fastwrite vs Undermind vs ScienceOS vs SciSpace

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
fastwrite
vs
Competitor 1
Undermind
Competitor 2
ScienceOS
Competitor 3
SciSpace
Compare
4 tools · best value per row highlighted
Your tool fastwrite
fastwrite.io
Academic writing means juggling sources while trying to sound original
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Competitor Undermind
undermind.ai
Undermind is an AI co-researcher for scientific literature.
Make main Remove
Competitor ScienceOS
scienceos.ai
Researchers waste hours hunting through literature—piecing together fragments from different papers
Make main Remove
Competitor SciSpace
scispace.com
Make sense of research papers
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
2.2Kvisits/mo
—
64.9Kvisits/mo
44.2Kvisits/mo
MoM change
▲ 200.8%
—
▼ 6.2%
▼ 98.8%
6-month growth
-38.3%
—
+1.2%
-99.2%
Global rank web
#5,936,435
—
#464,304
#17,447
Avg. last 3 months
1.4K
—
68.2K
2.7M
Bounce rate lower is better
19%
—
39%
56%
Pages / visit
3.0
—
3.7
2.5
Visit duration
2m 40s
—
1m 37s
2m 13s
Traffic sources
—
—
● Direct 98% · ● Mail 2%
● Direct 83% · ● Referral 15%
fastwriteUndermindScienceOSSciSpace
01.5M2.9M4.4M5.9Mfastwrite · 3.8Kfastwrite · 12.3Kfastwrite · 4.4Kfastwrite · 3.6Kfastwrite · 5.4Kfastwrite · 1.5Kfastwrite · 1.2Kfastwrite · 732fastwrite · 2.2KScienceOS · 79.4KScienceOS · 75.1KScienceOS · 79.7KScienceOS · 64.1KScienceOS · 64.5KScienceOS · 56.4KScienceOS · 70.5KScienceOS · 69.2KScienceOS · 64.9KSciSpace · 5.9MSciSpace · 5MSciSpace · 4.8MSciSpace · 5.1MSciSpace · 5.8MSciSpace · 5.6MSciSpace · 5MSciSpace · 4.2MSciSpace · 3.8MSciSpace · 44.2K1001K10K100K1M10Mfastwrite · 3.8Kfastwrite · 12.3Kfastwrite · 4.4Kfastwrite · 3.6Kfastwrite · 5.4Kfastwrite · 1.5Kfastwrite · 1.2Kfastwrite · 732fastwrite · 2.2KScienceOS · 79.4KScienceOS · 75.1KScienceOS · 79.7KScienceOS · 64.1KScienceOS · 64.5KScienceOS · 56.4KScienceOS · 70.5KScienceOS · 69.2KScienceOS · 64.9KSciSpace · 5.9MSciSpace · 5MSciSpace · 4.8MSciSpace · 5.1MSciSpace · 5.8MSciSpace · 5.6MSciSpace · 5MSciSpace · 4.2MSciSpace · 3.8MSciSpace · 44.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
€22per month · free tier available
$15per month · free tier available
€7.25per month · free tier available
$20per month · free tier available
Free tier
Free trial
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API access
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Plans
Free FreePremium €22/moUltimate €35/mo
Free FreePro $16/moTeam $15/moEnterprise Custom
Free FreeAngel €7.25/moTeam €6/moInstitution Custom
Free FreePremium $20/moAdvanced $90/moMax $200/mo+1 more
Capabilities input → output
Input
DocumentsText
Text
DocumentsText
DocumentsText
Output
Text
DataText
DataText
DataText
Skill level
Beginner-friendly
Intermediate
Intermediate
Beginner-friendly
Categories
Productivity & OfficeResearch & AnalyticsWriting & ContentAI Essay Writer+3 more
Research & AnalyticsAI Research PapersAI Research Tool
Research & AnalyticsAI Research PapersAI Research Tool
Productivity & OfficeResearch & AnalyticsAI PDFAI Research Papers+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
8
11
8
12
Research
Research papers
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Citations
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Research papers analysis
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Academic research
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Literature reviews
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Research assistance
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Literature analysis
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Scientific literature exploration
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Academic citation
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PDF analysis
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PDFs
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Scientific writing
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Academic writing
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Scientific q a
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Essay feedback
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Paraphrasing
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Research papers drafting
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Scientific research
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Network diagrams
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Research trends tracking
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.