What is the difference between Explainpaper and SciSpace?

Explainpaper focuses on Highlight-to-explain and is freemium, while SciSpace specializes in AI copilot for papers and is freemium. Both are AI Research tools.

Is Explainpaper or SciSpace better?

It depends on your needs. Explainpaper excels at Intuitive highlight-and-explain UX, while SciSpace is known for Excellent paper explanations. Compare their features above to decide which fits your workflow.

Explainpaper vs SciSpace

AI Research tools comparison · Updated 2026

Choosing between Explainpaper and SciSpace? Both are popular AI Research tools. Explainpaper starts at Freemium and focuses on Highlight-to-explain. SciSpace starts at Freemium and specializes in AI copilot for papers. Here's a detailed side-by-side comparison to help you decide.

At a Glance

	Explainpaper	SciSpace
Category	AI Research	AI Research
Pricing	freemium	freemium
Starting Price	Freemium	Freemium
Best For	research, education, papers	research, AI-assistant, papers
Features	5 listed	6 listed

Explainpaper

AI that explains confusing research paper text in plain language when you highlight it.

AI Research freemium

Visit Explainpaper → Alternatives

SciSpace

AI copilot for understanding research papers with explanations and literature review tools.

AI Research freemium

Visit SciSpace → Alternatives

Feature Comparison

Explainpaper	SciSpace
✓ Highlight-to-explain	✓ AI copilot for papers
✓ Plain language explanations	✓ Paper explanations
✓ Paper upload	✓ Literature review tool
✓ Follow-up questions	✓ Citation generator
✓ Math equation explanations	✓ Related paper finder
—	✓ Multi-language support

Pricing Comparison

Explainpaper

freemium

Free basic explanations. Plus at $12/month for unlimited explanations and paper uploads.

SciSpace

freemium

Free tier with limited queries. Premium at $12/month for unlimited AI copilot use.

Pros & Cons

Explainpaper

Pros

+ Intuitive highlight-and-explain UX
+ Great for non-experts
+ Handles math and equations
+ Simple interface

Cons

− Limited to explaining, not analyzing
− One paper at a time
− Free tier limited
− Explanations can oversimplify

SciSpace

Pros

+ Excellent paper explanations
+ Good free tier
+ Multi-language support
+ All-in-one platform

Cons

− AI can sometimes misinterpret
− Premium features require subscription
− Search less comprehensive than Semantic Scholar

The Verdict

Both Explainpaper and SciSpace are strong AI Research tools. Explainpaper stands out for Intuitive highlight-and-explain UX, making it ideal if that's your priority. SciSpace excels at Excellent paper explanations, which may be more important for your workflow.