Comparison

MyLocusEnergy vs SunEyed

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

Head to head
About

MyLocusEnergy

Monitor your energy system's performance with real-time output and historical production data. Visualize trends with easy-to-read graphs and understand environmental benefits. Weather data provides context for system output.

Highlights
  • Real-time system output monitoring
  • Historical production trends
  • Visual graphs and data comparison
  • Weather data integration
  • Environmental benefit tracking
  • System performance insights
Features
Read full description

The MyLocusEnergy app provides users with insights into the performance of their system by showcasing current output and system production over a variety of timeframes. Users can easily compare current production to historical trends through an intuitive interface with easy-to-read system output and visual graphs. Simply toggle through more detailed data of each timeframe with a single click. Weather data for the site location provides context of current conditions that can affect system production. Users can also see how their system provides meaningful environmental benefits by utilizing renewable energy sources. The MyLocusEnergy app requires that your installer register your system within LocusNOC and send you an email invite to login to the app. If you have not received this invite, please contact your installer for assistance in getting this setup to begin using the app.

About

SunEyed

Calculate your personalized solar return on investment using real weather data. Input your electricity bill, roof panel details, and map obstructions for an accurate payback period. All analysis is done on your device with no account or subscription required.

Highlights
  • Solar savings and break-even calculation
  • Real weather data from 40,000+ stations
  • Obstruction mapping with camera/sensors
  • Multi-array roof configuration
  • Offline functionality
  • PDF export for installers
Features
Read full description

Know your real solar savings before you talk to anyone. SunEyed calculates your personalized solar ROI using real weather data from over 40,000 stations worldwide. Enter your electricity bill, configure your roof panels, map obstructions, and get an accurate payback period in minutes — entirely on your device, with no account required. HONEST ANALYSIS, NO SALES PITCH SunEyed is built for homeowners who want the facts first. No sign-up. No data harvesting. No pressure. Your numbers stay on your phone. When you're ready, you can share your analysis as a PDF with any installer of your choice — on your terms. HOW IT WORKS 1. Enter your electricity usage and rate 2. Configure your roof panels — set direction, slope, and number of panels for each roof face 3. Map obstructions — trace trees, chimneys, and neighboring buildings directly on the sun path chart 4. SunEyed calculates your annual production, yearly savings, and break-even period using real local weather data KEY FEATURES • Solar savings and break-even calculation based on real weather data • 40,000+ weather station database — accurate for locations worldwide • Multi-array support — configure multiple roof faces independently • Camera and motion sensor obstruction mapping — physically point your phone at obstructions and trace them onto the sun path chart • Monthly usage vs. production comparison with net metering support • Adjustable panel specs — wattage, efficiency, system losses, array type • Export a PDF summary to share with installers as a request for quote • Works entirely offline — all calculations run on device • No account, no sign-up, no subscription PRECISE WHERE IT MATTERS Most solar calculators use regional averages. SunEyed matches your exact coordinates to the nearest weather station in its database, giving you monthly solar radiation values specific to your location. The obstruction tool goes further — it models how trees, chimneys, and other structures cast shadows across your roof throughout the year, reducing your estimated production only where the sun is actually blocked. YOUR DATA STAYS ON YOUR DEVICE SunEyed does not require an account. Your electricity usage, location, and roof configuration are stored locally on your phone and never uploaded to any server. FREE FOR PERSONAL USE • SunEyed is completely free for homeowners evaluating solar for their own home. No subscription, no hidden fees, no expiration. • Using SunEyed in a professional or commercial context — as a solar installer, energy auditor, or contractor — requires a commercial license. Visit suneyed.com for details on professional use and upcoming installer features.

Screenshots

MyLocusEnergy4 screens
SunEyed4 screens

Verdict

The call

The clearest difference is review sentiment: SunEyed at 100% against MyLocusEnergy's 9%. SunEyed also leads on rating (5.0 vs 1.9). MyLocusEnergy's advantage is ratings volume (16 vs 2) and iOS requirement (14.0 vs 17.3). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SunEyed holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: MyLocusEnergy has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 9% of MyLocusEnergy's written reviews are positive against 100% of SunEyed's.

UpkeepUpdate frequency

MyLocusEnergy ships an update every 10 days, SunEyed every 6 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
MyLocusEnergy versus SunEyed: the parameters behind the verdict, then further details
ParameterMyLocusEnergySunEyed
PriceFreeFree
Rating1.9 (16 ratings)5.0 (2 ratings) — better
Positive reviews9.1% of reviews100.0% of reviews — better
Number of ratings16 — better2
Update frequencyEvery 10 daysEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.3
Further details — not scored
Size10 MB42 MB
Age rating4+4+
DeveloperLocus EnergySergio Lemaitre

Customer experience

MyLocusEnergy

All ratings15 ratings
Positive20.0%
Neutral6.7%
Negative73.3%
Written reviews11 reviews
Positive9.1%
Neutral18.2%
Negative72.7%

SunEyed

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MyLocusEnergy

No in-app purchases

None

SunEyed

No in-app purchases

Questions

Is MyLocusEnergy free?
MyLocusEnergy is free to download, with no in-app purchases.
Is SunEyed free?
SunEyed is free to download, with no in-app purchases.
Which has better reviews, MyLocusEnergy or SunEyed?
SunEyed is rated higher. MyLocusEnergy averages 1.9 out of 5 from 16 ratings, while SunEyed averages 5.0 from 2 ratings.
Do MyLocusEnergy or SunEyed have ads?
Neither MyLocusEnergy nor SunEyed shows ads.
Which is updated more often, MyLocusEnergy or SunEyed?
MyLocusEnergy ships an update every 10 days, and SunEyed every 6 days. Most recently, MyLocusEnergy was updated on October 24, 2026 and SunEyed on October 17, 2026.

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