# Sigma Domain vs Aigentik

The clearest difference is in-app purchases: Aigentik at none against Sigma Domain's 2. Sigma Domain's advantage is update cadence (every 2 days vs monthly) and iOS requirement (16.6 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Sigma Domain sells 2 in-app purchases, starting at $5.99 per month. Aigentik asks for nothing beyond the download.

Sigma Domain ships an update every 2 days, Aigentik monthly. The most recent releases landed on October 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sigma Domain | Aigentik |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Size | 73 MB | 50 MB |
| Requires iOS | **16.6** | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sigma Domain](https://appshunter.io/developer/1876019749) | [Think Code Release Ltd](https://appshunter.io/developer/784847232) |

## What reviewers say

### Sigma Domain

[App page](https://appshunter.io/ios/app/sigma-domain/id6751211704)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Monthly Sigma Domain | $5.99 | per month |
| Additional Usage - Sigma Domain | $9.99 | one-time |


### Aigentik

[App page](https://appshunter.io/ios/app/aigentik/id6752873571)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sigma Domain free?

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

### Is Aigentik free?

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

### Do Sigma Domain or Aigentik have ads?

Neither Sigma Domain nor Aigentik shows ads.

### Which is updated more often, Sigma Domain or Aigentik?

Sigma Domain ships an update every 2 days, and Aigentik monthly. Most recently, Sigma Domain was updated on October 28, 2026 and Aigentik on October 6, 2026.

---

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