# SkillMap vs Memex

The clearest difference is in-app purchases: Memex at none against SkillMap's 4. Memex also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SkillMap sells 4 in-app purchases, starting at $3.99 per 7 days. Memex asks for nothing beyond the download.

SkillMap ships an update every 9 days, Memex fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SkillMap | Memex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memex-ai-markdown-canvas/id6758204977/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 21 MB | 35 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [海坤 孟](https://appshunter.io/developer/1787009679) | [Alex Morris](https://appshunter.io/developer/1871426979) |

## What reviewers say

### SkillMap

[App page](https://appshunter.io/ios/app/skillmap-ai-roadmap/id6747281253)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Annually Subscription | $29.99 | per year |
| VIP Lifetime | $99.99 | one-time |


### Memex

[App page](https://appshunter.io/ios/app/memex-ai-markdown-canvas/id6758204977)

Organize your Markdown notes and PDFs on an infinite canvas. Connect documents, sketch with Apple Pencil, and use an AI chat to ask questions about your gathered information. Your files remain private and accessible via iCloud Drive.

**Highlights:** Infinite canvas for notes and PDFs, AI chat to query your documents, Apple Pencil handwriting and sketching, Markdown rendering as live cards, Organize and connect content with arrows, Export content as images

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

**In-app purchases:** none


## Frequently asked questions

### Is SkillMap free?

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

### Is Memex free?

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

### Do SkillMap or Memex have ads?

Neither SkillMap nor Memex shows ads.

### Which is updated more often, SkillMap or Memex?

SkillMap ships an update every 9 days, and Memex fortnightly. Most recently, SkillMap was updated on October 25, 2026 and Memex on October 28, 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.*