Comparison

StarMap 3D+ Plus vs Stargazers Astronomy Guide

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

Head to head
About

StarMap 3D+ Plus

Explore the cosmos with a portable star atlas. Identify planets, constellations, and deep sky objects using your device's sensors. Features detailed information and 3D visualizations for both beginners and advanced astronomers.

Highlights
  • Real-time satellite tracking (ISS, Hubble)
  • Extensive star and deep sky object database
  • Detailed constellation information and lines
  • Location-based celestial object identification
  • 3D universe visualization
  • Adjustable date and time for celestial viewing
Features
Read full description

Use your iPhone's compass and gyroscope to find planets, constellations, satellites, and more with crisp, colorful, high-definition Retina graphics that use every pixel of your iPhone or iPad! Hold the universe in your pocket! StarMap 3D Plus is the portable star atlas for beginners or advanced astronomers. Use StarMap 3D Plus to find the planets, stars, constellations, star clusters, galaxies, and nebulae visible to you based on your location and time. StarMap 3D will even use the compass to automatically align the map! • Real-time positions of 150 artificial satellites, including the International Space Station (ISS), and the Hubble Space Telescope • iPad Support • Over 100,000 stars, with detailed information for each of them • 6,441 deep sky objects, with details such as distance from Earth, diameter, apparent size and orientation, and morphology • All 88 modern constellations, with lines based on the outlines from "The Stars: A New Way to See Them" by H.A. Rey • MacRobert and Classic constellation lines also available • Location-based-services (LBS) / Global Positioning System (GPS) support, or manually enter your longitude and latitude • Adjustable date and time of day • Also adjust time instantaneously and interactively with the Time Scroll feature • Compass support, if present • Planetarium Mode for seeing only objects visible to you, or browse the entire celestial sphere • 3D Mode for visualizing the universe in three dimensions

About

Stargazers Astronomy Guide

Features
Read full description

Discover the wonders of the night sky with Stargazers Guide—your beautifully designed, all-in-one astronomy companion. Whether you're a curious beginner, an amateur astronomer, or a family learning together, this app brings the universe to your fingertips. Key Features: - Interactive Star Map
 • Real-time star positions with zoom and pan
 • Glowing constellation lines and artistic overlays
 • Clean view mode for pure stargazing
 • Tap to learn about any star or constellation - AR Sky View
 • Point your device to identify stars and planets
 • Real-time, location-aware overlays
 • Accurate celestial mapping with ARKit
 • Interactive labels and mythological stories - Tonight's Sky
 • See which planets are visible now
 • Moon phase calendar and rise/set times
 • Location-based sunset, twilight, and visibility tips
 • Alerts for upcoming astronomical events Learning Center
Explore 8 deep-dive categories: 1 Astronomy Basics 2 Constellations 3 Observing Guides 4 Telescopes & Gear 5 Sky Phenomena 6 Navigation Techniques 7 Astrophotography 8 History & Mythology
→ Includes difficulty levels, practical tips, and red light mode for night reading Advanced Search & Data
 • Search across 400+ stars and 100+ deep sky objects • Full constellation reference
 • Real-time planetary positions
 • Intelligent filters by magnitude, type, or time Why Stargazers Love It • Works fully offline — great for camping and remote locations
 • AR-based star navigation is intuitive and accurate
 • Red light mode helps preserve night vision
 • Built for iPhone and iPad with responsive design
 • No ads, no tracking — just pure cosmic discovery Made For: • Amateur and advanced astronomers
 • STEM students and science teachers
 • Homeschooling families
 • Photographers and nature lovers
 • Anyone with curiosity about the night sky

Screenshots

StarMap 3D+ Plus4 screens
Stargazers Astronomy Guide4 screens

Verdict

The call

The clearest difference is in-app purchases: Stargazers Astronomy Guide at none against StarMap 3D+ Plus's 1. StarMap 3D+ Plus's advantage is price ($2.99 vs $4.99) and iOS requirement (16.6 vs 18.4). On 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

StarMap 3D+ Plus costs $2.99 and Stargazers Astronomy Guide $4.99 up front. StarMap 3D+ Plus sells 1 one-off in-app purchase. Stargazers Astronomy Guide asks for nothing beyond the download.

Scorecard3 real differences · 7 level
StarMap 3D+ Plus versus Stargazers Astronomy Guide: the parameters behind the verdict, then further details
ParameterStarMap 3D+ PlusStargazers Astronomy Guide
Price$2.99 — better$4.99
Rating4.8 (6.9K ratings) — better—
Positive reviews86.1% of reviews—
Number of ratings6.9K — better—
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better18.4
Further details — not scored
Size576 MB10 MB
Age rating4+4+
DeveloperSanville SoftwareChatStick Company Limited

Bugs and requests

StarMap 3D+ Plus

Reported bugs

3 issues
  • App crashes or freezes on launch
  • Incorrect moon and planet positioning
  • Inconsistent performance after updates

Requested features

4 requests
  • More detailed deep sky object representations
  • Improved tracking and compass accuracy
  • Addition of educational content and tutorials
  • Customization options for constellation art

Stargazers Astronomy Guide

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

StarMap 3D+ Plus

One-time1
  • More Stars$1.99
None

Stargazers Astronomy Guide

No in-app purchases

Questions

Is StarMap 3D+ Plus free?
StarMap 3D+ Plus costs $2.99, and also offers in-app purchases.
Is Stargazers Astronomy Guide free?
Stargazers Astronomy Guide costs $4.99, with no in-app purchases.
Do StarMap 3D+ Plus or Stargazers Astronomy Guide have ads?
Neither StarMap 3D+ Plus nor Stargazers Astronomy Guide shows ads.

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