Best of 2026

The best AI biology solvers

Almost every homework app now says it uses AI. Here's how the main options compare when the question in front of you is biology.

We make SnapBio, so we're biased. We've tried to be fair: each entry says who it's best for, including when that isn't us. Facts about other apps come from their official websites and public listings and were checked October 2026.

How we chose

Explains, not just answersShort steps you can follow and repeat in an exam
Biology focusCorrect terminology and processes
Reads photos wellHandles worksheets, textbooks and diagrams
Fair pricingA usable free tier and clear paid plans

What matters to you?

1

SnapBioOur app

Best for: Biology explanations you can follow

SnapBio is built only for biology. Every answer has the same structure: the answer, your question, then numbered steps. If it doesn't click, ask for a simpler explanation (Pro).

  • Biology-specific
  • Consistent step-by-step layout
  • 3 free solves a day
  • iPhone only
Price: Free; Pro in-appPlatforms: iPhone
2

ChatGPT

Best for: Open-ended follow-up questions

ChatGPT accepts question photos and follow-up questions. Its study mode can guide your thinking and generate practice questions; provide your course level and check the reasoning against your notes.

  • Very flexible
  • Free plan
  • General purpose
  • Output format varies
Price: Free plan; Go is $8/month and Plus is $20/month at published US website prices; local and app billing can differPlatforms: Web, iOS, Android, desktop

SnapBio vs ChatGPT

3

Gauth

Best for: Maths and science together

A capable photo solver, strongest in maths, that also takes on science questions.

  • Strong at maths
  • Multi-platform
  • Not biology-focused
Price: $11.99/month or $99.99/year for Gauth PlusPlatforms: Web, iOS, Android

SnapBio vs Gauth

4

Brainly

Best for: AI plus community backup

Brainly pairs AI answers with a community archive and paid tutors, so there's a person to ask if the AI misses.

  • Community archive
  • All subjects
  • Ads on the free tier
  • Answer quality varies
Price: $9.99/month or $39.99/year for Brainly PlusPlatforms: Web, iOS, Android

SnapBio vs Brainly

5

Google Lens

Best for: Free quick checks

Free and instant. Good for checking a fact. Less good at walking you through a multi-step biology question.

  • Free
  • Mostly search results
Price: FreePlatforms: Android, iOS (Google app), Chrome

SnapBio vs Google Lens

6

Chegg

Best for: AI plus human experts

Chegg combines AI answers with its expert Q&A and textbook solutions, which suits college students on standard textbooks.

  • Human experts
  • Textbook solutions
  • Paid only
  • Not biology-specific
Price: $15.99/month for Chegg StudyPlatforms: Web, iOS, Android

SnapBio vs Chegg

FAQ

Can AI solve biology questions accurately?

Modern AI gets most homework-level biology questions right, but it can make mistakes. Use the explanation to check the reasoning, and compare it with your notes or textbook.

What is the best free AI biology solver?

SnapBio gives three free biology solves a day with step-by-step explanations. Google Lens and ChatGPT's free plan are general free options.

Make your next biology question click.

Snap a question and see the steps. Three free solves every day.

Download SnapBio on the App Store