Best Science Apps for K-2 (2026)
Top-ranked science apps to spark curiosity in kindergarten through 2nd grade students.
Our top picks
- 1. BrainPOP- Best overall
- 2. Khan Academy Kids- Best free
- 3. ABCmouse- Best curriculum
- 4. Starfall- Best for beginners
- 5. Epic!- Best reading + science
- 6. Education.com- Best worksheets
† Pricing note: Prices are checked against each vendor's official website or help center at the time of writing, but vendors change plans and prices at any time. Always confirm current pricing on the vendor's own site before purchasing. How we review and verify →
Khan Academy Kids
Best freeKhan Academy Kids offers free, comprehensive early learning content covering reading, math, and more for children ages 2-8.
Pros
- Completely free
- Comprehensive curriculum
- No ads
Cons
- Only goes to age 8
- Not specialized for spelling
- No web version
ABCmouse
Best curriculumABCmouse offers a full early learning curriculum with thousands of activities for children ages 2-8.
Pros
- Comprehensive curriculum
- Engaging content
- Progress tracking
Cons
- Only to age 8
Starfall
Best for beginnersStarfall teaches reading through systematic phonics with engaging activities for Pre-K through 5th grade.
Pros
- Affordable
- Good for early readers
- Systematic phonics approach
Cons
- Limited for older students
- Dated interface
Epic!
Best reading + scienceEpic! provides access to a library of 40,000+ children's books, audiobooks, and educational videos. $84.99/year or $13.99/month.
Pros
- 40,000+ books from quality publishers
- Read-To-Me and audiobooks
- Offline reading available
Cons
- Free tier very limited (1 book/day)
- Price increased recently
- Not spelling-focused
Education.com
Best worksheetsEducation.com offers thousands of worksheets, printables, and learning activities for Pre-K through 8th grade.
Pros
- Huge worksheet library
- Printable resources
- Good for homeschool
Cons
- Web only
- Expensive
Frequently asked questions
What is the best free science app for K-2?
Khan Academy Kids is completely free with no ads or in-app purchases. It includes science activities covering life science, earth science, and simple experiments for children ages 2-8.
Are science apps effective for kindergartners?
Yes, research shows that interactive science apps can build curiosity and foundational STEM skills in young learners. The best apps use hands-on virtual experiments, animated explanations, and age-appropriate vocabulary to make science concepts accessible.
Can these apps replace science class?
These apps work best as supplements to hands-on classroom or homeschool science instruction. They reinforce concepts through videos, quizzes, and interactive activities, but children still benefit from real-world experiments and observations.
How much screen time should K-2 students spend on science apps?
The American Academy of Pediatrics recommends limiting screen time to 1 hour per day for children ages 2-5. For K-2 students, 15-20 minute science app sessions are ideal for maintaining focus and maximizing learning.
Our Verdict
BrainPOP is our top pick for K-2 science thanks to its engaging animated videos and built-in quizzes that make complex topics approachable for young learners.
If budget is a concern, Khan Academy Kids delivers excellent free science content with no ads or subscriptions required.
About the Author
SpellingJoy Team
The SpellingJoy team is dedicated to creating free, high-quality spelling resources for K-6 students and their families. We test every app we review and provide honest assessments to help parents make informed decisions.