Proofig AI vs Liminary
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Proofig AI starts at $99 one-time and Liminary starts at $29/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Manipulation detection
- Duplication and reuse detection
- AI-generated image detection
- PubMed source plagiarism check
- Private self-plagiarism database
- Octym manuscript review
- One-click web capture
- Proactive resurfacing while writing
- Fact-check and gap detection
- Magnet meeting assistant
- Project watchlists
| Feature | Proofig AI | Liminary |
|---|---|---|
| Best for | Checks scientific papers for image manipulation and reuse | Research memory that saves sources and brings them back when you need them |
| Category | Research & search | Research & search |
| Pricing model | Paid | Freemium |
| Starting price | $99 one-time | $29/mo |
| Free plan | No | Yes |
| Made by | Proofig | Liminary |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Proofig AI starts at $99 one-time and Liminary starts at $29/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Starter
$99 one-time
- 3 submissions
- One paper with revisions
- Valid 12 months
Growth
$249 one-time
- 8 submissions
- A year of submissions
- Valid 12 months
Pro
$399 one-time
- 14 submissions
- Several papers a year
- Valid 12 months
Pro Plus
$549 one-time
- 22 submissions
- For prolific authors
- Valid 12 months
Multi-User and Enterprise
Contact sales
- Central user management
- SSO, REST API and integrations
- Private database
3 plans
Explorer
Free
- 200 saved documents
- 10 local uploads per day
- Full capture-to-creation flow
Pro
$29/mo
- 10,000 saved sources
- Fact-check and gap detection
- Unlimited Magnet meetings
- Model selection
Team
$50/mo
- Per user
- Unlimited sources and uploads
- Shared team knowledge base
- Drive and Granola integrations
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Proofig AI
- Covers manipulation, duplication and AI images
- Accepts PDF, Word and image files
- Submissions are not used to train models
- Individual packages are limited to 3 to 22 submissions
- Packages expire after 12 months
- Aimed at research, not general image checks
Liminary
- Every answer links to its source
- Finds material before you search
- Data is not used for training
- Free plan capped at 200 saved items
- Team plan costs $50 per user
- Integrations limited to the Team plan
Which one should you choose?
Choose Proofig AI if you want:
- Covers manipulation, duplication and AI images
- Accepts PDF, Word and image files
- Submissions are not used to train models
Watch out: individual packages are limited to 3 to 22 submissions.
Choose Liminary if you want:
- Every answer links to its source
- Finds material before you search
- Data is not used for training
Watch out: free plan capped at 200 saved items.
Proofig AI vs Liminary FAQ
What is the difference between Proofig AI and Liminary?
Proofig AI: Checks scientific papers for image manipulation and reuse. Liminary: Research memory that saves sources and brings them back when you need them. Both are research & search tools.
Is Proofig AI or Liminary cheaper?
Proofig AI starts at $99 one-time and Liminary starts at $29/mo. Check both pricing pages for current plans.
Do Proofig AI and Liminary have free plans?
Proofig AI: No. Liminary: Yes.
Who makes Proofig AI?
Proofig AI is made by Proofig.
Who makes Liminary?
Liminary is made by Liminary.
Which should I choose, Proofig AI or Liminary?
Choose Proofig AI if you value covers manipulation, duplication and ai images and accepts pdf, word and image files. Choose Liminary if you value every answer links to its source and finds material before you search.