Comparison

Light Meter vs QR Code ULTIMATE

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

Head to head
About

Light Meter

This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.

Highlights
  • Real-time illuminance measurement
  • Color temperature measurement
  • PPFD/PAR and DLI calculation
  • Built-in illumination calculator
  • Share and save measurements
  • No additional equipment needed
Read full description

Lux-525 Pro – universal, highly-precise, and easy to use light meter. - Requires no additional equipment, everything you need is already in your phone - Calibrated with professional light meter - Smart algorithm provides unsurpassed accuracy in all conditions - Real-time measurements of illuminance, color temperature, PPFD/PAR, DLI and luminous flux - Large collection of light sources necessary for accurate calculation of PPFD/PAR and DLI - Built-in calculator for convenient and precise calculation of various illumination parameters (PPFD, DLI, Lux, Fc, Lumens) - Share your measurements via a text message or email or save them to your phone Lux-525 Pro is the best-in-class digital light meter on the phone. It is intended for personal use and may not fully replace industrial-grade light meters. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://n17dev.web.app/light-meter/policy.html

About

QR Code ULTIMATE

Features
Read full description

QR Code ULTIMATE is a powerful QR code and barcode creator for iPhone and iPad. Create, scan, style, save, and export codes for everyday use, business, events, products, menus, Wi-Fi, contacts, payments, tickets, inventory, and more. Create rich QR codes with colors, rounded dots, custom QR eyes, frames, labels, emoji logos, and high-quality export options. Build simple black-and-white codes or polished branded codes for print, social media, packaging, signs, flyers, menus, and customer sharing. The app supports many useful QR content types, including website URLs, plain text, Wi-Fi, contacts, email, SMS, phone numbers, locations, calendar events, App Store links, social profiles, payment links, WhatsApp, FaceTime, deep links, crypto wallets, SEPA transfers, 2FA, coupons, review links, restaurant menus, emergency info, asset tags, product info, inventory, room booking, surveys, warranties, smart home setup, classes, memberships, and ticket links. You can also create barcodes with Code 128, PDF417, and Aztec formats. Useful presets help you make product IDs, tickets, Wi-Fi passes, contact IDs, URL tokens, and other compact barcode content. Scan QR codes and barcodes with the camera, copy results, open links, save scans to your library, or turn a scan into a new editable code. The library keeps your saved codes organized with search, filters, metadata, previews, duplicate actions, and export tools. Export your codes as PNG images, save them to Photos, save them to Files, share them with other apps, export PDF files, or back up your library as JSON. Choose from multiple PNG resolutions, including high-resolution options for print and poster use. QR Code ULTIMATE is built for quick personal use and serious professional workflows. It helps you create clean, scannable, and good-looking QR codes and barcodes without clutter. KEY FEATURES - Create QR codes and barcodes - Scan QR codes and barcodes - Rich QR styling with colors, frames, eyes, dots, and logos - Many QR content types for links, Wi-Fi, contacts, payments, menus, products, and more - Barcode support for Code 128, PDF417, and Aztec - Save, search, filter, duplicate, and edit saved codes - Export PNG, PDF, and JSON - Save images to Photos or Files - High-resolution export options - Works on iPhone and iPad Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Light Meter4 screens
QR Code ULTIMATE4 screens

Verdict

The call

The clearest difference is iOS requirement: Light Meter at 15.5 against QR Code ULTIMATE's 17.0. On price, ads, in-app purchases and device support 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

Both are free to download. Light Meter sells 4 in-app purchases, starting at $3.99 per month and QR Code ULTIMATE sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Light Meter versus QR Code ULTIMATE: the parameters behind the verdict, then further details
ParameterLight MeterQR Code ULTIMATE
PriceFreeFree
Rating4.5 (116 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings116 — better—
Update frequencyEvery 10 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.5 — better17.0
Further details — not scored
Size17 MB3 MB
Age rating4+4+
DeveloperAndrey IvankinGeekme

In-app purchases

4 purchases

Light Meter

Subscriptions2
  • Premium Monthly Subscription3 Days trial$3.991 Month
  • Premium Monthly Subscription3 Days trial$4.991 Month
One-time2
  • Premium Lifetime Subscription$19.99
  • Premium Lifetime Subscription$29.99
2 purchases

QR Code ULTIMATE

Subscriptions2
  • Pro$0.991 Month
  • Pro$9.991 Year

Questions

Is Light Meter free?
Light Meter is free to download, with in-app purchases available.
Is QR Code ULTIMATE free?
QR Code ULTIMATE is free to download, with in-app purchases available.
Do Light Meter or QR Code ULTIMATE have ads?
Neither Light Meter nor QR Code ULTIMATE shows ads.

Other comparisons