Best Heurio Alternatives in 2026
Updated
20 apps from web annotation tools ranked against Heurio on the same published basis.
- 1Heurio vs Pastel
- 2Heurio vs Annot8
- 3Heurio vs AnnotateWeb
- 4Heurio vs AnnotationBase
- 5Heurio vs dotts
- 6Heurio vs Huddlekit
- 7Heurio vs Hypothesis
- 8Heurio vs Markify
- 9Heurio vs PinPoint
- 10Heurio vs SiteDots
- 11Heurio vs WebPinch
- 12Heurio vs Ruttl
- 13Heurio vs ArchiveWeb.page
- 14Heurio vs Weava Highlighter
- 15Heurio vs Annot
- 16Heurio vs eMargin
- 17Heurio vs Freemarkup
- 18Heurio vs Leafy
- 19Heurio vs NowComment
- 20Heurio vs Perusall
Heurio alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Pastel | 6.6 | Free plan | $29/mo | Android, API, iOS, Web |
| 2 | Annot8 | 6.4 | Free plan | $8/mo | Web |
| 3 | AnnotateWeb | 6.4 | Free plan | Free | Web |
| 4 | AnnotationBase | 6.4 | Free plan | £8.25/mo | Web |
| 5 | dotts | 6.4 | Free plan | $15/mo | Web |
| 6 | Huddlekit | 6.4 | Free plan | $16/mo | API, Web |
| 7 | Hypothesis | 6.4 | Free plan | Free | API, Browser, Web |
| 8 | Markify | 6.4 | Free plan | $15/mo | Web |
| 9 | PinPoint | 6.4 | Free plan | Free | Web |
| 10 | SiteDots | 6.4 | Free plan | $10/mo | Browser, Web |
| 11 | WebPinch | 6.4 | Free plan | $1,512/mo | Browser, Web |
| 12 | Ruttl | 6.3 | Free plan | $18/mo | API, Web |
| 13 | ArchiveWeb.page | 5.4 | No | — | Windows, Mac, Linux |
| 14 | Weava Highlighter | 5.3 | No | — | Web, iOS |
| 15 | Annot | 5.2 | Free plan | $9/mo | Web |
| 16 | eMargin | 5.2 | No | — | Web |
| 17 | Freemarkup | 5.2 | No | — | Web |
| 18 | Leafy | 5.2 | Free plan | $5,470/mo | Browser, self-hosted |
| 19 | NowComment | 5.2 | No | — | Web |
| 20 | Perusall | 5.2 | No | — | Web |
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Questions about Heurio alternatives
What is the best alternative to Heurio?
Pastel, number 1 in web annotation tools with a score of 6.6 out of 10. The others here: Annot8, AnnotateWeb, AnnotationBase and 16 more.
What is the best free alternative to Heurio?
Pastel is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.