Free AlgoExpert alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 5 AlgoExpert alternatives we track can be used for free (free, open source, or with a free plan). LeetCode, NeetCode and GeeksforGeeks rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	LeetCode	Free plan + paid	—	No	Web, iOS, Android	4 of 4	66.5
2	NeetCode	Free plan + paid	$297 one-time	No	Web	4 of 4	64.8
3	GeeksforGeeks	Free plan + paid	—	No	Web, Android, iOS	4 of 4	61.8
4	CodeChef	Free plan + paid	—	No	Web	4 of 4	57.5

1. LeetCodeTop pick
Best for: Developers preparing for algorithm-heavy technical interviews at tech companies
Free plan + paidWeb, iOS, Android
66.5
score / 100
Why switch from AlgoExpert
The largest interview question bank with company tags, contests and a free tier, used by most candidates.
Pros
Huge problem library with an in-browser judge for many languages
Free weekly and biweekly contests with a public rating
Premium lets you filter questions by the companies that asked them
Cons
Teaches interview puzzles, not how to build real software
Official solutions and many popular questions sit behind Premium
Little guided structure for beginners compared with course-style sites
Visit LeetCode Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is LeetCode a good AlgoExpert alternative?
Verified facts
4 of 4 verified
Languages
C++, Java, Python, JavaScript, Go, Rust and more
Checked Nov 8, 2026support.leetcode.com(opens source in a new tab)
Contests
Weekly and biweekly
Checked Nov 8, 2026support.leetcode.com(opens source in a new tab)
Premium extras
Company-tagged questions and mock interviews
Checked Nov 8, 2026support.leetcode.com(opens source in a new tab)
Premium billing
Monthly or annual
Checked Nov 8, 2026support.leetcode.com(opens source in a new tab)
2. NeetCode
Best for: Interview candidates who want a curated problem order with a video explanation for each
Free plan + paidWeb
64.8
score / 100
Why switch from AlgoExpert
Curated question roadmaps with free video walkthroughs, the closest match to AlgoExpert's teaching style.
Pros
Roadmap puts interview topics in a sensible learning order
Clear video explanation for each listed problem
Lifetime purchase option instead of an ongoing subscription
Cons
Smaller problem set than LeetCode
Courses, system design and AI hints need Pro
Web only, with no mobile app
Visit NeetCode Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is NeetCode a good AlgoExpert alternative?
Verified facts
4 of 4 verified
Lifetime price
$297 one-time
Checked Nov 8, 2026neetcode.io(opens source in a new tab)
One-year price
$119
Checked Nov 8, 2026neetcode.io(opens source in a new tab)
Practice problems
300+
Checked Nov 8, 2026neetcode.io(opens source in a new tab)
Solution languages
8
Checked Nov 8, 2026neetcode.io(opens source in a new tab)
3. GeeksforGeeks
Best for: CS students and job seekers who want free explanations and practice problems for DSA and interviews
Free plan + paidWeb, Android, iOS
61.8
score / 100
Why switch from AlgoExpert
Free articles and practice problems covering data structures, algorithms and company-specific interview questions.
Pros
Free articles on almost every CS and DSA topic you'd be asked in interviews
Company-wise interview experiences and practice problems in one place
Paid courses cover DSA, system design and placements in depth
Cons
Free pages carry a lot of ads unless you pay for Premium
Article quality and accuracy vary between authors
Practice judge is less polished than LeetCode for contest-style problems
Visit GeeksforGeeks Details and reviews
How this score is calculated
Editorial fit ×0.377
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is GeeksforGeeks a good AlgoExpert alternative?
Verified facts
4 of 4 verified
Founded
2008
Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
Registered users
50 million+
Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
Owner
Sanchhaya Education Pvt Ltd
Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
Premium course coverage
50+ technologies
Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
4. CodeChef
Best for: Students moving from learning to code into competitive programming
Free plan + paidWeb
57.5
score / 100
Why switch from AlgoExpert
Free competitive-programming contests and DSA practice paths for sharpening speed under time pressure.
Pros
Courses and contests on one platform
In-browser compiler with no setup
Free practice problems and rated contests
AI mentor for hints
Cons
Premium courses need a Pro subscription
Top-level contests draw fewer elite competitors than Codeforces
Upsell prompts throughout the site
Visit CodeChef Details and reviews
How this score is calculated
Editorial fit ×0.363
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is CodeChef a good AlgoExpert alternative?
Verified facts
4 of 4 verified
Users
5M+ developers
Checked Nov 8, 2026codechef.com(opens source in a new tab)
Online compiler
Yes
Checked Nov 8, 2026codechef.com(opens source in a new tab)
Premium trial
Try premium courses free
Checked Nov 8, 2026codechef.com(opens source in a new tab)
Contests
Global coding contests
Checked Nov 8, 2026codechef.com(opens source in a new tab)

Quick comparison

1. LeetCodeTop pick

Pros

Cons

Verified facts

2. NeetCode

Pros

Cons

Verified facts

3. GeeksforGeeks

Pros

Cons

Verified facts

4. CodeChef

Pros

Cons

Verified facts