Comparison

EarthPhase vs First Light

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

Head to head
About

EarthPhase

Explore a beautifully designed, interactive solar system with real-time celestial data. Track moon and Earth phases, view planet positions, and travel through time to discover cosmic events and facts.

Highlights
  • Interactive solar system map
  • Real-time moon and Earth phases
  • Home and lock screen widgets
  • Time travel slider for past/future events
  • Discover cosmic facts and mechanics
  • Accurate planet positions and orbits
Features
Read full description

EarthPhase is your personal, beautifully designed pocket solar system, with all features completely free. Built with a stunning matte, low-key aesthetic, it brings the exact state of the solar system directly to your device. Whether you are an astronomy enthusiast or simply love a clean, minimalist Home Screen, EarthPhase tracks the cosmos in real-time. WIDGET SUITE Never miss a cosmic event. EarthPhase offers a variety of widgets designed to blend seamlessly with your custom setups: Home Screen Trackers: Keep an eye on the current Moon and Earth phases with perfectly rendered, dynamic icons. Lock Screen Data: Add circular planet icons or detailed rectangular widgets that display the exact live illumination percentage of the Moon or Earth right below your clock. Live Solar System: Place a dynamic map of the inner and outer planets on your Home Screen, available in multiple sizes. INTERACTIVE SOLAR SYSTEM Dive into the app to explore a highly accurate, interactive schematic of our solar system. Tap any planet to zoom in on its specific orbit, view its position relative to the Sun, and explore its major moons. TIME TRAVEL SLIDER Wondering what the moon phase was on the day you were born? Or when the next supermoon will happen? Use the precision control panel to scrub backward and forward through time. The entire solar system and moon phase engine will smoothly animate to reflect the exact celestial state of any date and time you choose. DISCOVER THE COSMOS Expand your knowledge with a massive library of scientifically accurate, lesser-known facts. Learn about the bizarre orbital mechanics of Jupiter's outer moons, the metal snow on Venus, or the true scale of the Martian canyons.

About

First Light

Explore the universe's earliest light with real cosmic microwave background data. Pan across the oldest light in the universe, switch between satellites, and observe shifts in frequency bands. This educational app brings real science and cosmic history to your mobile device.

Highlights
  • Explore cosmic microwave background data
  • Immersive sky exploration via phone movement
  • Switch between COBE, WMAP, and Planck satellites
  • Adjust frequency bands to see universe shifts
  • Utilizes real scientific data
Features
Read full description

Look up. What you're seeing isn't the night sky. It's the afterglow of the Big Bang, captured by three of the most important space missions ever launched. First Light turns real cosmic microwave background data from COBE, WMAP, and Planck into an immersive sky you can explore by simply moving your phone. Pan across the oldest light in the universe. Switch between satellites. Dial through frequency bands and watch the universe shift. This is real data. Real science. And it fits in your pocket.

Screenshots

EarthPhase4 screens
First Light4 screens

Verdict

The call

The clearest difference is in-app purchases: First Light at none against EarthPhase's 2. On price, rating, ratings volume and ads 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

Both are free to download. EarthPhase sells 2 one-off in-app purchases. First Light asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for EarthPhase against 5.0 for First Light. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Scorecard1 real difference · 9 level
EarthPhase versus First Light: the parameters behind the verdict, then further details
ParameterEarthPhaseFirst Light
PriceFreeFree
Rating5.0 (3 ratings)5.0 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings33
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhoneiPhone
Requires iOS18.617.0 — better
Further details — not scored
Size40 MB75 MB
Age rating4+4+
DeveloperNathan ColemanThomas Sola

Customer experience

EarthPhase

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

First Light

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

EarthPhase

One-time2
  • Tip$0.99
  • Tip$4.99
None

First Light

No in-app purchases

Questions

Is EarthPhase free?
EarthPhase is free to download, with in-app purchases available.
Is First Light free?
First Light is free to download, with no in-app purchases.
Which has better reviews, EarthPhase or First Light?
EarthPhase and First Light are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.
Do EarthPhase or First Light have ads?
Neither EarthPhase nor First Light shows ads.

Other comparisons