Comparison

Gexa Energy vs Light Meter

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

Head to head
About

Gexa Energy

Manage and optimize your home energy usage with this app. It integrates smart devices and your account to help you track electricity consumption, view bills, and control smart thermostats for improved efficiency and comfort.

Highlights
  • Track electricity usage
  • View and manage bills
  • Control smart thermostats
  • Customize thermostat schedules
  • View account preferences
  • Review plan details
Features
Read full description

The Gexa Energy mobile app makes managing and optimizing your home energy usage simple. By integrating all of your connected smart devices, Gexa Energy plan, and Gexa Energy My Account, the Gexa Energy mobile app empowers customers to optimize their energy usage to meet their energy goals. With the mobile app you can: • Track your electricity usage over time • View your bill and manage your payments • Change your account preferences • Review your plan details and renew with ease If smart thermostats or other home energy management devices are integrated with your Gexa Energy plan or services, you can: View your Dashboard • Quickly view data on your smart devices, bill, and other important metrics at a glance and all in one place. Maintain comfort in your home • Control your connected smart thermostat(s) from anywhere, anytime using the mobile app. Improve your energy efficiency • Easy set up and customization of a smart thermostat schedule. For our privacy policy, visit https://www.gexaenergy.com/privacy-policy. Terms of use: https://www.gexaenergy.com/terms-of-use. The Gexa Energy mobile app is only available for residential customers at this time. Gexa Energy, LP PUCT #10027. Gexa Energy address: 20455 State Highway 249, Suite 200 Houston, Texas 77070

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

Screenshots

Gexa Energy4 screens
Light Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: Gexa Energy at none against Light Meter's 4. Gexa Energy also leads on update cadence (every 2 weeks vs every 10 months) and ratings volume (11K vs 116). Light Meter's advantage is review sentiment (33% vs 22%). On price, rating, 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. Light Meter sells 4 in-app purchases, starting at $3.99 per month. Gexa Energy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Gexa Energy against 4.5 for Light Meter. That said, the two scores are not equally well evidenced: Gexa Energy has 11K ratings behind it against 116, so its average is the more settled of the two. Written reviews are what separate them: 22% of Gexa Energy's written reviews are positive against 33% of Light Meter's.

UpkeepUpdate frequency

Gexa Energy ships an update every 2 weeks, Light Meter every 10 months. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

Scorecard5 real differences · 5 level
Gexa Energy versus Light Meter: the parameters behind the verdict, then further details
ParameterGexa EnergyLight Meter
PriceFreeFree
Rating4.6 (11K ratings) — better4.5 (116 ratings)
Positive reviews22.2% of reviews33.3% of reviews — better
Number of ratings11K — better116
Update frequencyEvery 2 weeks — betterEvery 10 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size258 MB17 MB
Age rating4+4+
DeveloperGexa Energy LPAndrey Ivankin

Customer experience

Gexa Energy

All ratings10,509 ratings
Positive89.9%
Neutral2.3%
Negative7.8%
Written reviews158 reviews
Positive22.2%
Neutral3.8%
Negative74.1%

Light Meter

All ratings116 ratings
Positive87.9%
Neutral2.6%
Negative9.5%
Written reviews9 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Bugs and requests

Gexa Energy

Reported bugs

4 issues
  • Login screen freezes
  • App fails to load after updates
  • Incorrect billing information and charges
  • Inability to access account details

Requested features

4 requests
  • Improved app stability and reliability
  • Real-time usage tracking and alerts
  • Seamless payment options
  • Better communication on billing and account changes

Light Meter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Gexa Energy

No 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

Questions

Is Gexa Energy free?
Gexa Energy is free to download, with no in-app purchases.
Is Light Meter free?
Light Meter is free to download, with in-app purchases available.
Which has better reviews, Gexa Energy or Light Meter?
Gexa Energy is rated higher. Gexa Energy averages 4.6 out of 5 from 11K ratings, while Light Meter averages 4.5 from 116 ratings.
Do Gexa Energy or Light Meter have ads?
Neither Gexa Energy nor Light Meter shows ads.
Which is updated more often, Gexa Energy or Light Meter?
Gexa Energy ships an update every 2 weeks, and Light Meter every 10 months. Most recently, Gexa Energy was updated on September 20, 2026 and Light Meter on September 12, 2026.

Other comparisons