# NAPI Gallery vs Hubble

The clearest difference is rating: NAPI Gallery at 5.0 against Hubble's 3.0. NAPI Gallery also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Hubble sells 1 one-off in-app purchase. NAPI Gallery asks for nothing beyond the download.

NAPI Gallery holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

NAPI Gallery ships an update every 4 months, Hubble every 23 months. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NAPI Gallery | Hubble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/napi-gallery/id1561951283/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/hubble-deep-space-2/id1615227352/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 23 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 1.7 GB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Mitch Fisher](https://appshunter.io/developer/418175048) | [Alparslan Topbas](https://appshunter.io/developer/1130875171) |

## What reviewers say

### 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


### Hubble

[App page](https://appshunter.io/ios/app/hubble-deep-space-2/id1615227352)

Explore the universe with stunning images and videos from the Hubble Space Telescope. Discover detailed information about deep space objects and view 3D models. Enjoy an immersive educational experience.

**Highlights:** Browse 550+ high-resolution space photos, Detailed information on space objects, Full-screen slideshow mode, Zoomable image gallery, 220+ educational videos, Interactive 3D models

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hubble: Deep Space 2 - Ad-Free | $0.99 | one-time |


## Frequently asked questions

### Is NAPI Gallery free?

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

### Is Hubble free?

Hubble is free to download, with in-app purchases available.

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

NAPI Gallery is rated higher. NAPI Gallery averages 5.0 out of 5 from 1 ratings, while Hubble averages 3.0 from 2 ratings.

### Do NAPI Gallery or Hubble have ads?

Hubble shows ads; NAPI Gallery does not.

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

NAPI Gallery ships an update every 4 months, and Hubble every 23 months. Most recently, NAPI Gallery was updated on October 10, 2026 and Hubble on September 30, 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.*