# iqSystem vs ServerDoor

The clearest difference is in-app purchases: iqSystem at none against ServerDoor's 1. iqSystem also leads on device support (3 vs 1) and iOS requirement (8.0 vs 16.2). ServerDoor's advantage is update cadence (every 8 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. ServerDoor sells 1 one-off in-app purchase. iqSystem asks for nothing beyond the download.

iqSystem ships an update every 3 months, ServerDoor every 8 days. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | iqSystem | ServerDoor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Size | 97 MB | 4 MB |
| Requires iOS | **8.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IDK Corporation](https://appshunter.io/developer/588948186) | [Oleg Gutlyanskiy](https://appshunter.io/developer/1589765620) |

## What reviewers say

### iqSystem

[App page](https://appshunter.io/ios/app/iqsystem/id1439154473)

**Features:** macOS Compatibility

**In-app purchases:** none


### ServerDoor

[App page](https://appshunter.io/ios/app/serverdoor-ssh-client/id6474432962)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium features | $4.99 | one-time |


## Frequently asked questions

### Is iqSystem free?

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

### Is ServerDoor free?

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

### Do iqSystem or ServerDoor have ads?

Neither iqSystem nor ServerDoor shows ads.

### Which is updated more often, iqSystem or ServerDoor?

iqSystem ships an update every 3 months, and ServerDoor every 8 days. Most recently, iqSystem was updated on October 26, 2026 and ServerDoor on November 4, 2026.

---

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