# NapCat vs Fortress SOS

The clearest difference is in-app purchases: Fortress SOS at none against NapCat's 3. Fortress SOS also leads on iOS requirement (11.0 vs 15.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NapCat sells 3 in-app purchases, starting at $1.99 per month. Fortress SOS asks for nothing beyond the download.

NapCat ships an update every 4 months, Fortress SOS every 2 months. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | NapCat | Fortress SOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/napcat-offline-github-client/id606238223/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 156 MB | 12 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Shotdoor](https://appshunter.io/developer/530049796) | [Ruben Carbajal](https://appshunter.io/developer/1464774605) |

## What reviewers say

### NapCat

[App page](https://appshunter.io/ios/app/napcat-offline-github-client/id606238223)

Access and read your favorite GitHub repositories offline on any device. This app offers a powerful code editor and comfortable reading experience with syntax highlighting for over 90 languages. Enjoy your code anywhere, anytime.

**Highlights:** Offline Git client, Code editor, Syntax highlighting, Starred repository access, Supports 90+ languages, Customizable themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Pro | $1.99 | per month |
| 1 Year Pro | $9.99 | per year |
| NapCat Upgrade | $12.99 | one-time |


### Fortress SOS

[App page](https://appshunter.io/ios/app/fortress-sos/id1482442448)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NapCat free?

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

### Is Fortress SOS free?

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

### Do NapCat or Fortress SOS have ads?

Neither NapCat nor Fortress SOS shows ads.

### Which is updated more often, NapCat or Fortress SOS?

NapCat ships an update every 4 months, and Fortress SOS every 2 months. Most recently, NapCat was updated on September 16, 2026 and Fortress SOS on September 19, 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.*