readings may vary depending on your device microphone, case, distance from the sound source, background noise, and calibration settings. This app is designed for general reference and everyday use. It is not a replacement for a certified professional sound level meter. Download Decibel Meter and check the sound around you with ease.

About

ParkTimer

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
Read full description

WHY PARKTIMER? Ever paid for an extra hour just because you overstayed by a few minutes at the mall? Forgot which level you parked on and wasted time searching? ParkTimer solves these everyday parking headaches! CORE FEATURES Smart Countdown Timer • Visual ring timer shows time until next rate change • Color-coded alerts: Green (safe) → Orange (warning) → Red (urgent) • Advance notifications ensure you never overpay Flexible Billing Rules • Pre-configured templates for common parking lots • Customize free duration, billing cycles, and rates • Real-time cost estimates keep you informed Quick Spot Recording • Capture photos of your parking spot and surroundings • Save payment QR codes for fast checkout • Photos stored locally, won't clutter your camera roll Dynamic Island & Lock Screen • Live Activities on Dynamic Island (iPhone 14 Pro+) • Lock Screen widgets show time without unlocking • Home Screen widgets for at-a-glance tracking WHO IS IT FOR? • Budget-conscious drivers: Maximize free time, avoid surprise fees • Forgetful parkers: Never lose your car again • Frequent parkers: Perfect for malls, airports, hospitals WHAT MAKES IT SPECIAL • Minimalist design, intuitive interface • Privacy-first: All data stored locally • No registration required, ready to use instantly Park smarter. Save money. Save time.

Screenshots

Decibel Meter Plus4 screens
ParkTimer4 screens

Verdict

The call

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 device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Decibel Meter Plus costs $1.99 and ParkTimer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Decibel Meter Plus ships an update every 6 weeks, ParkTimer every 8 days. Both last shipped on September 29, 2026.

Scorecard8 real differences · 2 level
Decibel Meter Plus versus ParkTimer: the parameters behind the verdict, then further details
ParameterDecibel Meter PlusParkTimer
Price$1.99$0.99 — better
Rating3.0 (125 ratings)4.0 (2 ratings) — better
Positive reviews35.7% of reviews83.3% of reviews — better
Number of ratings125 — better2
Update frequencyEvery 6 weeksEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.8 — better17.0
Further details — not scored
Size14 MB5 MB
Age rating4+4+
Developer华芳 张蕴涛 李

Customer experience

Decibel Meter Plus

All ratings125 ratings
Positive48.8%
Neutral9.6%
Negative41.6%
Written reviews126 reviews
Positive35.7%
Neutral8.7%
Negative55.6%

ParkTimer

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews30 reviews
Positive83.3%
Neutral3.3%
Negative13.3%

Bugs and requests

Decibel Meter Plus

Reported bugs

7 issues
  • 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
Show 2 more
  • Microphone sensitivity cannot be adjusted
  • App crashes or fails to function on some devices

Requested features

6 requests
  • 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
Show 1 more
  • Improved control over graphical display

ParkTimer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Decibel Meter Plus

No in-app purchases

None

ParkTimer

No in-app purchases

Questions

Is Decibel Meter Plus free?
Decibel Meter Plus costs $1.99, 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 September 29, 2026 and ParkTimer on September 29, 2026.

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