# Skylob vs AstroPic

The clearest difference is update cadence: Skylob at every 3 weeks against AstroPic's every 5 months. AstroPic's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Skylob ships an update every 3 weeks, AstroPic every 5 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Skylob | AstroPic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skylob/id1538744084/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 11 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kyle Cheng](https://appshunter.io/developer/1518774140) | [Ron Tabachnik](https://appshunter.io/developer/1687669075) |

## What reviewers say

### Skylob

[App page](https://appshunter.io/ios/app/skylob/id1538744084)

Explore the vastness of the observable universe, from its immense size to the accelerating expansion driven by dark energy. Discover how our cosmological horizon is shrinking, making parts of the cosmos permanently unknowable. This app invites contemplation on our place within this cosmic immensity.

**Highlights:** Observable universe scale, Dark energy and expansion, Cosmological horizon explained, Our place in the cosmos, Scientific concepts simplified

**Features:** macOS Compatibility

**In-app purchases:** none


### AstroPic

[App page](https://appshunter.io/ios/app/astropic-apod/id6502918663)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Skylob free?

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

### Is AstroPic free?

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

### Do Skylob or AstroPic have ads?

Neither Skylob nor AstroPic shows ads.

### Which is updated more often, Skylob or AstroPic?

Skylob ships an update every 3 weeks, and AstroPic every 5 months. Most recently, Skylob was updated on October 24, 2026 and AstroPic on October 25, 2026.

---

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