# Uptime Koala vs Shellter

The clearest difference is iOS requirement: Uptime Koala at 13.0 against Shellter's 15.0. 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.

## The numbers

| Metric | Uptime Koala | Shellter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | — | Free |
| Size | 20 MB | 21 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ScreenApp](https://appshunter.io/developer/1795271824) | [Blocify LLC](https://appshunter.io/developer/1896686164) |

## What reviewers say

### Uptime Koala

[App page](https://appshunter.io/ios/app/uptime-koala-instant-alerts/id6757585500)

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

**In-app purchases:** none


### Shellter

[App page](https://appshunter.io/ios/app/shellter-ssh-and-sftp-client/id6789708856)

A local-only client for SSH, SFTP, and FTP connections. It offers a real terminal experience, secure file management, and robust host key verification, all without requiring accounts or sending user data.

**Highlights:** Real interactive terminal with xterm rendering, SFTP/FTP file browsing, upload, and download, Host key pinning for secure SSH connections, Secure storage of passwords and private keys, Local-only operation with no account needed

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

**In-app purchases:** none


## Frequently asked questions

### Is Uptime Koala free?

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

### Is Shellter free?

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

### Do Uptime Koala or Shellter have ads?

Neither Uptime Koala nor Shellter shows ads.

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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.*