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 integrates with spreadsheets for inventory management, event check-ins, and label creation. Advanced features like sheet checking and custom QR styling are available.

Highlights
  • Batch QR code and barcode scanning
  • Spreadsheet import for stock counts
  • Generate print-ready labels
  • Export to Excel, CSV, PDF
  • Supports 21 barcode formats
  • Customizable QR code styling
  • Offline and private operation
Features
Read full description

ScanBatch is a batch barcode and QR code tool for stock counts, receiving, retail labels and event check-in. Scan one code or hundreds, check them against your own spreadsheet, generate print-ready labels, and export everything to Excel, CSV or PDF. Single scanning is free; Pro unlocks batch work and export. — What's inside — · Sheet Check (NEW): import an Excel or CSV list — a stock sheet, packing list or guest list — pick the column to compare, and start scanning. Each code is matched instantly: green when it's found, yellow if it was already checked, red if it isn't on the list. Progress is saved after every scan, so you can pause and pick up where you left off. When you're done, export a copy of your sheet with scanned rows highlighted or ticked, plus optional "Not in list" and "Unchecked" tabs. Importing and scanning are free; exporting needs Pro. · Batch scanning: continuous scanning with automatic de-duplication and counting. Edit quantities inline, and let auto-sort rules route codes into batches by prefix, suffix or keyword. · Multiple codes in one frame: aim at a sheet of labels and tap the one you need — handy for case packs and pallet tags. · Photo scanning: pick a photo from your library when the code is far away or already captured. · 21 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. · Generate from spreadsheets: map columns from Excel or CSV and create hundreds of codes on print-ready label sheets. · QR styling: colors, logos, dot styles and eye shapes, with 21 templates to start from. · Export anywhere: scan history to Excel, CSV or PDF; generated codes as a PNG ZIP or PDF labels, or share to any app. · Made for big screens: side-by-side layouts on iPad and iPhone Duo — scan on one side while the checklist updates on the other. · Private and offline: everything stays on your device. No account, no sign-in, no uploads. — Built for — · Warehouse & inventory: stock counts, receiving and shipping checks, reconciling SKUs against your stock sheet. · Retail: price labels, branded QR codes, shelf audits. · Events & ticketing: check guests against the attendee list and export who's in. · Publishing & logistics: ISBN, GS1-128 and ITF-14 scanning and generation. · Everyday: open links, create vCards, design and share QR codes. — ScanBatch Pro — · Unlocks batch scanning, batch generation, spreadsheet import for generation, label printing and export, including Sheet Check exports. · Choose a Weekly, Monthly or Yearly subscription, or a one-time Lifetime purchase when it's offered. · Prices, currency and any free trial are pulled live from the App Store and shown on the subscription screen before you buy. · Payment is charged to your Apple ID when you confirm. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel them anytime in your Apple ID settings. · Lifetime is a single purchase with no renewals. — Privacy — · No account, and scan content is never uploaded to any server. · The camera is used only for live scanning; Photos access only for scanning images and saving exports. · Purchases are handled by Apple and RevenueCat and never reach our servers. — Support — Privacy Policy: https://www.aivoxx.com/scan/privacy.html Terms of Use: 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 3.7) and update cadence (every 2 weeks vs every 2 months). Decibel Meter Plus Pro's advantage is ratings volume (81 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 3.7. That said, the two scores are not equally well evidenced: Decibel Meter Plus Pro has 81 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 November 1, 2026 and November 5, 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
Rating3.7 (81 ratings)5.0 (3 ratings) — better
Positive reviews52.8% of reviews—
Number of ratings81 — 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 MB56 MB
Age rating4+4+
Developer华芳 张晶 黄

Customer experience

Decibel Meter Plus Pro

All ratings81 ratings
Positive70.4%
Neutral3.7%
Negative25.9%
Written reviews127 reviews
Positive52.8%
Neutral7.9%
Negative39.4%

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$0.99
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 3.7 out of 5 from 81 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 November 1, 2026 and ScanBatch · QR Code Scanner on November 5, 2026.

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