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What’s New Version 3.2
Your pocket planetarium just got bigger.
Solstix 3.1 transforms your iPhone into the ultimate stargazing companion. We've added 18 explorable moons, a complete celestial events calendar, and real-time sky quality
EXPLORE THE MOONS
Tap any planet and discover its moons in stunning 3D. Rotate them, explore them, learn their stories.
• Earth's Moon in high-resolution
• Mars has Phobos and Deimos in their true potato shapes
• Jupiter's four Galilean moons: Io, Europa, Ganymede, Callisto
• Saturn's Titan, Enceladus, Mimas and more
• All five major moons of Uranus
• Neptune's Triton, the only large moon that orbits backwards
• Pluto's Charon, nearly half the size of Pluto itself
EARTH JOINS THE PLANETS
Yes, we added our home planet. NASA's bathymetry model with deep blue oceans and seafloor detail.
THE NEW EVENTS TAB
• Tonight's Sky: Bortle rating, light pollution, Milky Way visibility
• Nearest Dark Sky: Find the closest dark sky park with directions
• Meteor Showers: Peak dates, meteor counts, moon interference
• Eclipse Tracker: All eclipses through 2030 with your local visibility
Real NASA data. Built for stargazers. Clear skies.
Description
The sky is doing something incredible right now.
Solstix shows you what.
STUNNING 3D VISUALS, REAL DATA
Solstix isn't just another sunrise app. It's a beautifully designed astronomy app featuring stunning 3D celestial bodies with NASA textures, accurate sun, moon, and planet
data, and a dynamic horizon that shifts through real-time sky colors from predawn to golden hour to night.
NEW: 3D UNIVERSE
Every celestial body is now a beautiful 3D model. Drag to rotate like a globe. Long-press for a glow burst. The Moon shows realistic phase lighting with the terminator shadow
exactly where it should be. Saturn has its iconic 4-band ring system. Smooth 60fps rendering brings the solar system to life.
NEW: ARTEMIS II MISSION CENTER
Follow NASA's historic crewed lunar mission. Track the spacecraft from launch to lunar flyby to splashdown. Meet the crew. Browse photos from the Moon. Get live mission
updates. Watch the countdown to Artemis III.
NEW: SPACE WEATHER
Know what the Sun is doing. Track solar flares, coronal mass ejections, and geomagnetic storms in real time. See activity levels from Quiet to Severe. Powered by NASA DONKI.
LIVE FROM MARS
See real images from the Curiosity rover. Pick from 6 cameras. You're looking at another planet.
LIVE FROM SPACE
See the Sun through NASA's Solar Dynamics Observatory. Explore Earth from deep space with NASA EPIC imagery.
THE MOON, PERFECTED
3D Moon with realistic phase lighting. Drag through 60 days of phases with haptic feedback. NASA Dial-A-Moon shows tonight's view.
DAYLIGHT, VISUALIZED
Follow the Sun's path. Watch the horizon change. Know exactly when golden hour begins.
FEATURES
• 3D Sun, Moon, and planets with NASA textures
• Saturn's rings with realistic tilt
• Artemis II tracker with crew and photos
• Space weather alerts
• 8 planets with visibility data
• Live Mars rover images
• Live NASA SDO imagery
• Moon phase with haptic scrubbing
• Dynamic horizon with stars
• Twilight timeline and golden hour countdown
• NOAA-powered calculations
MADE FOR PEOPLE WHO LOOK UP
Photographers. Stargazers. Hikers. Or anyone who has ever looked up and wondered.
No ads. No subscriptions. No tracking. 100% free.
Data: NASA SDO, GSFC, LRO, EPIC, JPL Mars, DONKI, Artemis, NOAA
Capabilities
In-App Purchases
Accessibility
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Version history 7 versions
Build 884694609v3.22026-04-21 17:22:43
Your pocket planetarium just got bigger.
Solstix 3.1 transforms your iPhone into the ultimate stargazing companion. We've added 18 explorable moons, a complete celestial events calendar, and real-time sky quality
EXPLORE THE MOONS
Tap any planet and discover its moons in stunning 3D. Rotate them, explore them, learn their stories.
• Earth's Moon in high-resolution
• Mars has Phobos and Deimos in their true potato shapes
• Jupiter's four Galilean moons: Io, Europa, Ganymede, Callisto
• Saturn's Titan, Enceladus, Mimas and more
• All five major moons of Uranus
• Neptune's Triton, the only large moon that orbits backwards
• Pluto's Charon, nearly half the size of Pluto itself
EARTH JOINS THE PLANETS
Yes, we added our home planet. NASA's bathymetry model with deep blue oceans and seafloor detail.
