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Truessay vs Opsis

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Truessay compared with Opsis
DetailTruessay logo TruessayOpsis logo Opsis
What it doesAI research assistant that grounds every claim in real, peer-reviewed citations Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
StageNot given Startup
FoundedNot given 2026
Based inUS AU
Pricing modelFreemium Freemium
PricingStudent plan: $9.99/month (verified academic email); Pro annual: $12.99/month billed annually ($155.88 once a year); Pro monthly: $25.99/month. Citation Finder is free. Not given
Key features
  • Search-first methodology across 200M+ peer-reviewed academic papers
  • Verifiable DOIs on every citation
  • Transparent paper list per draft
  • Multi-language drafting in 11 languages including Arabic RTL
  • Support for APA, MLA, Chicago, Harvard, IEEE citation styles
  • Export to DOCX, Markdown, and LaTeX formats
  • Live retrieval across 200M+ academic papers
  • Real-time access to latest research
  • Intent Analysis and Deep Scholarly Query
  • Autocomplete with Tab to accept drafts
  • Error detection and fact-checking
  • Cross-app integration
  • Source attribution for every suggestion
  • Context-aware AI assistance
  • One-click pause and privacy control
  • Encrypted data storage
  • Read-only app connections
  • Natural writing style matching
What makes it different
  • Uses search-first methodology to query live academic databases before writing, avoiding hallucinated citations
  • Every citation includes a clickable DOI link for immediate verification
  • Supports 11 languages with automatic citation formatting across different language styles
  • Designed specifically for academic integrity with transparent source auditing
  • Exports ready-to-submit documents with formatted citations in multiple styles
  • Finishes sentences from your actual work history and connected files, not generic AI
  • Shows source for every suggestion so you can verify it before accepting
  • Catches mistakes and contradictions between what you're writing and your work history
  • Works inline in the apps you already use without installation
  • You stay the author with full control over what gets written
Community votes00
DR (Domain Rating by Ahrefs)15 +1 (up) since last check4 no change since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)1212
Referring domains (Majestic)921

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