Comparison

QRlert vs LuxCam Light Meter

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

Head to head
About

QRlert

Features
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QRLert is a cutting-edge utility app designed to streamline attendance management in schools. With a focus on simplicity and efficiency, QRLert empowers teachers to take attendance classwise and effortlessly. The app leverages QR codes for each class, allowing teachers to scan and record student attendance quickly and accurately. One of QrLert's standout features is its real-time communication system that keeps parents informed about their child's daily attendance. Instant notifications are sent to parents, providing them with timely updates on whether their child is present or absent. This proactive approach enhances parental involvement and fosters a sense of collaboration between schools and parents. The app's user-friendly interface ensures easy navigation for both educators and parents. QrLert goes beyond basic attendance tracking by automating the identification of absentees, enabling swift intervention and follow-up measures. Key Features: QR Code Attendance: QrLert simplifies the attendance process by utilizing QR codes for each class. Teachers can scan these codes to mark student presence efficiently. Real-time Parent Notifications: Parents receive instant notifications about their child's attendance status, promoting transparency and strengthening the school-parent partnership. User-Friendly Interface: The intuitive design of QrLert ensures accessibility for educators and parents, creating a seamless experience for all users. Automated Absentee Identification: QrLert automates the identification of absentees, allowing schools to take prompt intervention measures and keep parents informed. Enhanced Communication: The app serves as a powerful communication tool, fostering transparency and collaboration between schools and parents. QrLert isn't just an attendance app; it's a catalyst for positive change in the educational ecosystem. By leveraging technology to simplify administrative tasks, QrLert allows schools to focus on what matters most: providing quality education while keeping parents actively engaged in their child's academic journey. Empower your school with QrLert and embrace a new era of efficient attendance management and parental communication.

About

LuxCam Light Meter

Features
Read full description

LuxCam turns your iPhone camera into a practical light meter for rooms, plants, workspaces, and photo setups. Estimate lux, foot-candles, and EV; compare lighting targets; hold a reading; save a local history; and calibrate against a known meter. LUXCAM PRO SUBSCRIPTION New customers need an active LuxCam Pro subscription to use the meter and its tools. Choose a weekly or yearly plan in the app. Eligible customers can start a three-day free trial of the weekly plan; the yearly plan has no trial. The app shows your local price, billing period, and renewal terms before purchase. Manage or cancel your subscription in your Apple Account settings. If you bought the earlier one-time LuxCam Pro unlock, your lifetime access remains available through Restore Purchases. You do not need a subscription. LuxCam estimates illuminance from camera exposure values and on-device image brightness. It is designed for practical repeatable checks, not legal, safety, or certified laboratory measurements. For critical work, calibrate against a known light meter. PRIVACY LuxCam does not use accounts, analytics, ads, tracking SDKs, or cloud storage. Camera frames are processed on device and are not transmitted. Terms of Use: https://ai-app-generator-sigma.vercel.app/luxmeter/terms.html Privacy Policy: https://ai-app-generator-sigma.vercel.app/luxmeter/privacy.html Requires iOS 17.6 or later.

Screenshots

QRlert3 screens
LuxCam Light Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: QRlert at none against LuxCam Light Meter's 1. QRlert also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, update cadence and ads there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. LuxCam Light Meter sells 1 one-off in-app purchase. QRlert asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 25, 2026.

Scorecard3 real differences ยท 3 level
QRlert versus LuxCam Light Meter: the parameters behind the verdict, then further details
ParameterQRlertLuxCam Light Meter
PriceFreeFree
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS13.0 โ€” better17.6
Further details โ€” not scored
Size52 MB3 MB
Age rating4+4+
DeveloperMOHAMAD AJRUDDINDaniil Mukashev

In-app purchases

None

QRlert

No in-app purchases

1 purchases

LuxCam Light Meter

One-time1
  • LuxCam Pro$3.99

Questions

Is QRlert free?
QRlert is free to download, with no in-app purchases.
Is LuxCam Light Meter free?
LuxCam Light Meter is free to download, with in-app purchases available.
Do QRlert or LuxCam Light Meter have ads?
Neither QRlert nor LuxCam Light Meter shows ads.
Which is updated more often, QRlert or LuxCam Light Meter?
QRlert ships an update every 3 weeks, and LuxCam Light Meter every 3 weeks. Most recently, QRlert was updated on October 25, 2026 and LuxCam Light Meter on October 25, 2026.

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