THE NEW EVENTS TAB
• Tonight's Sky: Bortle rating, light pollution, Milky Way visibility
• Nearest Dark Sky: Find the closest dark sky park with directions
• Meteor Showers: Peak dates, meteor counts, moon interference
• Eclipse Tracker: All eclipses through 2030 with your local visibility
Real NASA data. Built for stargazers. Clear skies.
Build 884306236v3.02026-04-09 15:27:48
v3.0 - "3D Universe" Release
Stunning 3D Planet Models
- 10 NASA-textured 3D celestial bodies: Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
- Interactive controls: Drag to rotate like a globe, long-press for glow burst
- Saturn's rings: 4-band ring system (D, C, B, A rings) with proper tilt
- Moon phase lighting: Directional light rotates based on lunar phase (terminator effect)
- SceneKit rendering: Smooth 60fps with PBR materials
Artemis II Mission Center (Moon Tab)
- Live mission tracker: Shows current mission status (En Route → Returning → Complete)
- Interactive timeline: Launch (Apr 1) → Flyby (Apr 6) → Splashdown (Apr 10)
- Crew profiles: Wiseman, Glover, Koch, Hansen with avatars
- Photo gallery: Browse 80+ NASA images from lunar flyby
- Artemis III countdown: Shows months/days until next mission (Sept 2027)
- NASA Updates feed: Expandable RSS feed with latest mission news
Space Weather (Sun Tab)
- Real-time solar activity: Quiet → Minor → Moderate → Elevated → Severe
- Solar flare tracking: X/M/C class flares with location
- CME monitoring: Coronal mass ejections with speed (km/s)
- Geomagnetic storms: Kp index and G-scale severity
- NASA DONKI API: 15-minute cache, expandable details
Build 884343085v3.12026-04-09 23:44:21
Smoother Touch Controls
• Refined gesture sensitivity across all tabs
• 3D planets rotate gently with natural feel
• Moon phase scrubbing requires deliberate swipes
• Planet navigation no longer triggers accidentally
• Overall touch experience feels polished and intentional
Thanks for the feedback!
Build 883765448v2.12026-03-26 09:01:32
What's New (v2.1)
Bug fix: Mars camera selection now correctly shows different images for each camera (NAVCAM, FHAZ, RHAZ, MASTCAM, CHEMCAM, MAHLI)
Build 883722828v2.02026-03-25 18:46:48
Introducing Planets — Our Biggest Update Yet
What started as a sun tracker has become your pocket planetarium.
NEW: PLANETS TAB
Swipe through Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune — and yes, Pluto. Each planet features a hand-crafted illustrated view you can drag to rotate
and long-press to watch glow.
LIVE FROM MARS
Switch to NASA mode on Mars and see real images beamed back from the Curiosity rover. Pick from 6 different cameras. The images update as NASA receives them —
you're looking at another planet.
KNOW WHAT'S UP TONIGHT
Real astronomical calculations show you exactly when each planet rises and sets, its distance from Earth, and whether you can spot it with the naked eye.
And yes — Solstix is still 100% free. No ads. No paywalls.
Built with love by one indie developer. If it brings you joy, there's now a small way to say thanks
Build 883568814v1.12026-03-20 15:24:07
What's New
- Moon Phase Accuracy: Fixed shadow rendering for waxing/waning phases - crescent now correctly appears on the right side for waxing, left for waning
- NASA Moon Imagery: Live daily moon phase images now sync accurately with current lunar cycle
- Smoother Interactions: Moon phase scrubbing no longer shifts the screen - drag to preview phases seamlessly
- UI Consistency: Unified layout across Sun, Moon, and Daylight tabs
Bug Fixes
- Fixed moon terminator direction calculation
- Fixed NASA SVS 5187 frame mapping formula
- Fixed layout shift when previewing future moon phases
Build 883079390v1.02026-03-19 17:12:47
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
| US | en-US | Free | 3 | 5.0 | 3.2 |
Change log 11 changes · US
✎
releaseNotes updated
Your pocket planetarium just got bigger.
✎
description updated
The sky is doing something incredible right now.
✎
subtitle updated
Sun, Moon & Golden Hour
✎
name updated
Solstix
◆
Version 3.2 released
Your pocket planetarium just got bigger.
◆
Version 3.1 released
Smoother Touch Controls
◆
Version 3.0 released
v3.0 - "3D Universe" Release
Stunning 3D Planet Models
- 10 NASA-textured 3D celestial bodies: Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
- Interactive controls: Drag to rotate like a globe, long-press
◆
Version 2.1 released
What's New (v2.1)
◆
Version 2.0 released
Introducing Planets — Our Biggest Update Yet
◆
Version 1.1 released
What's New
◆
Version 1.0 released