Comparison

ISS Real 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

ISS Real

Visualize the International Space Station, Tiangong, and Hubble in real-time 3D. Get precise flyover predictions up to 30 days in advance with a star rating system. Stream live HD video from the ISS and learn about the current crew.

Highlights
  • Real-time 3D satellite tracking
  • Predictive flyover alerts
  • Interactive Earth globe
  • Live HD Earth video stream
  • Crew information and bios
  • Apple Watch widgets
Features
Read full description

Track and predict flyovers of the International Space Station, Tiangong (Chinese Space Station), and Hubble Space Telescope in stunning, real-time 3D. Immerse yourself in a photorealistic globe of Earth, showcasing orbital paths and live positions for the three largest objects in low Earth orbit—optimized for iPhone, Apple Watch, and Macs with Apple silicon. Plan up to 30 days ahead with precise, location-based pass predictions, complete with a custom 0–4 star rating system that highlights the most visible flyovers. Tap to add passes to your calendar and never miss a moment. Key Features: • Real-Time Tracking: Follow the ISS, Tiangong, and Hubble with interactive 3D visuals and high-frame-rate animations. • Flyover Ratings: Instantly spot the best viewing opportunities with our intuitive star rating system. • 3D SkyDome View: See the arc of each pass from your location with a rotatable sky overlay. • Dynamic Earth Globe: View live positions, orbits, the Earth’s axis, solar reflections, subsolar point, and day/night transitions. • Crew Info: Meet the current crew, read bios, view mission stats, and connect via X (Twitter). • Alerts & Scheduling: Get automatic reminders 1 hour and 15 minutes before passes—just tap to schedule. • Live HD Earth Video: Stream from the ISS’s Harmony node in real time. • Map Customization: Choose from multiple map marker styles and zoom options. • Ambient Music: Enhance your stargazing experience with optional background music. • Info Overlay: View current satellite position, altitude, and speed at a glance. • Companion Apple Watch App: Includes Lock Screen and Home Screen widgets for quick access. • All Settings Saved: Preferences like zoom level and map style are saved for your convenience. I created this app to bring the awe of space exploration right to your fingertips. Join me on this journey—and never miss a pass again.

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
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

ISS Real4 screens
Lunar Eclipse Guide4 screens

Verdict

The call

The clearest difference is in-app purchases: ISS Real at none against Lunar Eclipse Guide's 1. ISS Real also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 months). Lunar Eclipse Guide's advantage is iOS requirement (15.0 vs 18.0). On ratings volume 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

ISS Real costs $0.99 and Lunar Eclipse Guide $1.99 up front. Lunar Eclipse Guide sells 1 one-off in-app purchase. ISS Real asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ISS Real holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 1.2K and 778 respectively. Written reviews point the same way: 63% of ISS Real's written reviews are positive against 42% of Lunar Eclipse Guide's.

UpkeepUpdate frequency

ISS Real ships an update every 4 days, Lunar Eclipse Guide every 3 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

Scorecard8 real differences · 2 level
ISS Real versus Lunar Eclipse Guide: the parameters behind the verdict, then further details
ParameterISS RealLunar Eclipse Guide
Price$0.99 — better$1.99
Rating4.8 (1.2K ratings) — better4.6 (778 ratings)
Positive reviews62.5% of reviews — better42.1% of reviews
Number of ratings1.2K — better778
Update frequencyEvery 4 days — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size258 MB239 MB
Age rating4+4+
DeveloperMichael StebelVito Technology Inc.

Customer experience

ISS Real

All ratings1,163 ratings
Positive96.7%
Neutral1.5%
Negative1.8%
Written reviews112 reviews
Positive62.5%
Neutral2.7%
Negative34.8%

Lunar Eclipse Guide

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

Bugs and requests

ISS Real

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

None

ISS Real

No in-app purchases

1 purchases

Lunar Eclipse Guide

One-time1
  • Advanced Eclipse Calendar$0.99

Questions

Is ISS Real free?
ISS Real costs $0.99, with no in-app purchases.
Is Lunar Eclipse Guide free?
Lunar Eclipse Guide costs $1.99, and also offers in-app purchases.
Which has better reviews, ISS Real or Lunar Eclipse Guide?
ISS Real is rated higher. ISS Real averages 4.8 out of 5 from 1.2K ratings, while Lunar Eclipse Guide averages 4.6 from 778 ratings.
Do ISS Real or Lunar Eclipse Guide have ads?
Lunar Eclipse Guide shows ads; ISS Real does not.
Which is updated more often, ISS Real or Lunar Eclipse Guide?
ISS Real ships an update every 4 days, and Lunar Eclipse Guide every 3 months. Most recently, ISS Real was updated on October 19, 2026 and Lunar Eclipse Guide on October 18, 2026.

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