Sun Tracker AR vs HollyView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sun Tracker AR
Visualize the sun's path and shadow effects in augmented reality. Get detailed solar data, including sunrise/sunset times and day/night lengths. Plan for optimal lighting conditions for photography, construction, and gardening.
- Augmented Reality solar path projection
- 2D/3D solar path and shadow simulation
- Detailed sun position data tables
- Interactive 3D shadow simulator
- Day & night map visualization
- Calendar notifications for solar events
- Widget for sunrise/sunset alerts
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Know exactly where the sun will be — at any place, on any date. Sun Tracker AR projects the sun's path into the real world through your camera, maps it in 2D and 3D, and simulates the shadows it casts. Built for photographers, architects, house hunters, gardeners, surveyors and solar panel installers — and for anyone who wants to know when the light hits. SOLAR PATH IN AR Augmented reality projection of the sun's position and full daily arc at your location. Point your phone and see where the sun will rise, peak and set. SOLAR ECLIPSE Sun Tracker AR gets you ready: • Interactive eclipse map with the path of totality and obscuration bands • Exact contact times for your location — first contact, totality, maximum, last contact — in your local time zone • Duration of totality and maximum obscuration wherever you stand • Plus every solar eclipse through 2030, so you can plan the next trip MULTIFUNCTIONAL MAP Detailed 2D and 3D visualisation of the solar path, compass mode and shadow simulator. See at a glance which side of a building gets the most sunlight hours per day. INTERACTIVE 3D SHADOW SIMULATOR Place a customisable 3D object — a box or a tree — anywhere on the map and watch its shadow move through any day of the year. Add a target spot nearby and the app calculates exactly how long that spot stays in shade and how long it sits in direct sunlight. DATA TABLES Complete overview of sun positions, day and night lengths, sunrise and sunset times, golden hour, and astronomical, nautical and civil twilight. Plus solstices, equinoxes and eclipses. DAY & NIGHT MAP Live world map showing the terminator — the moving line between daylight and darkness. CALENDAR NOTIFICATIONS Get notified for the solar events you care about: sunrise, sunset, eclipses. One-time or daily. WIDGET Keep the next sunrise and sunset on your home screen. NO ADS. EVER. The free version covers your current location and time. Premium unlocks any location, any date, any year — the full planning toolkit.
HollyView
This app facilitates real-time wireless video transmission for monitoring and analysis. It allows users to doodle on images, record and share videos, and manage device firmware and diagnostics.
- Real-time monitoring
- Image analysis
- Photo doodling
- Video recording
- Firmware updates
- Device diagnostics
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HollyView is a wireless video transmission app by Shenzhen Hollyland Technology, enabling real-time monitoring, image analysis, photo doodling and sharing, video recording and sharing, firmware updates, and device diagnostics.
Screenshots
Verdict
The clearest difference is review sentiment: Sun Tracker AR at 77% against HollyView's 15%. Sun Tracker AR also leads on rating (4.8 vs 2.4) and update cadence (every 10 days vs monthly). HollyView's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 26.0). On price, 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
Both are free to download. Sun Tracker AR sells 1 one-off in-app purchase. HollyView asks for nothing beyond the download.
Sun Tracker AR holds the better App Store score, 4.8 against 2.4. That said, the two scores are not equally well evidenced: Sun Tracker AR has 1.1K ratings behind it against 73, so its average is the more settled of the two. Written reviews point the same way: 77% of Sun Tracker AR's written reviews are positive against 15% of HollyView's.
Sun Tracker AR ships an update every 10 days, HollyView monthly. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.
| Parameter | Sun Tracker AR | HollyView |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.1K ratings) — better | 2.4 (73 ratings) |
| Positive reviews | 77.0% of reviews — better | 14.7% of reviews |
| Number of ratings | 1.1K — better | 73 |
| Update frequency | Every 10 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 162 MB |
| Age rating | 4+ | 4+ |
| Developer | Zuzana Eskinasi | 深圳市昊一源科技有限公司 |
Customer experience
Sun Tracker AR
HollyView
User reviews
Sun Tracker AR
From 1.1K App Store ratingsWhat we love
- 🚀 Tracking the sun's position
- 🌞 Helpful for solar power and gardening
- 👍 Useful for photographers and filmmakers
- 🗺️ Detailed sun path information
Room to improve
- 🐛 AR mode issues and inaccuracies
- 🔒 Privacy concerns with camera access
- 💰 Paid features required for some functionality
HollyView
From 73 App Store ratingsWhat we love
- 👍 Works for some users
- 👍 Good for client viewing
- 👍 Reliable with older versions
- 👍 Fast connection (sometimes)
Room to improve
- 🐛 App frequently crashes
- 🐛 Connection issues
- 🐛 Black screen on mobile
- 🐛 Updates break functionality
- 🐛 Poor device compatibility
Bugs and requests
Sun Tracker AR
Reported bugs
3 issues- App freezing and crashing
- Outdated imagery not matching reality
- Inconsistent performance across devices
Requested features
3 requests- More intuitive UI and onboarding
- Offline mode support
- Ability to manually adjust location
HollyView
Reported bugs
40 issues- App not recognizing phone/iPad connection
- No feed when manually connecting
- App only works on older devices
- Black screen on iPad/Mac
- App won't connect after update
Show 35 moreShow fewer
- Firmware update fails
- Constant glitching and freezing
- WiFi issues
- Record button placement issue on iPhone SE
- New interface is clunky
- Cannot import LUTs
- App requires precise location
- No stream on iPhone 14
- M1 MBP not supported
- Stream address abnormal error
- Invisible text in stream setup
- App goes back to connect page
- Black screen after connecting
- Prompted to join HLD_null network
- Showing 'check input' error
- Random inbuilt LUT bug
- Screen goes black when applying installed LUTs
- App crashes and reboots iPad
- App quits randomly and reboots iPad
- Struggles with distance outdoors
- Prompts in Chinese characters
- Black bar over video stream
- App not working on iPhone 11 Pro Max
- App only shows signal strength, blank screen
- No internet connection error in WiFi option
- Check input source error on iPhone
- Resolution is 480p not 1080p
- App crashes constantly
- WiFi disconnects and app crashes
- Scanning QR code leads to system settings
- Manual code entry doesn't work
- Fix LTE WiFi issue
- App cannot connect when location/cellular disabled
- LUTs have strange purple coloring
- Laggy on iPad
Requested features
7 requests- Make auto brightness optional
- Hide iOS application bar
- True display out support
- Add remember serial number feature
- Allow deleting preset LUTs
Show 2 moreShow fewer
- De-squeeze option
- Add advanced functions like LUTS or contrast
In-app purchases
Sun Tracker AR
- Premium$11.99
HollyView
No in-app purchases
Questions
Is Sun Tracker AR free?
Is HollyView free?
Which has better reviews, Sun Tracker AR or HollyView?
Do Sun Tracker AR or HollyView have ads?
Which is updated more often, Sun Tracker AR or HollyView?
Other comparisons
