# Mem vs Logseq

The clearest difference is in-app purchases: Logseq at none against Mem's 4. Logseq also leads on review sentiment (59% vs 41%) and iOS requirement (14.0 vs 18.0). Mem's advantage is update cadence (every 3 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Mem sells 4 in-app purchases, starting at $12.00 per month. Logseq asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Mem against 4.4 for Logseq. Both are backed by a comparable volume of ratings — 123 and 252 respectively. Written reviews are what separate them: 41% of Mem's written reviews are positive against 59% of Logseq's.

Mem ships an update every 3 days, Logseq every 3 weeks. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Mem | Logseq |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (123 ratings)](https://appshunter.io/ios/app/mem-your-personal-ai-agent/id1578757028/reviews) | **[4.4 (252 ratings)](https://appshunter.io/ios/app/logseq/id1601013908/reviews)** |
| Number of ratings | 123 | **252** |
| Positive reviews | 41.1% of reviews | **58.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 99 MB | 62 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mem Labs, Inc.](https://appshunter.io/developer/1030154393) | [Logseq Inc.](https://appshunter.io/developer/1597272547) |

## What reviewers say

### Mem

[App page](https://appshunter.io/ios/app/mem-your-personal-ai-agent/id1578757028)

This app acts as an AI-powered thought partner, capturing and organizing your ideas, meetings, and research. It allows you to use voice to create and edit notes, and an AI assistant can recall, summarize, and reorganize your information. It also surfaces relevant notes automatically and offers powerful search capabilities.

**Highlights:** Voice-to-text note creation and editing, AI-powered summarization and recall, Automatic organization and structuring of notes, Intelligent surfacing of related information, Deep search for any note, Cross-device synchronization, Offline access

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $12.00 | per month |
| Proactive | $29.00 | per month |
| Proactive | $59.00 | per month |
| Proactive | $99.00 | per month |

**What reviewers like**

- 🤖 AI-powered note organization and auto-categorization
- 💬 Integrated ChatGPT/AI chat assistant for research and synthesis
- 🎙️ Voice-to-text transcription with formatting
- 🔗 Intelligent linking of related notes
- ⚡ Fast and intuitive interface design

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 🔄 Unreliable syncing between devices
- 📱 iOS app significantly less featured than desktop version
- 🔐 Requires Google/Apple login (no email option)
- 💾 Data loss and notes disappearing unexpectedly

**Reported bugs**

- Notes disappearing without trace or recovery option
- Bottom navigation bar covering key buttons
- Settings popup incorrectly prompts to download app already installed
- Black bar covering AI tool input field on web version
- Photos not saving or disappearing after one day

**Requested features**

- True hands-free voice activation with Siri shortcuts
- Widget support for voice notes and Apple Watch
- Node/mind map graph visualization of note connections
- PDF and document export functionality
- Full markdown support


### Logseq

[App page](https://appshunter.io/ios/app/logseq/id1601013908)

This open-source outliner helps you write, organize, and share your thoughts using local Markdown and Org-mode files. Manage tasks, build a digital garden, and integrate with various services for enhanced productivity.

**Highlights:** Backlinks, Knowledge Graph, Page and block references, Tasks & Todos, SRS Cards, Zotero integration, Audio recorder

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful note-taking features
- 👍 Intuitive interface
- 🔒 Local data storage
- 💡 Unique folderless structure
- 🚀 Efficient for daily note-taking

**What reviewers complain about**

- 🐛 Sync issues and data loss
- 🔍 Confusing mobile navigation
- 🔍 Lack of plugin support on mobile
- 🔍 Sluggish performance on older devices
- 🔍 Limited sync options (only iCloud)

**Reported bugs**

- Sync issues leading to data loss
- Inconsistent behavior when creating new blocks
- Cursor jumping issues when editing text
- Disappearing UI elements on mobile

**Requested features**

- Add support for other cloud storage options (Dropbox, Google Drive, etc.)
- Improve mobile UI and UX for better usability
- Implement plugin support on mobile
- Optimize performance for older devices


## Frequently asked questions

### Is Mem free?

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

### Is Logseq free?

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

### Which has better reviews, Mem or Logseq?

Logseq is rated higher. Mem averages 4.4 out of 5 from 123 ratings, while Logseq averages 4.4 from 252 ratings.

### Do Mem or Logseq have ads?

Neither Mem nor Logseq shows ads.

### Which is updated more often, Mem or Logseq?

Mem ships an update every 3 days, and Logseq every 3 weeks. Most recently, Mem was updated on September 21, 2026 and Logseq on September 19, 2026.

---

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