Comparison

KeyView.ai vs Lux Light Meter

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

Head to head
About

KeyView.ai

Features
Read full description

KeyView.ai is an AI-powered Smart Property Management Solution designed to revolutionize the way property owners manage their assets. Our mission is to empower property owners and managers to oversee their properties efficiently, no matter the distance. We understand that in the age of digitalization, managing properties should not be a challenge, but a breeze. Our innovative software harnesses the power of machine learning to collect, analyze, and interpret data from your properties, giving you comprehensive insights at your fingertips. Whether you're using a smartphone or a desktop, our user-friendly app ensures you're always just a click away from your property data. - Efficiency: Through our AI modules, we automate time-consuming tasks, freeing up your valuable time. - Simplicity: Our easy-to-use app design makes property management more accessible, even for the least tech-savvy users. - Innovation: Our use of machine learning sets us apart, allowing you to benefit from predictive analysis and real-time data. - Mobility: Manage your properties anywhere, anytime, from the convenience of your phone or computer. - Security: We prioritize data security and adhere to the highest standards to ensure your property and personal data are protected.

About

Lux Light Meter

Measure ambient light levels with your iPhone. Get real-time lux and foot-candle readings, with specialized modes for photography and plant care. Track light history and calibrate for accuracy.

Highlights
  • Ambient light metering (lux/fc)
  • Photography exposure suggestions
  • Plant light (PPFD/DLI) estimation
  • Continuous measurement and history
  • Optional meter calibration
  • Privacy-friendly local storage
Features
Read full description

Lux Light Meter: Illuminance A practical lux and illuminance meter for iPhone. Measure ambient light in seconds, check if a room is bright enough for study, work, or home use, and get helpful exposure and plant-lighting guidance when you need it. Core metering works offline. Key Features: Ambient light metering - Live lux / fc readings with scene targets that tell you if the light is too dim, about right, or too bright — plus simple tips to adjust Photography mode (Pro) - Aperture- or shutter-priority suggestions with ISO and exposure compensation so you can dial in exposure faster Plant mode (Pro) - Estimate PPFD and DLI for common houseplants, with light source and daily photoperiod options Continuous measure & history - Save single readings, track how light changes over time, and review min, average, and max values Optional calibration - Fine-tune against a trusted meter; Pro saves separate factors for the front and rear cameras Units & privacy-friendly storage - Switch between lux and fc; your measurements stay on your device How to Use: Open the app, allow camera access, and point your iPhone at the area you want to measure. Switch between Environment, Photography, and Plant modes, then save a reading or run a continuous measurement when you need a longer sample. Subscription Options: * Weekly and yearly subscriptions, plus a lifetime purchase * Payment will be charged to your Apple ID account * Subscriptions renew automatically within 24 hours before the current period ends * Manage or cancel anytime in your Account Settings Clearer readings. Better light decisions. Terms of Use: https://lightmeter.xzonesoft.com/terms.html Privacy Policy: https://lightmeter.xzonesoft.com/privacy.html Contact Us: support@xzonesoft.com

Screenshots

KeyView.ai4 screens
Lux Light Meter3 screens

Verdict

The call

The clearest difference is in-app purchases: KeyView.ai at none against Lux Light Meter's 3. KeyView.ai also leads on iOS requirement (12.4 vs 17). On price, update cadence, ads 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. Lux Light Meter sells 3 in-app purchases, starting at $1.99 per 7 days. KeyView.ai asks for nothing beyond the download.

UpkeepUpdate frequency

KeyView.ai ships an update monthly, Lux Light Meter fortnightly. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
KeyView.ai versus Lux Light Meter: the parameters behind the verdict, then further details
ParameterKeyView.aiLux Light Meter
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.4 — better17
Further details — not scored
Size52 MB4 MB
Age rating17+4+
Developerabdul wahab rind灿耿 陈

In-app purchases

None

KeyView.ai

No in-app purchases

3 purchases

Lux Light Meter

Subscriptions2
  • Weekly Access$1.997 Days
  • Annual Subscription$7.991 Year
One-time1
  • Lifetime Access$12.99

Questions

Is KeyView.ai free?
KeyView.ai is free to download, with no in-app purchases.
Is Lux Light Meter free?
Lux Light Meter is free to download, with in-app purchases available.
Do KeyView.ai or Lux Light Meter have ads?
Neither KeyView.ai nor Lux Light Meter shows ads.
Which is updated more often, KeyView.ai or Lux Light Meter?
KeyView.ai ships an update monthly, and Lux Light Meter fortnightly. Most recently, KeyView.ai was updated on October 14, 2026 and Lux Light Meter on October 25, 2026.

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