# Decision Engine AI vs Second Brain Link

The clearest difference is iOS requirement: Second Brain Link at 15.1 against Decision Engine AI's 18.0. 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 | Decision Engine AI | Second Brain Link |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 2 MB | 51 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kakhaber Sinauridze](https://appshunter.io/developer/1855981575) | [Adrian Vicovan](https://appshunter.io/developer/6790683158) |

## What reviewers say

### 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


### Second Brain Link

[App page](https://appshunter.io/ios/app/second-brain-link/id6790683156)

**In-app purchases:** none


## Frequently asked questions

### Is Decision Engine AI free?

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

### Is Second Brain Link free?

Second Brain Link is free to download, with no in-app purchases.

### Do Decision Engine AI or Second Brain Link have ads?

Neither Decision Engine AI nor Second Brain Link 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.*