Comparison

SolarAlign vs Sunio

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

Head to head
About

SolarAlign

Optimize solar panel placement and monitor energy production with this intuitive app. It guides you through setup and provides real-time performance data for multiple panels, helping you maximize energy output and make informed decisions.

Highlights
  • Guided solar panel configuration
  • Optimize panel position for maximum efficiency
  • Manage multiple solar panels
  • Monitor real-time energy production
  • Track historical energy data
  • Analyze energy consumption trends
  • Interactive energy production graphs
Read full description

Unlock the full potential of solar energy with SolarAlign, the app that revolutionizes the way you harness the power of the sun. Seamlessly navigate the world of solar panels with our intuitive guided configuration feature. Effortlessly set up and optimize your solar panel's position, ensuring maximum efficiency and energy output. But that's not all! SolarAlign empowers you to manage multiple solar panels with ease. Whether you have one panel or an entire solar array, our app provides a comprehensive overview of each panel's performance, all in one place. Monitor real-time energy production, track historical data, and analyze trends to make informed decisions about your energy consumption. Visualize your solar journey like never before with our interactive energy production graphs.

About

Sunio

Visualize the sun's path and its impact on terrain in 3D. Plan photography, evaluate property sunlight, and optimize solar panel placement with accurate, animated lighting and shadow simulations.

Highlights
  • 3D animated sunlight and shadow simulation
  • Augmented Reality sun path overlay
  • Precise golden hour and twilight times
  • Property sun exposure analysis
  • Solar panel optimization tools
  • Interactive time scrubbing
Features
Read full description

Sunio transforms how you experience sunlight. Watch the sun's journey come alive with dynamic 3D lighting on real terrain—the only app that animates how light and shadows change throughout the day. Plan property purchases, capture golden hour photography, and optimize solar panels with professional-grade accuracy. SEE SUNLIGHT TRANSFORM YOUR WORLD Press play and watch landscapes transform with solar-accurate lighting. Sunio's 3D animation engine shows exactly how sunlight and shadows move across terrain throughout the day. Scrub through time and see building shadows shrink at noon, stretch at sunset, and disappear after dark. Perfect for evaluating property sun exposure before buying a home. See which rooms get morning light, where afternoon shadows fall, and how seasonal sunlight changes throughout the year. PERFECT FOR PHOTOGRAPHY Never miss golden hour again. Sunio calculates precise golden hour, blue hour, and twilight times for any location on Earth. See exactly where the sun will rise or set with AR overlays that show the sun's path through your camera view. The interactive timeline lets you scout locations remotely—scrub through an entire day in seconds to find perfect lighting conditions. MAKE SMARTER PROPERTY DECISIONS Buying a home or apartment? Sunio reveals crucial sunlight information that photos and tours miss. Check if your balcony gets afternoon sun. Verify if morning light reaches the bedroom. See how neighboring buildings cast shadows on your property. Real estate agents use Sunio to showcase property features—demonstrating southern exposure and natural light advantages. Garden planners identify full-sun zones for vegetables and shade areas for plants. PROFESSIONAL TOOLS Sunio delivers professional-grade sun tracking with NOAA algorithm accuracy. Architects use it for daylight analysis and shadow studies. Solar installers optimize panel placement by visualizing solar angles throughout the year. Get precise solar data: azimuth, elevation, sunrise/sunset times, solar noon, twilight phases, and day length. View sun paths as 3D arcs overlaid on satellite imagery or through AR on your camera. Building shadows appear realistically on 3D terrain—see how structures cast shade on courtyards, streets, and neighboring properties. POWERFUL FEATURES • Augmented Reality Sun Path - Point your camera at the sky and see the sun's arc • 3D Animated Lighting - Watch solar lighting transform landscapes • Time Scrubbing - Drag through 24 hours instantly • Multiple Map Modes - Standard, Satellite, and 3D Buildings • Location Search - Plan for any address worldwide with history • Date Selector - Plan months ahead for trips and events • Solar Calculator - Precise azimuth, elevation, and angle calculations • Golden Hour Times - Never miss perfect photography lighting • Compass Integration - Find cardinal directions and solar orientation • 12 Languages - Full support for global users PRIVACY-FIRST, BEAUTIFUL DESIGN Sunio respects your privacy. No ads ever. No tracking. No account required. No data collection. Your location data stays on your device. Built exclusively for iOS 18+ using the latest Apple technologies for smooth 60fps animations and stunning graphics. Designed to feel at home on your iPhone and iPad. Join photographers, homebuyers, architects, and solar professionals who trust Sunio for accurate, beautiful solar visualization. One-time purchase, no subscription required. Download Sunio and see the light.

Screenshots

SolarAlign4 screens
Sunio4 screens

Verdict

The call

The clearest difference is rating: SolarAlign at 5.0 against Sunio's 4.4. SolarAlign also leads on iOS requirement (16.0 vs 18). Sunio's advantage is ratings volume (9 vs 1). On price, review sentiment, update cadence and ads 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

SolarAlign holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Sunio has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

SolarAlign ships an update weekly, Sunio every 5 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
SolarAlign versus Sunio: the parameters behind the verdict, then further details
ParameterSolarAlignSunio
PriceFreeFree
Rating5.0 (1 ratings) — better4.4 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings19 — better
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18
Further details — not scored
Size2 MB34 MB
Age rating4+4+
DeveloperMatteo AltobelloDaniel Slave

Customer experience

SolarAlign

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sunio

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SolarAlign

No in-app purchases

None

Sunio

No in-app purchases

Questions

Is SolarAlign free?
SolarAlign is free to download, with no in-app purchases.
Is Sunio free?
Sunio is free to download, with no in-app purchases.
Which has better reviews, SolarAlign or Sunio?
SolarAlign is rated higher. SolarAlign averages 5.0 out of 5 from 1 ratings, while Sunio averages 4.4 from 9 ratings.
Do SolarAlign or Sunio have ads?
Neither SolarAlign nor Sunio shows ads.
Which is updated more often, SolarAlign or Sunio?
SolarAlign ships an update weekly, and Sunio every 5 days. Most recently, SolarAlign was updated on October 14, 2026 and Sunio on October 11, 2026.

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