$5/month
$9/month
$19/month
| Free | Basic $5/month |
Standard $9/month |
Premium $19/month |
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| included storage space | 30 MB | 250 MB | 500 MB | 2000 MB |
| unlimited wiki notebooks | |
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| friendly email support | |
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| multi-user collaboration | |
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| wiki access control | |
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