# SimpleHPC aiTerm vs Shellby

The clearest difference is in-app purchases: SimpleHPC aiTerm at none against Shellby's 3. SimpleHPC aiTerm also leads on update cadence (every 3 days vs every 11 days). On price, review sentiment, ads and device support there is nothing between them.

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

SimpleHPC aiTerm ships an update every 3 days, Shellby every 11 days. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SimpleHPC aiTerm | Shellby |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 11 days |
| Monetization | **Free** | Freemium |
| Size | 12 MB | 15 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [孟龙 陈](https://appshunter.io/developer/1872553077) | [荟 马](https://appshunter.io/developer/1859998670) |

## What reviewers say

### SimpleHPC aiTerm

[App page](https://appshunter.io/ios/app/simplehpc-aiterm/id6774213755)

Connect to your Linux servers from your iOS device. This SSH client allows developers and system administrators to run shell commands, manage remote environments, and utilize terminal-based AI coding tools.

**Highlights:** SSH password and private key login, Remote Linux shell access, Run scripts and command-line tools, AI coding workflows over SSH, SFTP support

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

**In-app purchases:** none


### Shellby

[App page](https://appshunter.io/ios/app/shellby-ssh-client-and-terminal/id6786177565)

A native SSH client for Apple devices that offers SFTP, tunnels, and server monitoring. It features an AI assistant to translate plain language tasks into commands and Mosh-compatible transport for resilient sessions.

**Highlights:** AI-powered command generation, Mosh-compatible sessions, SFTP file transfer, Port forwarding and tunnels, Server monitoring (CPU, memory), On-screen key bar

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $9.99 | per year |
| Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is SimpleHPC aiTerm free?

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

### Is Shellby free?

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

### Do SimpleHPC aiTerm or Shellby have ads?

Neither SimpleHPC aiTerm nor Shellby shows ads.

### Which is updated more often, SimpleHPC aiTerm or Shellby?

SimpleHPC aiTerm ships an update every 3 days, and Shellby every 11 days. Most recently, SimpleHPC aiTerm was updated on September 20, 2026 and Shellby on September 14, 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.*