# AgentOS vs Decision Engine AI

The clearest difference is in-app purchases: Decision Engine AI at none against AgentOS's 1. AgentOS's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AgentOS sells 1 in-app purchase, starting at $5.99 per month. Decision Engine AI asks for nothing beyond the download.

AgentOS ships an update weekly, Decision Engine AI every 2 months. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AgentOS | Decision Engine AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Free |
| Size | 38 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wang LongWei](https://appshunter.io/developer/1870321205) | [Kakhaber Sinauridze](https://appshunter.io/developer/1855981575) |

## What reviewers say

### AgentOS

[App page](https://appshunter.io/ios/app/agentos-ai-agent-host/id6759534004)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AgentOS Premium | $5.99 | per month |


### Decision Engine AI

[App page](https://appshunter.io/ios/app/decision-engine-ai/id6760727264)

This app provides structured, intelligent breakdowns of decisions to help users think clearly and act with confidence. It aims to prevent circular thinking by offering quick, insightful analyses.

**Highlights:** Structured decision breakdowns, Intelligent analysis, Faster decision making, Clear thinking support, Actionable insights

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

**In-app purchases:** none


## Frequently asked questions

### Is AgentOS free?

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

### Is Decision Engine AI free?

Decision Engine AI is free to download, with no in-app purchases.

### Do AgentOS or Decision Engine AI have ads?

Neither AgentOS nor Decision Engine AI shows ads.

### Which is updated more often, AgentOS or Decision Engine AI?

AgentOS ships an update weekly, and Decision Engine AI every 2 months. Most recently, AgentOS was updated on September 26, 2026 and Decision Engine AI on September 19, 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.*