Litmaps vs Opal
Litmaps and Opal are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Litmaps | Opal |
|---|---|---|
| Vendor | Litmaps | Opal |
| Rating | ★ 4.6 | ★ 4.7 |
| Pricing | Freemium | Paid |
| Platforms | Web | iOS |
| Key features | Growing citation maps from seed papers, Discovery of unconnected-but-relevant works, Shared maps for labs | App limits, Deep Focus, iOS Screen Time+ |
| Headquarters | Wellington, New Zealand | USA |
| Founded | 2016 | 2020 |
| Open source | No | No |
Key differences
- Opal has a higher user rating (4.7★ vs 4.6★).
- Litmaps is Freemium, while Opal is Paid.
- Litmaps runs on Web; Opal runs on iOS.
Frequently asked questions
Is Litmaps or Opal better?
By user rating, Opal scores higher (4.7★ vs 4.6★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Litmaps or Opal?
Litmaps is Freemium and Opal is Paid. Check each product page for current plan details.
Are Litmaps and Opal open source?
No — neither Litmaps nor Opal is open source.