Comparison

Solar Watch vs Lunar Eclipse Guide

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

Head to head
About

Solar Watch

Visualize the sun and moon's paths in augmented reality and on interactive 3D maps. Access detailed data tables for celestial events, shadow simulations, and more. Ideal for professionals and enthusiasts needing precise solar and lunar information.

Highlights
  • Augmented Reality solar and lunar path projection
  • Multifunctional 2D/3D map visualization
  • Comprehensive data tables for celestial events
  • Interactive 3D shadow simulator
  • Sunrise, sunset, golden hour, and dusk times
  • Lunar phases and moonrise/moonset times
Features
Read full description

Solar Watch is an essential digital tool for e.g. photographers, architects, prospective house buyers, garden enthusiasts and installers of solar panels. The intuitive, sleek interface provides access to a comprehensive range of professional functionalities. SOLAR and LUNAR PATH IN AR Augmented Reality projection of the position of the sun and moon at your current location. MULTIFUNCTIONAL MAP PRESENTATION Extensive 2D and 3D visualization of the solar and lunar path, compass mode and shadow simulator. You can see at a glance which side of a building gets the most hours of sunlight per day. DATA TABLES A comprehensive overview of sun positions, day and night lengths, sunrise and sunset times, golden hour and dusk (astronomical, nautical and civil). All solar eclipses, winter and summer solstices and equinoxes. All lunar eclipses, supermoon calendar, moon positions and visibility. Lunar phases, moonrise and moonset times. INTERACTIVE 3D SHADOW SIMULATOR Position a customizable 3D object on the map to have the app simulate its shadow at any time of year. No ads! The free version of the app shows all information about solar and lunar positions for your current time and location only. The paid Premium version of the app grants you access to global information for any time of year. Subscription: • Title: Full Version Subscription • Length of subscription: 6 months • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms and conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://apps.redwoods.eu/privacy

About

Lunar Eclipse Guide

Plan and experience solar and lunar eclipses with detailed information, simulations, and observation tools. Discover past and future events, view visibility maps, and receive timely notifications.

Highlights
  • Eclipse calendar
  • Observing from any location
  • Eclipse simulation
  • World map with eclipse path
  • Visibility gradation map
  • Best observation places
  • Notifications
Currently charting
Read full description

Eclipse Guide is a comprehensive and easy-to-use app for observing solar and lunar eclipses. It provides all information you need to experience and understand any eclipse of the past and the future. ***From the developers of famous astronomical app Star Walk, winner of the Apple Design Award 2010, loved by more than 20 million users around the world*** Main features: ● Eclipse calendar with the list of solar and lunar eclipses of the past and the future. ● Observing eclipses from the user's location, from any other place, or from the best location for observation. ● Eclipse simulation with the play button to get a visual representation of the celestial event from its beginning to the end. ● World map showing the eclipse path accompanied by the info about the sun coverage and the moon altitude. ● The map illustrating the gradation of eclipse visibility. ● The list of best places for eclipse observations. ● Eclipse phases, timelines, and other core information. ● Notifications about solar and lunar eclipses. ● Share the information about eclipses with friends. The app is not limited to upcoming eclipses only - you can choose any eclipse you want to learn about and view it at home or worldwide. Advanced features:* ● Audio guide with voice notifications won’t let you miss the desired solar or lunar eclipse. It will accompany your eclipse observation process providing comments on all the stages of the phenomenon. ● Fullscreen informative maps show the visibility of an eclipse and its path. Use them to pick a good location for your eclipse observation. Zoom in and out, check the eclipse visibility for any location. ● Star spotter simulates the sky at your observing location. Find out whether the eclipse will be visible from the selected location. Quickly identify and view solar and lunar eclipses in the sky. The Star Spotter feature won't work for the devices that are not equipped with digital compass. *Advanced features should be purchased separately (via In-App Purchase). Remember: Looking directly at the Sun can cause serious eye damage or blindness. Never look at a solar eclipse without proper eye protection. Questions or suggestions for improvements: support@vitotechnology.com We are looking forward to your feedback. Get ready for the next eclipse with Eclipse Guide!

Screenshots

Solar Watch4 screens
Lunar Eclipse Guide4 screens

Verdict

The call

The clearest difference is price: Solar Watch at Free against Lunar Eclipse Guide's $1.99. Solar Watch also leads on review sentiment (78% vs 42%) and ads (none vs shown). Lunar Eclipse Guide's advantage is chart position (#160 vs unranked) and ratings volume (778 vs 114). On update cadence, in-app purchases, monetization model 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

Solar Watch is free to download; Lunar Eclipse Guide costs $1.99 up front. Solar Watch sells 2 in-app purchases, starting at $5.99 per 6 months and Lunar Eclipse Guide sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Solar Watch holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Lunar Eclipse Guide has 778 ratings behind it against 114, so its average is the more settled of the two. Written reviews point the same way: 78% of Solar Watch's written reviews are positive against 42% of Lunar Eclipse Guide's.

UpkeepUpdate frequency

Solar Watch ships an update every 2 months, Lunar Eclipse Guide every 3 months. The most recent releases landed on September 19, 2026 and September 27, 2026 respectively.

Scorecard7 real differences · 4 level
Solar Watch versus Lunar Eclipse Guide: the parameters behind the verdict, then further details
ParameterSolar WatchLunar Eclipse Guide
PriceFree — better$1.99
Rating4.8 (114 ratings) — better4.6 (778 ratings)
Positive reviews78.4% of reviews — better42.1% of reviews
Number of ratings114778 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#160 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size39 MB239 MB
Age rating4+4+
DeveloperZuzana EskinasiVito Technology Inc.

Customer experience

Solar Watch

All ratings114 ratings
Positive98.2%
Neutral0.9%
Negative0.9%
Written reviews37 reviews
Positive78.4%
Neutral8.1%
Negative13.5%

Lunar Eclipse Guide

All ratings778 ratings
Positive90.2%
Neutral2.2%
Negative7.6%
Written reviews76 reviews
Positive42.1%
Neutral9.2%
Negative48.7%

Bugs and requests

Solar Watch

Not enough reviews yet to summarise bugs or requests.

Lunar Eclipse Guide

Reported bugs

4 issues
  • Incorrect eclipse visibility information
  • Simulation stops at GMT midnight
  • Localisation issues
  • Crashes during use

Requested features

5 requests
  • Add more future eclipses
  • Allow custom location saving
  • Implement landscape mode
  • Expand date range for historical eclipses
  • Add ability to scrub timeline

In-app purchases

2 purchases

Solar Watch

Subscriptions1
  • Premium Version$5.996 Months
One-time1
  • Premium Version$11.99
1 purchases

Lunar Eclipse Guide

One-time1
  • Advanced Eclipse Calendar$0.99

Questions

Is Solar Watch free?
Solar Watch is free to download, with in-app purchases available.
Is Lunar Eclipse Guide free?
Lunar Eclipse Guide costs $1.99, and also offers in-app purchases.
Which has better reviews, Solar Watch or Lunar Eclipse Guide?
Solar Watch is rated higher. Solar Watch averages 4.8 out of 5 from 114 ratings, while Lunar Eclipse Guide averages 4.6 from 778 ratings.
Do Solar Watch or Lunar Eclipse Guide have ads?
Lunar Eclipse Guide shows ads; Solar Watch does not.
Which is updated more often, Solar Watch or Lunar Eclipse Guide?
Solar Watch ships an update every 2 months, and Lunar Eclipse Guide every 3 months. Most recently, Solar Watch was updated on September 19, 2026 and Lunar Eclipse Guide on September 27, 2026.

Other comparisons