Best Online Encyclopedias in 2026
Updated
31ranked
0free plans on this page
€5.83/molowest paid tier
11 Oct 2026last checked
0 of 3 with known pricing have a free tier;0 apps show full bars: free, open, on most devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | Encyclopedia of Korean Folk CultureWeb | No signal | 1 of 6 | 5.1 | |||
| 27 | World Book OnlineWeb · Android · iPhone | Two bars | No | 3 of 6 | $20.83/mo | 5.1 | |
| 28 | Britannica LibraryWeb | One bar | 1 of 6 | 5.0 | |||
| 29 | BrockhausWeb | One bar | No | 1 of 6 | €5.83/mo | 5.0 | |
| 30 | NationalencyklopedinWeb | One bar | No | 1 of 6 | SEK 49.17/mo | 5.0 | |
| 31 | Britannica KidsWeb | One bar | 1 of 6 | 4.9 |
Compare all 6 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Citation tools | Educator resources |
|---|---|---|---|---|---|---|---|---|
| 26 | Encyclopedia of Korean Folk Culture | 5.1 | Yes | |||||
| 27 | World Book Online | 5.1 | No | $20.83/mo | No | Yes | Yes | |
| 28 | Britannica Library | 5.0 | No | Yes | Yes | |||
| 29 | Brockhaus | 5.0 | No | €5.83/mo | No | Yes | Yes | |
| 30 | Nationalencyklopedin | 5.0 | No | SEK 49.17/mo | No | Yes | Yes | |
| 31 | Britannica Kids | 4.9 | No |