First Light vs ScaleWalk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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.
ScaleWalk
Read full descriptionHide full description
Explore the scale of our universe through an interactive logarithmic world. Move from microscopic DNA to humans, planets, and stars. Compare objects, open knowledge cards, follow guided journeys, save discoveries, and test what you learn.
Screenshots
Verdict
The clearest difference is rating: First Light at 5.0 against ScaleWalk's 3.0. First Light also leads on ratings volume (3 vs 1). ScaleWalk's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
First Light holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
| Parameter | First Light | ScaleWalk |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 75 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Sola | Dieu Hien Nguyen Thi |
In-app purchases
First Light
No in-app purchases
ScaleWalk
No in-app purchases
Questions
Is First Light free?
Is ScaleWalk free?
Which has better reviews, First Light or ScaleWalk?
Do First Light or ScaleWalk have ads?
Other comparisons
