LUX vs PointNinja
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
LUX
Measure ambient light levels in lux or foot-candles instantly. Useful for photography, plant care, or verifying brightness for various tasks. Offers advanced features like color temperature and measurement history for premium users.
- Instant lux measurement
- Color temperature (CCT) reading
- Foot-candle unit toggle
- Min/Avg/Max lux tracking
- Measurement history (Premium)
- CSV export (Premium)
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LUX is a light meter app that measures illuminance (lux) wherever you are. Open the app and instantly see how bright your space is. When to use it - Check lighting in your living room, office, or study area - Set up photography or video shoots - Compare brightness between rooms or times of day - Verify light levels for plants or aquariums - Confirm any task has the right brightness Features - Instant measurement on launch - Hold the value or freeze the screen - Color temperature (CCT / Kelvin) measurement - Auto-recorded Min / Avg / Max lux during a session - Foot-candle (fc) unit toggle - Measurement history (Premium) - CSV export (Premium) - PPFD reading for plant lighting (Premium) Measurements are processed on-device. Terms of Use: https://lux-support.web.app/en/terms-of-use.html Privacy Policy: https://lux-support.web.app/en/privacy-policy.html
PointNinja
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Welcome to PointNinja - the ultimate parent-operated habit tracker and reward system that makes building great routines fun for the entire family! Say goodbye to nagging and hello to a positive, engaging way to encourage good behavior, daily chores, and healthy habits. PointNinja transforms daily tasks into an exciting game where kids earn points for their achievements and parents get to celebrate their child's growth. ** HOW IT WORKS: * Parents Set the Rules: Create custom habits (like "Brush Teeth", "Do Homework", or "Eat Veggies") and assign a point value to each. You decide what matters most! * Kids Earn Points: As your child completes their daily goals, easily check them off and watch their points grow on the colorful, interactive dashboard. * Unlock Rewards: Set up a custom Reward Shop with prizes your kids actually want! From "Extra screen time" to a "Trip to the park" or a "New toy," kids can spend their hard-earned points on the rewards you choose. ** KEY FEATURES: * Fully Customizable Goals: Tailor routines and rewards to fit your family's unique lifestyle. Use our built-in suggestions or create entirely new ones! * Kid-Friendly Dashboard: A bright, visually rewarding "Display Mode - Kids Splash" lets children see exactly how many points they have and how close they are to affording their next prize. * Fun Character Avatars: Let your kids choose from dozens of emojis and roles (Superheroes, Animals, Princesses, Astronauts!) to represent their profile. * Progress & Streaks: Track how well your kids are doing over time. Watch them build 3-day and 7-day streaks for awesome bonus point multipliers! * Family Account Linking (Premium): Both parents can manage the kids! Sync your data effortlessly in real-time across multiple devices with a secure 6-digit family code. Only one subscription needed per household! * Daily Reminders: Set custom push notifications so you never forget to log the day's tasks before bedtime. * Secure & Parent-Controlled: PointNinja is designed to be managed entirely by the adults. No need to hand over a tablet just to track chores. You hold the phone, you log the points, and you share the fun together! ** BUILD BETTER ROUTINES: Whether you're trying to establish a rock-solid morning routine, encourage acts of kindness, or simply get them to pick up their toys without being asked five times, PointNinja uses positive reinforcement to turn friction into motivation. Every point builds a better day! (Note: PointNinja offers a generous 15-day free trial so you can experience the magic with your family. Afterward, unlock Premium to seamlessly sync data across parent devices and access all advanced tracking features!) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: PointNinja at none against LUX's shown. PointNinja also leads on update cadence (every 4 days vs every 10 days) and device support (3 vs 1). On price and in-app purchases 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
Both are free to download. LUX sells 2 in-app purchases, starting at $1.99 per month and PointNinja sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
LUX ships an update every 10 days, PointNinja every 4 days. Both last shipped on September 9, 2026.
| Parameter | LUX | PointNinja |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 55.6% of reviews | โ |
| Update frequency | Every 10 days | Every 4 days โ better |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | โ |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 18.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 17 MB | 70 MB |
| Age rating | 4+ | 17+ |
| Developer | koji torishima | EulerWorks LLC |
In-app purchases
LUX
- Monthly Plan7 Days trial$1.991 Month
- Yearly Plan7 Days trial$11.991 Year
PointNinja
- Monthly Premium$2.991 Month
- Yearly Premium$19.991 Year









