# Skylob vs NAPI Gallery

The clearest difference is update cadence: Skylob at every 3 weeks against NAPI Gallery's every 4 months. NAPI Gallery's advantage is iOS requirement (14.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Skylob against 5.0 for NAPI Gallery. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Skylob ships an update every 3 weeks, NAPI Gallery every 4 months. The most recent releases landed on September 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Skylob | NAPI Gallery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/skylob/id1538744084/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/napi-gallery/id1561951283/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 11 MB | 4 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kyle Cheng](https://appshunter.io/developer/1518774140) | [Mitch Fisher](https://appshunter.io/developer/418175048) |

## 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


### NAPI Gallery

[App page](https://appshunter.io/ios/app/napi-gallery/id1561951283)

Explore stunning images and videos from NASA's public API. View the Astronomical Picture of the Day, dating back to 1995, and discover rover images from Spirit, Opportunity, Curiosity, and Perseverance.

**Highlights:** Astronomical Picture of the Day, Selectable dates for APOD (since 1995), Images from four NASA rovers, Selectable earth-dates for rover images, View images from inactive rovers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Skylob free?

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

### Is NAPI Gallery free?

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

### Which has better reviews, Skylob or NAPI Gallery?

Skylob and NAPI Gallery are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Skylob or NAPI Gallery have ads?

Neither Skylob nor NAPI Gallery shows ads.

### Which is updated more often, Skylob or NAPI Gallery?

Skylob ships an update every 3 weeks, and NAPI Gallery every 4 months. Most recently, Skylob was updated on September 23, 2026 and NAPI Gallery on October 10, 2026.

---

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