# prepCIE vs Space Photos

The clearest difference is update cadence: Space Photos at every 3 days against prepCIE's every 5 months. prepCIE's advantage is iOS requirement (14.0.0 vs 16.6). 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.

prepCIE ships an update every 5 months, Space Photos every 3 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | prepCIE | Space Photos |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 35 MB | 17 MB |
| Requires iOS | **14.0.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Bilal Rafi](https://appshunter.io/developer/1709916625) | [Limit Point Software](https://appshunter.io/developer/377981570) |

## What reviewers say

### prepCIE

[App page](https://appshunter.io/ios/app/prepcie/id6468444094)

**Features:** macOS Compatibility

**In-app purchases:** none


### Space Photos

[App page](https://appshunter.io/ios/app/space-photos/id6736924156)

Discover stunning images from NASA's Astronomy Picture of the Day. Each photo comes with a description, date, and download link. Share collections or individual images, and save them directly to your device.

**Highlights:** Daily random space images, Image descriptions and metadata, Downloadable images, Shareable image collections, Save to Photos library, Copy to pasteboard

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is prepCIE free?

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

### Is Space Photos free?

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

### Do prepCIE or Space Photos have ads?

Neither prepCIE nor Space Photos shows ads.

### Which is updated more often, prepCIE or Space Photos?

prepCIE ships an update every 5 months, and Space Photos every 3 days. Most recently, prepCIE was updated on October 12, 2026 and Space Photos on October 24, 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.*