# Holiday Explained vs Satellite Imagery Data Process

The clearest difference is in-app purchases: Holiday Explained at none against Satellite Imagery Data Process's 3. Satellite Imagery Data Process's advantage is update cadence (fortnightly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Satellite Imagery Data Process sells 3 in-app purchases, starting at $7.99 per month. Holiday Explained asks for nothing beyond the download.

Holiday Explained ships an update every 6 months, Satellite Imagery Data Process fortnightly. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Holiday Explained | Satellite Imagery Data Process |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 30 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Epic Genius LLC](https://appshunter.io/developer/1193070219) | [Nguyen Anh](https://appshunter.io/developer/882187560) |

## What reviewers say

### Holiday Explained

[App page](https://appshunter.io/ios/app/holiday-explained/id6759066703)

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

**In-app purchases:** none


### Satellite Imagery Data Process

[App page](https://appshunter.io/ios/app/satellite-imagery-data-process/id6786141237)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Satellite Imagery Premium Monthly | $7.99 | per month |
| Satellite Imagery Premium Yearly | $34.99 | per year |
| Satellite Imagery Premium Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Holiday Explained free?

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

### Is Satellite Imagery Data Process free?

Satellite Imagery Data Process is free to download, with in-app purchases available.

### Do Holiday Explained or Satellite Imagery Data Process have ads?

Neither Holiday Explained nor Satellite Imagery Data Process shows ads.

### Which is updated more often, Holiday Explained or Satellite Imagery Data Process?

Holiday Explained ships an update every 6 months, and Satellite Imagery Data Process fortnightly. Most recently, Holiday Explained was updated on September 27, 2026 and Satellite Imagery Data Process on October 4, 2026.

---

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