ExtMemo vs DarklingNotebook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ExtMemo
Capture, secure, and intelligently recall your ideas with an AI-powered external memory system. Offers end-to-end encryption for absolute privacy and seamless collaboration features. Export your data anytime without vendor lock-in.
- Smart Recall AI
- Zero-Knowledge E2EE
- Conflict-Free Collaboration
- Encrypted Team Sharing
- Web and Desktop App
- Markdown Data Export
- AI-Powered Mind Extension
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[+] Unique Info-Chain Architecture - Group related information into sequential chain, not folders. - Connect fragmented information into one organized thread. - Quick Chain Creation — create a new chain and connect it to the current one. - Add daily or milestone updates to track projects end-to-end. - Track height changes and dental visits in chronological chains. - Give each travel day its own note, with plans and bookings in one chain. [+] End-2-End Encrypted, and Searchable - Granular Flexible Encryption: Encrypt an entire note or only its most sensitive content. - Chain-Wide Search: Unencrypted notes can index and search the entire Note Chain. - Stored neither on the server nor on your device: only briefly in memory when needed for decryption. - Flexible Face ID & Fingerprint Protection — for encrypted content, app access, or not at all. [+] Visible Todos In Context - Todos stay in context: Part of your meeting notes, not a separate task list. - Simple by design: Just set a due date. No complicated setup. - Visualize dependencies: See what to do first and what comes next at a glance. - Organize your thoughts: Turn ideas and tasks into a visual mind map. - Track completion automatically: Completion time is recorded automatically. - Stay on track: Get daily reminders for todos due within the next 5 days. - Manage time-sensitive benefits: Never lose track of unused coupons, credits, or expiring offers. [+] Synced to Desktop (Web App), More Powerful, Maximum Efficiency - Work seamlessly across devices: Stay in sync and handle information more efficiently on the desktop. - Import with ease: Bring your notes into ExtMemo with JSON or Markdown. - Export everything: Export your entire note collection in Markdown for easy access and portability. - Explore your knowledge visually: Use the Nebula View to see semantically connected Note Chains at a glance. - Build your todo flow visually: Drag todos into place and connect them with dependencies. [+] Valuable & Private Information, Shared Securely - Share entire chains: Share Note Chains securely with teammates or family members. - Share encrypted content: E2EE-protected information can be shared without giving up privacy. - Everyone adds their own notes: Members can add or update notes without interfering with each other. - Keep information up to date: Multiple people can update the same chain, keeping everyone aligned on the latest status. [+] More Features - AI Assistant — Your intelligent companion for understanding, finding, and managing your information. - Turn off AI Assistant anytime — it won't access your information. - Sign in instantly with Apple or Google — no separate account needed. - Markdown Editor: Write and format notes with Markdown. - Cross-Chain Links: Link chains together and jump between them instantly. - Bookmarks: Save important notes for quick access. - Dark Mode: A comfortable experience in low-light environments. - Flexible E2EE Rules: Choose what to encrypt: manually, everything, or everything except the top note. - Two Visual Styles: Choose between Simple and Classic styles. - Arrange the information in your Info-Chain in any order you like. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
DarklingNotebook
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DarklingNotebook is a dark-themed note-taking app designed for creative workers and writing enthusiasts. Capture fleeting inspirations in the darkness, record every precious thought, and make writing a pleasure. With a pure dark design style, it protects your eyes and keeps you comfortable during late-night creative sessions.
Screenshots
Verdict
The clearest difference is in-app purchases: DarklingNotebook at none against ExtMemo's 3. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ExtMemo sells 3 in-app purchases, starting at $2.99 per month. DarklingNotebook asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | ExtMemo | DarklingNotebook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 46 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | ExtMemo AI Technology (Beijing) Co., Ltd | 雪莲 张 |
In-app purchases
ExtMemo
- Monthly1 Month trial$2.991 Month
- Annually2 Months trial$29.991 Year
- Linked Note AI$3.99
DarklingNotebook
No in-app purchases









