Decktly vs Kalender Sync: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of Decktly and Kalender Sync — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
Decktly
Hannes Krieg
Decktly is a PowerPoint-style editor for HTML presentations, letting you edit AI-generated decks by hand, add charts and comments, and present locally.
Key features
- PowerPoint-Style HTML Editing: Edit text, fonts, sizes, colours and emphasis and move, resize and align objects directly on an HTML deck.
- Editable Interactive Charts: Add charts, edit their data and styling in a chart menu, and keep toggles and filters interactive during presentations.
- Tables, Shapes & Images: Build comparison tables, format cells and fills, and add arrows, shapes, labels and images where they sit on the slide.
- Slide Masters: Choose a master when creating a deck and reuse its layouts, colours and fonts for consistent new slides.
- In-File Comments: Leave comments and replies beside text or charts, stored inside the HTML file for continued review.
- Present & Share as HTML: Switch to full-screen presenting from the editor and save as HTML that opens in any browser without converting to PowerPoint.
- Optional BYO AI Assistance: Desktop app connects to Claude or Codex via your own subscription to help with the open deck, then you keep editing by hand.
- Local-First File Handling: Manual editing happens locally without uploading the deck to Decktly; runs on Windows, Apple Silicon Mac and desktop Chrome/Edge.
Best for
- Polishing AI-Generated Decks: Fix wording and layout in an HTML presentation produced by Claude or ChatGPT without another prompt round.
- Data-Driven Presentations: Build interactive charts audiences can filter during a live presentation.
- Team Deck Reviews: Collect comments and replies inside the HTML file while iterating on a pitch or report.
- Consistent Company Decks: Use slide masters to keep new slides on-brand as a presentation grows.
- Browser-Based Sharing: Share a deck as a single HTML file anyone can open in a browser, with interactivity intact.
- Private Presentation Editing: Edit confidential decks locally without uploading them to a cloud service.
Kalender Sync
PPJ Venture Labs UG
GDPR-compliant calendar sync that links Outlook, Google, iCloud and more, and lets Claude, ChatGPT or other agents manage your calendars via MCP.
Key features
- Multi-Provider Calendar Sync: Connects Outlook, Google, Apple iCloud, GMX, WEB.DE, mailbox.org, kSuite, Posteo and STRATO calendars in real time, one-way or two-way.
- Visibility Levels: Choose per sync whether the target sees busy only, title and time, or full event details.
- AI Assistant Access via MCP: Remote MCP server lets Claude, ChatGPT, Codex, Cursor, Grok and OpenClaw read and manage your calendars.
- Agent-Driven Setup: Ask your connected AI agent to create syncs, find free time across calendars and schedule events.
- Per-Calendar Permissions: Grant AI access calendar by calendar, with optional write access and an access log.
- Calendar Sharing: Share a calendar with another person without exposing the underlying account.
- Credit-Based AI Usage: Monthly AI credits cover event searches, availability checks and event edits, with optional top-ups.
- GDPR Compliance: Hosted in Germany with data-protection-focused design.
Best for
- A freelancer mirrors client calendars into one personal calendar while hiding event details behind busy blocks.
- A manager with several roles keeps Outlook, Google and iCloud calendars synchronized to avoid double bookings.
- A tax advisor lets Claude find free slots across work and private calendars and book appointments.
- A coach shares availability with clients without giving access to the full calendar.
- A developer connects Claude Code or Cursor to their calendar through MCP to plan the week.
- An interim manager with multiple companies consolidates every company calendar into a single view.