# PassFinder vs FireMAPS

The clearest difference is update cadence: FireMAPS at monthly against PassFinder's every 3 months. FireMAPS also leads on iOS requirement (14.0 vs 18.0). 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.

PassFinder ships an update every 3 months, FireMAPS monthly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PassFinder | FireMAPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (30 ratings)](https://appshunter.io/ios/app/passfinder/id721125800/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 39.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 5 MB | 75 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Hansen](https://appshunter.io/developer/721033532) | [MF Fire](https://appshunter.io/developer/1248847162) |

## What reviewers say

### PassFinder

[App page](https://appshunter.io/ios/app/passfinder/id721125800)

Track the International Space Station's visible passes over your location. Receive precise timing information to observe the ISS with the naked eye.

**Highlights:** ISS pass tracking, Visible pass notifications, Naked-eye observation guidance, Location-based timing

**Features:** macOS Compatibility

**In-app purchases:** none


### FireMAPS

[App page](https://appshunter.io/ios/app/firemaps/id1585208688)

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

**In-app purchases:** none


## Frequently asked questions

### Is PassFinder free?

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

### Is FireMAPS free?

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

### Do PassFinder or FireMAPS have ads?

Neither PassFinder nor FireMAPS shows ads.

### Which is updated more often, PassFinder or FireMAPS?

PassFinder ships an update every 3 months, and FireMAPS monthly. Most recently, PassFinder was updated on October 16, 2026 and FireMAPS on October 2, 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.*