Research-backed prompting techniques from arXiv, rated for practical value
Native AI writing assistant for Mac and Windows
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Pricing model
Freemium
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Monthly subscription €8/month or annual subscription €75/year (€6.25/month with 22% savings). Both plans include full access to all features: unlimited devices, unlimited AI requests, multi-language support, works in any app, and 30 days money back guarantee.
Key features
715 published prompting techniques scored 80+ for practical value
Scores based on practitioner applicability, evidence strength, effect size, and novelty
Copy-paste prompts for ChatGPT, Claude, and Gemini
Links to original arXiv papers for every technique
Weekly newsletter with top techniques every Sunday
Four views per technique: breakdown, plain language, digest, and role-based guides
Browsable catalog organized by technique type and publication month
No account required to access all pages and techniques
Lab score range 80-97 indicates technique quality and applicability
Grammar and spelling correction with AI-powered suggestions
Instant translation to and from any language
Tone adjustment from casual to professional, friendly, or persuasive
Text summarization into bullet points
Smart rephrasing for clarity and flow
Custom prompts with keyboard shortcuts
BYOK support with OpenRouter integration
Works in any application without tab switching
Multi-language interface support
GDPR compliant with EU data centers
What makes it different
Transparent scoring methodology with links to original papers for verification
Techniques tested across multiple models and use cases to confirm practical transferability
Native desktop application that works everywhere without browser dependency or tab switching
Privacy-first architecture with zero data storage or processing of user texts
Highly customizable with custom prompts and hotkeys for personalized workflows
Contextually accurate translations that preserve meaning, not just words
All-in-one tool covering grammar, translation, content generation, and tone adjustment
PromptLabster
Pismo