Comparison

Blackmount vs Remosidian

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Blackmount

Capture and organize AI conversations, browser sessions, bookmarks, voice notes, and research. Search your saved content or ask AI questions across it, with source citations. Resume your work seamlessly across devices.

Highlights
  • Save and search AI conversations
  • Capture browser tabs and sessions
  • Organize bookmarks and research
  • Record and transcribe voice notes
  • Ask AI questions across saved content
  • Resume work across devices
  • Source citations for AI answers
Features
Read full description

Save your AI chats and research. Search, ask, and resume anywhere. Blackmount helps you capture the work you do across AI conversations, browser sessions, bookmarks, voice notes, and research tabs — then search it or ask AI about it later. Never lose the conversation, source, tab, or note that helped you think through something important. AI CHAT MEMORY - Save and search your AI conversations in one place - Works with supported AI sites such as ChatGPT, Claude, Gemini, Grok, Perplexity, DeepSeek, and Meta AI - View full conversations with markdown formatting - Find useful prompts, answers, code, drafts, and research later - Captured through the Blackmount browser extension with user consent ASK AI - Ask questions across your captured content - Get answers grounded in your saved notes, sessions, voice recordings, and AI chats - Use source citations to trace where an answer came from - Draft follow-up emails, client updates, summaries, and action plans - Dictate questions with voice-to-text SAVE & RESUME RESEARCH - Save open Safari tabs as a session - Add a quick note about what you were working on - Restore your research later from another device or browser - Keep browser sessions, bookmarks, and notes organized by context - Stop losing research when you switch tasks VOICE NOTES - Record voice notes with live transcription - Use Apple’s on-device speech recognition for local recordings - Generate AI summaries from recordings when AI features are enabled - Search voice notes alongside your other captured work HOW IT WORKS 1. Use the Blackmount browser extension to capture AI chats, tabs, bookmarks, and research sessions 2. Save Safari sessions from your iPhone or iPad 3. Add notes or voice recordings when you want extra context 4. Open Blackmount to search, browse, or ask AI about what you captured 5. Resume your work from phone, tablet, browser, or desktop PERFECT FOR - Researchers managing many tabs, sources, and AI conversations - Consultants using AI tools for client work - Students collecting sources and drafts - Developers saving code explanations, docs, and debugging threads - Product managers tracking market and competitor research - Anyone who uses multiple AI tools and wants to find old conversations later WHY BLACKMOUNT - Search across AI chats, browser sessions, bookmarks, notes, and voice recordings - Ask AI questions across the content you captured - Private by default - AI features require explicit consent before data is shared with AI providers - No ads - No selling your data ALSO INCLUDES - Sync across devices - Safari extension for fast tab saves - Share extension from other apps - Dark mode - iPad-optimized layout Free to use. Pro subscription available for unlimited sync and AI credit. Additional AI credit available as an in-app purchase. Terms of Use: https://app.blackmount.ai/terms Privacy Policy: https://app.blackmount.ai/privacy-policy

About

Remosidian

Features
Read full description

Remosidian is a local-first mobile companion for your desktop Markdown vault. Pair your phone with a Mac or host machine once, then browse files, search notes, open Markdown pages, and ask questions with vault context while your notes stay on your own computer. Remosidian is designed for people who use Obsidian-style Markdown vaults and want mobile access without moving their knowledge base into another cloud workspace. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://remosidian.pages.dev/privacy

Screenshots

Blackmount3 screens
Remosidian4 screens

Verdict

The call

The clearest difference is iOS requirement: Remosidian at 15.1 against Blackmount's 17.0. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Blackmount sells 2 in-app purchases, starting at $1.99 per month and Remosidian sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Blackmount ships an update fortnightly, Remosidian every 3 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 8 level
Blackmount versus Remosidian: the parameters behind the verdict, then further details
ParameterBlackmountRemosidian
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size14 MB103 MB
Age rating4+4+
DeveloperBlackmount.ai Inc宜丙 林

In-app purchases

2 purchases

Blackmount

Subscriptions1
  • Blackmount Pro$1.991 Month
One-time1
  • AI Credit$0.99
4 purchases

Remosidian

Subscriptions3
  • Remosidian Pro Monthly7 Days trial$2.991 Month
  • Remosidian Pro Founder Yearly7 Days trial$19.991 Year
  • Remosidian Pro Yearly7 Days trial$24.991 Year
One-time1
  • Remosidian Pro Lifetime$249.99

Questions

Is Blackmount free?
Blackmount is free to download, with in-app purchases available.
Is Remosidian free?
Remosidian is free to download, with in-app purchases available.
Do Blackmount or Remosidian have ads?
Neither Blackmount nor Remosidian shows ads.
Which is updated more often, Blackmount or Remosidian?
Blackmount ships an update fortnightly, and Remosidian every 3 weeks. Most recently, Blackmount was updated on October 31, 2026 and Remosidian on November 5, 2026.

Other comparisons