Free
Small daily checks for trying DOI lookup and basic reference verification.
USD 0.00/month
- 50 references/month
- 10 references/batch
- 3 saved projects
Pricing
Simple plans with clear limits.
Start with small checks, then upgrade for larger bibliographies, advanced exports, projects, and team workflows. Institution plans are tailored for academic organizations and do not display public pricing.
Starter
For small projects, saved history, CSV and JSON exports.
USD 9.00/month
- 250 references/month
- 50 references/batch
- 20 saved projects
Pro
For thesis, journal, and editor workflows with advanced exports.
USD 29.00/month
- 2000 references/month
- 300 references/batch
- Unlimited saved projects
Team
Shared workspace and high monthly volume for teams.
USD 99.00/month
- 10000 references/month
- 1000 references/batch
- Unlimited saved projects
Institution
For universities, journals, and research organizations.
Contact salesFull comparison
Compare limits and export support
Use the cards for quick plan selection. Use the table below when you need exact limits or export availability.
| Feature | Free | Starter | Pro | Team | Institution |
|---|---|---|---|---|---|
| Monthly price | USD 0.00 | USD 9.00 | USD 29.00 | USD 99.00 | Custom |
| Yearly price | USD 0.00 | USD 90.00 | USD 290.00 | USD 990.00 | Custom |
| Single checks per day | 5 | 25 | 100 | 500 | Unlimited |
| Batches per day | 1 | 5 | 20 | 100 | Unlimited |
| References per month | 50 | 250 | 2,000 | 10,000 | Unlimited |
| References per batch | 10 | 50 | 300 | 1,000 | Unlimited |
| Saved projects | 3 | 20 | Unlimited | Unlimited | Unlimited |
| Team members | 1 | 1 | 1 | 10 | Unlimited |
| TXT export | ✓ | ✓ | ✓ | ✓ | ✓ |
| CSV export | — | ✓ | ✓ | ✓ | ✓ |
| JSON export | — | ✓ | ✓ | ✓ | ✓ |
| PDF export | — | — | ✓ | ✓ | ✓ |
| DOCX export | — | — | ✓ | ✓ | ✓ |
| BibTeX export | — | — | ✓ | ✓ | ✓ |
| RIS export | — | — | ✓ | ✓ | ✓ |
| CSL JSON export | — | — | ✓ | ✓ | ✓ |
Need only a few checks?
The free plan is best for occasional DOI lookup, testing the interface, and validating small reference lists.
Working on a thesis or manuscript?
Starter and Pro provide larger monthly quotas, saved project history, and structured export options.
Managing teams or institutions?
Team and Institution plans support higher volume, more users, and more complete review workflows.