# Buddi vs Cortex

The clearest difference is in-app purchases: Buddi at none against Cortex's 3. Buddi also leads on update cadence (daily vs every 3 days). Cortex's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Cortex sells 3 in-app purchases, starting at $4.99 per month. Buddi asks for nothing beyond the download.

Buddi ships an update daily, Cortex every 3 days. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Buddi | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/buddi-organize-relationships/id6477751670/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Free | — |
| Size | 1 MB | 131 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Karl Brycz](https://appshunter.io/developer/1678207110) | [JTR Labs LLC](https://appshunter.io/developer/1892768253) |

## What reviewers say

### Buddi

[App page](https://appshunter.io/ios/app/buddi-organize-relationships/id6477751670)

This app helps you cherish and remember important details about your friends and loved ones. You can log conversations, milestones, and shared experiences, all stored privately on your device. It offers an intuitive interface for easy navigation and works offline, making it a perfect companion for strengthening connections.

**Highlights:** Personalized contact list, Log conversations and milestones, Create custom groups and events, Ad-free and privacy-focused, Offline functionality, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortex

[App page](https://appshunter.io/ios/app/cortex-local-markdown-brain/id6785630809)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortex Plus (Monthly) | $4.99 | per month |
| Cortex Plus (Yearly) | $39.99 | per year |
| Cortex Believer | $99.99 | one-time |


## Frequently asked questions

### Is Buddi free?

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

### Is Cortex free?

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

### Do Buddi or Cortex have ads?

Neither Buddi nor Cortex shows ads.

### Which is updated more often, Buddi or Cortex?

Buddi ships an update daily, and Cortex every 3 days. Most recently, Buddi was updated on September 11, 2026 and Cortex on September 9, 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.*