# Zero Carbon Navi vs Xermius

The clearest difference is in-app purchases: Zero Carbon Navi at none against Xermius's 2. Zero Carbon Navi also leads on iOS requirement (13.0 vs 15.0). Xermius's advantage is update cadence (every 5 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Xermius sells 2 in-app purchases, starting at $4.99 per month. Zero Carbon Navi asks for nothing beyond the download.

Zero Carbon Navi ships an update fortnightly, Xermius every 5 days. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Zero Carbon Navi | Xermius |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 90 MB | 58 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NextDrive Co.](https://appshunter.io/developer/1005329987) | [Luong Van Duc](https://appshunter.io/developer/1360162465) |

## What reviewers say

### Zero Carbon Navi

[App page](https://appshunter.io/ios/app/zero-carbon-navi/id6475660584)

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

**In-app purchases:** none


### Xermius

[App page](https://appshunter.io/ios/app/xermius-ssh-terminal/id6761361005)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xermius Pro (Monthly) | $4.99 | per month |
| Xermius Pro (Annual) | $49.99 | per year |


## Frequently asked questions

### Is Zero Carbon Navi free?

Zero Carbon Navi is free to download, with no in-app purchases.

### Is Xermius free?

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

### Do Zero Carbon Navi or Xermius have ads?

Neither Zero Carbon Navi nor Xermius shows ads.

### Which is updated more often, Zero Carbon Navi or Xermius?

Zero Carbon Navi ships an update fortnightly, and Xermius every 5 days. Most recently, Zero Carbon Navi was updated on October 24, 2026 and Xermius on October 3, 2026.

---

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