Comparison

Decibel Meter Plus Pro vs NotePocket

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 Pro

Measure the sound levels around you with this utility app. It displays average, peak, and max values, offers decibel exposure time guidelines, and provides information on noise-induced hearing loss. The app also allows data recording and export for analysis.

Highlights
  • Measure sound levels
  • Display average, peak, and max values
  • Decibel exposure time guidelines
  • Information on noise-induced hearing loss
  • Record and export data
  • Calibrate measurements
  • Universal app support
Features
Read full description

Decibel Meter Plus Pro turns your iPhone or iPad into a clean and easy-to-use sound level meter. Measure the noise around you in real time, view current, average, max, and peak dB readings, save measurement sessions, and export reports when you need to keep a record. Whether you want to check a quiet room, monitor everyday environmental noise, compare sound levels over time, or save a simple noise report, Decibel Meter Plus Pro gives you a clear and modern way to do it. KEY FEATURES • Real-time decibel meter View live sound levels with a large, easy-to-read meter. • Current, average, max, and peak values Quickly understand how sound levels change during a measurement session. • Live noise trend See noise changes over time instead of relying on a single number. • Save measurement sessions Keep useful sound level records for later review. • Session history Browse saved sessions with date, duration, average level, max level, and noise category. • Session reports Review key sound level stats, noise trend charts, location notes, and report details. • Export & share reports Export saved reports as an image, PDF, or CSV file. A limited number of free report exports is included. Unlock Unlimited Reports with a one-time purchase for unlimited exports. • Optional location saving Save location information only with sessions you manually save. • Calibration Adjust readings to better match a reference sound meter. • Noise level guide Learn common sound levels and tips for better measurements. • iPhone and iPad support Enjoy a redesigned interface that works beautifully on both iPhone and iPad. • 30+ languages The app is now localized for users around the world. • Privacy-friendly design Audio is processed on your device and is not uploaded. UNLIMITED REPORTS Unlimited Reports is an optional one-time unlock for users who want unlimited image, PDF, and CSV report exports. No subscription is required. SUPPORT If you have questions, feedback, or need help with purchases or report exports, please contact us at: ipixeltech@gmail.com IMPORTANT NOTE Decibel Meter Plus Pro uses the built-in microphone on your device. Readings are intended for general reference and everyday noise checks. For certified workplace testing, legal compliance, or professional acoustic measurement, please use certified sound level equipment.

About

NotePocket

Features
Read full description

NotePocket is a clean and simple note app designed for quick capture and focused organization. Write notes in seconds Create a note the moment an idea appears. Keep titles and long-form text together in a calm, lightweight editor built for everyday use. Stay organized Sort your notes by date or title, switch between list and grid layouts, and organize everything with custom categories. Use search to find notes quickly and browse by calendar when you want to see what you wrote on a specific day. Make notes more useful Pin important notes, add checklist items for tasks, attach photos for visual context, and share note content when needed. Private by default Your notes are stored on your device. No account is required, and there are no ads or online tracking built into the app. NotePocket is ideal for personal reminders, work notes, shopping lists, plans, and everyday ideas.

Screenshots

Decibel Meter Plus Pro4 screens
NotePocket4 screens

Verdict

The call

The clearest difference is price: NotePocket at Free against Decibel Meter Plus Pro's $3.99. NotePocket also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). Decibel Meter Plus Pro's advantage is ads (none vs shown). On device support and iOS requirement 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

NotePocket is free to download; Decibel Meter Plus Pro costs $3.99 up front. Decibel Meter Plus Pro sells 1 one-off in-app purchase. NotePocket asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel Meter Plus Pro ships an update every 2 months, NotePocket every 3 weeks. The most recent releases landed on September 30, 2026 and September 12, 2026 respectively.

Scorecard4 real differences · 6 level
Decibel Meter Plus Pro versus NotePocket: the parameters behind the verdict, then further details
ParameterDecibel Meter Plus ProNotePocket
Price$3.99Free — better
Rating3.8 (80 ratings) — better—
Positive reviews52.4% of reviews—
Number of ratings80 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size12 MB6 MB
Age rating4+4+
Developer华芳 张兵瑞 陈

In-app purchases

1 purchases

Decibel Meter Plus Pro

One-time1
  • Unlimited Reports$2.99
None

NotePocket

No in-app purchases

Questions

Is Decibel Meter Plus Pro free?
Decibel Meter Plus Pro costs $3.99, and also offers in-app purchases.
Is NotePocket free?
NotePocket is free to download, with no in-app purchases.
Do Decibel Meter Plus Pro or NotePocket have ads?
NotePocket shows ads; Decibel Meter Plus Pro does not.
Which is updated more often, Decibel Meter Plus Pro or NotePocket?
Decibel Meter Plus Pro ships an update every 2 months, and NotePocket every 3 weeks. Most recently, Decibel Meter Plus Pro was updated on September 30, 2026 and NotePocket on September 12, 2026.

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