Comparison

Lens vs Sun Tracker AR

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

Head to head
About

Lens

This app simulates camera lens behavior, visually demonstrating depth of field and field of view. It allows photographers of all levels to explore how aperture, focal length, and distance affect focus in real-time.

Highlights
  • Real-time depth of field visualization
  • Interactive background scaling
  • Adjustable aperture, focal length, and focal distance
  • Configurable information overlays
  • Multiple sensor size options
  • Metric/imperial unit support
Features
Read full description

Lens•Lab is a virtual lens simulation tool for photographers of all skill levels. It graphically illustrates how depth of field and field of view relate to your SLR camera and lenses. Professionals will like how quick and easy it is to get depth of field calculations. Semi-pro photographers will enjoy configuring "what-if?" scenarios for various lenses. Photography beginners will find it to be a great learning tool by exploring the interplay of aperture, focal length, and focal distance in real time. Lens•Lab is more than a great depth of field calculator, it's a lens simulator that can help you explore, see, and intuitively understand how depth of field works with your camera and lenses. Lens•Lab Features: Advanced visual depiction of depth of field with real-time controls: • The background scales from 10 centimeters to 100 meters interactively • Out-of-focus areas are represented as blurred in real-time • Distance labels, angle of view, and other information updates as you touch Easily control aperture, focal length, and focal distance with sliders or touch: • Aperture (from ƒ/0.95 to ƒ/64 in continuous increments) • Focal Length (configurable from 1mm to "very large number") • Focal Distance (from 10cm to 100m) Information overlays are independently configurable: • Hyperfocal Distance • Far Depth of Field • Focal Distance • Near Depth of Field • Total Depth of Field • Vertical Angle of View • Distance Scale • Simulated Blur Sensor size is configurable for: • Full Frame (35mm) • APS-H (1.3x crop factor) • DX (1.5x crop factor) • APS-C (1.6x crop factor) • Four Thirds (2.0x crop factor) Additionally, there are controls for distance units (metric or imperial) and display of Full Frame Equivalent focal length (for cameras with sensors smaller than full frame.) Included is a usage guide that explains all features of the application as well as depth of field in photography. Lens•Lab works with all iPhone, iPod Touch, and iPad models running iOS 8 or newer.

About

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.

Highlights
  • 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
Features
Read full description

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.

Screenshots

Lens3 screens
Sun Tracker AR4 screens

Verdict

The call

The clearest difference is price: Sun Tracker AR at Free against Lens's $2.99. Sun Tracker AR also leads on update cadence (every 10 days vs every 18 months) and ratings volume (1.1K vs 8). Lens's advantage is in-app purchases (none vs 1) and chart position (#187 vs unranked). On review sentiment, 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

Sun Tracker AR is free to download; Lens costs $2.99 up front. Sun Tracker AR sells 1 one-off in-app purchase. Lens asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sun Tracker AR holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Sun Tracker AR has 1.1K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 69% of Lens's written reviews are positive against 77% of Sun Tracker AR's.

UpkeepUpdate frequency

Lens ships an update every 18 months, Sun Tracker AR every 10 days. The most recent releases landed on September 19, 2026 and September 26, 2026 respectively.

Scorecard8 real differences · 3 level
Lens versus Sun Tracker AR: the parameters behind the verdict, then further details
ParameterLensSun Tracker AR
Price$2.99Free — better
Rating4.6 (8 ratings)4.8 (1.1K ratings) — better
Positive reviews69.0% of reviews77.0% of reviews — better
Number of ratings81.1K — better
Update frequencyEvery 18 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#187 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better26.0
Further details — not scored
Size2 MB31 MB
Age rating4+4+
DeveloperJeff MenterZuzana Eskinasi

Customer experience

Lens

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews42 reviews
Positive69.0%
Neutral16.7%
Negative14.3%

Sun Tracker AR

All ratings1,065 ratings
Positive95.9%
Neutral1.6%
Negative2.5%
Written reviews191 reviews
Positive77.0%
Neutral6.3%
Negative16.8%

Bugs and requests

Lens

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Lens

No in-app purchases

1 purchases

Sun Tracker AR

One-time1
  • Premium$11.99

Questions

Is Lens free?
Lens costs $2.99, with no in-app purchases.
Is Sun Tracker AR free?
Sun Tracker AR is free to download, with in-app purchases available.
Which has better reviews, Lens or Sun Tracker AR?
Sun Tracker AR is rated higher. Lens averages 4.6 out of 5 from 8 ratings, while Sun Tracker AR averages 4.8 from 1.1K ratings.
Do Lens or Sun Tracker AR have ads?
Neither Lens nor Sun Tracker AR shows ads.
Which is updated more often, Lens or Sun Tracker AR?
Lens ships an update every 18 months, and Sun Tracker AR every 10 days. Most recently, Lens was updated on September 19, 2026 and Sun Tracker AR on September 26, 2026.

Other comparisons