Comparison

Decibel Meter Plus Pro vs ScanBatch · QR Code Scanner

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

ScanBatch · QR Code Scanner

This tool allows for efficient batch scanning and generation of QR codes and barcodes. It supports numerous code formats and offers features like automatic deduplication, data import/export, and customizable QR code designs. Operate locally and offline with no account required.

Highlights
  • Batch scanning and generation
  • Support for 21 code formats
  • Automatic deduplication and counting
  • Photo scanning from library
  • Export to Excel, CSV, PDF
  • Spreadsheet-driven code generation
  • Customizable QR code designs
  • Local and offline operation
Features
Read full description

ScanBatch is a batch barcode and QR-code tool built for warehouse inventory, retail labels, event check-in and everyday code scanning. Single scan is free for everyone; upgrade to Pro to unlock batch scanning, batch generation, data import, label printing and full export. — Why ScanBatch — · 21 code formats: QR, Data Matrix, Aztec, PDF417, EAN-13/8, UPC-A/E, Code-128/39/93, Codabar, ITF, ITF-14, ITF-16, GS1-128, ISBN, EAN-5/2, Telepen, RM4SCC and POSTNET. · Inventory in minutes: continuous scanning with automatic deduplication and counting. Multi-frame detection picks the right code, and quantity is editable inline. · Multi-code in one frame: point the camera at a sheet of labels and tap the one you need — perfect for case-packs and pallet tags. · Photo scanning: pick a photo from the library when the code is far away or already captured. If a code can't be re-rendered, we show your original photo so you never lose context. · Take your data anywhere: export scan history to Excel, CSV or PDF; export generated codes as a PNG ZIP, print-ready PDF labels, or share to any app. · Spreadsheet-driven generation: map columns from Excel or CSV and batch-generate hundreds of codes onto print-ready label sheets. · QR beautification: colors, logos, dot styles, eye shapes — apply one of 21 preset templates or customize freely. · Local & offline: all data lives on your device. No account, no sign-in, no upload. — Built for — · Warehouse / inventory: monthly counts, receiving and outbound, SKU counting and reconciliation. · Retail / shops: batch price labels, brand-colored QR codes, label printing. · Events / ticketing: continuous ticket check-in, attendance export. · Publishing / logistics: real-world ISBN, GS1-128 and ITF-14 recognition and generation. · Personal: scan to open links, generate vCards, beautify and share QR codes. — Pro Subscription — · Four levels unlock the same Pro feature set: Weekly, Monthly, Yearly, and Lifetime as a one-time (limited time event) purchase. · Pricing, currency and trial eligibility are pulled live from the App Store and clearly shown on the subscription page. · Subscriptions auto-renew unless cancelled at least 24 hours before the trial ends. Manage or cancel anytime in your Apple ID account settings. · The one-time lifetime purchase unlocks every Pro feature permanently with no renewals. · See the Terms of Use and Privacy Policy linked at the bottom of the subscription page. — Privacy & Offline — · No accounts, no sign-in, no upload of scan content to any server. · Camera permission is used solely for live scanning; Photos permission only for image-based scanning and exports. · Purchase data is handled by RevenueCat and Apple — never touches our servers. — SUPPORT — Questions, bugs, feature requests: vooxxoow@gmail.com Privacy policy: https://www.aivoxx.com/scan/privacy.html Terms of service: https://www.aivoxx.com/scan/terms.html

Screenshots

Decibel Meter Plus Pro4 screens
ScanBatch · QR Code Scanner4 screens

Verdict

The call

The clearest difference is price: ScanBatch · QR Code Scanner at Free against Decibel Meter Plus Pro's $0.99. ScanBatch · QR Code Scanner also leads on rating (5.0 vs 3.8) and update cadence (every 2 weeks vs every 2 months). Decibel Meter Plus Pro's advantage is ratings volume (80 vs 3). On ads, in-app purchases, 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

ScanBatch · QR Code Scanner is free to download; Decibel Meter Plus Pro costs $0.99 up front. Decibel Meter Plus Pro sells 1 one-off in-app purchase and ScanBatch · QR Code Scanner sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ScanBatch · QR Code Scanner holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Decibel Meter Plus Pro has 80 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Decibel Meter Plus Pro ships an update every 2 months, ScanBatch · QR Code Scanner every 2 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

Scorecard5 real differences · 5 level
Decibel Meter Plus Pro versus ScanBatch · QR Code Scanner: the parameters behind the verdict, then further details
ParameterDecibel Meter Plus ProScanBatch · QR Code Scanner
Price$0.99Free — better
Rating3.8 (80 ratings)5.0 (3 ratings) — better
Positive reviews52.4% of reviews—
Number of ratings80 — better3
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size12 MB54 MB
Age rating4+4+
Developer华芳 张晶 黄

Customer experience

Decibel Meter Plus Pro

All ratings80 ratings
Positive71.3%
Neutral3.8%
Negative25.0%
Written reviews126 reviews
Positive52.4%
Neutral7.9%
Negative39.7%

ScanBatch · QR Code Scanner

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Decibel Meter Plus Pro

One-time1
  • Unlimited Reports$2.99
4 purchases

ScanBatch · QR Code Scanner

Subscriptions3
  • Weekly Pro$2.997 Days
  • Monthly Pro$4.991 Month
  • Annual Pro1 Month trial$14.991 Year
One-time1
  • Lifetime Pro$17.99

Questions

Is Decibel Meter Plus Pro free?
Decibel Meter Plus Pro costs $0.99, and also offers in-app purchases.
Is ScanBatch · QR Code Scanner free?
ScanBatch · QR Code Scanner is free to download, with in-app purchases available.
Which has better reviews, Decibel Meter Plus Pro or ScanBatch · QR Code Scanner?
ScanBatch · QR Code Scanner is rated higher. Decibel Meter Plus Pro averages 3.8 out of 5 from 80 ratings, while ScanBatch · QR Code Scanner averages 5.0 from 3 ratings.
Do Decibel Meter Plus Pro or ScanBatch · QR Code Scanner have ads?
Neither Decibel Meter Plus Pro nor ScanBatch · QR Code Scanner shows ads.
Which is updated more often, Decibel Meter Plus Pro or ScanBatch · QR Code Scanner?
Decibel Meter Plus Pro ships an update every 2 months, and ScanBatch · QR Code Scanner every 2 weeks. Most recently, Decibel Meter Plus Pro was updated on September 21, 2026 and ScanBatch · QR Code Scanner on September 18, 2026.

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