# CelsiUSA vs Sunset Score

The clearest difference is update cadence: Sunset Score at daily against CelsiUSA's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CelsiUSA sells 1 one-off in-app purchase and Sunset Score sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

CelsiUSA ships an update every 7 months, Sunset Score daily. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CelsiUSA | Sunset Score |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Size | 12 MB | 42 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Myers](https://appshunter.io/developer/1636750818) | [CHRISTMAS SERVICES S.R.L.](https://appshunter.io/developer/1896777620) |

## What reviewers say

### CelsiUSA

[App page](https://appshunter.io/ios/app/celsiusa/id6449006027)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Sunset Score

[App page](https://appshunter.io/ios/app/sunset-score-sky-alerts/id6771306019)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sunset Score Monthly Subscription | $0.99 | per month |
| Sunset Score Yearly Subscription | $7.99 | per year |


## Frequently asked questions

### Is CelsiUSA free?

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

### Is Sunset Score free?

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

### Do CelsiUSA or Sunset Score have ads?

Neither CelsiUSA nor Sunset Score shows ads.

### Which is updated more often, CelsiUSA or Sunset Score?

CelsiUSA ships an update every 7 months, and Sunset Score daily. Most recently, CelsiUSA was updated on October 18, 2026 and Sunset Score on October 4, 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.*