# EarthPhase vs First Light

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.

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

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.

## The numbers

| Metric | EarthPhase | First Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/earthphase/id6759940394/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/first-light-cosmic-viewer/id6780022564/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | Free |
| Size | 40 MB | 75 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nathan Coleman](https://appshunter.io/developer/1881786388) | [Thomas Sola](https://appshunter.io/developer/6780022566) |

## What reviewers say

### EarthPhase

[App page](https://appshunter.io/ios/app/earthphase/id6759940394)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Tip | $4.99 | one-time |


### First Light

[App page](https://appshunter.io/ios/app/first-light-cosmic-viewer/id6780022564)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*