# First Light vs PALE space

The clearest difference is iOS requirement: PALE space at 15.1 against First Light's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

First Light ships an update every 3 weeks, PALE space every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | First Light | PALE space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/first-light-cosmic-viewer/id6780022564/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 75 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Sola](https://appshunter.io/developer/6780022566) | [Zakaria Bachi](https://appshunter.io/developer/6781040565) |

## What reviewers say

### 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


### PALE space

[App page](https://appshunter.io/ios/app/pale-space/id6781040563)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is First Light free?

First Light is free to download, with no in-app purchases.

### Is PALE space free?

PALE space is free to download, with no in-app purchases.

### Do First Light or PALE space have ads?

Neither First Light nor PALE space shows ads.

### Which is updated more often, First Light or PALE space?

First Light ships an update every 3 weeks, and PALE space every 6 weeks. Most recently, First Light was updated on October 31, 2026 and PALE space on October 31, 2026.

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