Originally published on LeetCopilot Blog
One costs $199/year, the other $99 once. Choosing wrong wastes your money and prep time. See which fits your learning style before you pay.
AlgoExpert and AlgoMonster are two of the most popular paid platforms for coding interview preparation. Both focus on quality over quantity—but they take very different approaches.
AlgoExpert provides ~160 curated problems with detailed video explanations for each.
AlgoMonster teaches ~48 coding patterns through interactive text and diagrams.
Which is right for you? This comprehensive comparison breaks down features, pricing, pros, cons, and helps you decide.
TL;DR: AlgoExpert vs AlgoMonster
| Feature | AlgoExpert | AlgoMonster |
|---|---|---|
| Approach | Video walkthroughs | Pattern-based text |
| Problems | ~160 curated | ~230 lessons |
| Learning Style | Visual (videos) | Reading (interactive text) |
| Pricing | ~$99-199/year | ~$89/yr or $99-150 lifetime |
| System Design | SystemsExpert (separate) | Limited |
| Best For | Video learners | Pattern learners |
What Is AlgoExpert?
AlgoExpert is a video-focused interview prep platform with a curated set of ~160 problems, each accompanied by detailed video explanations.
Key Features
- 160+ Curated Problems: Hand-picked for interview relevance
- Video Explanations: 70+ hours of video content
- Data Structures Crash Course: Learn fundamentals
- Mock Assessments: Simulate real interviews
- 9 Languages: Python, Java, C++, JavaScript, etc.
- SystemsExpert: Separate system design course
Pricing
- AlgoExpert: ~$99-199/year
- AlgoExpert + SystemsExpert: ~$159-299
What Is AlgoMonster?
AlgoMonster is a pattern-based learning platform created by ex-Google engineers. It focuses on teaching reusable patterns that solve entire categories of problems.
Key Features
- 48 Coding Patterns: Two Pointers, Sliding Window, DP, etc.
- 231 Lessons & Problems: Organized by pattern
- 700+ Illustrations: Diagrams and flowcharts
- Interactive Text: No videos—learn by reading
- Speedrun Mode: Quick pattern review
- AI-Powered Tools: Q&A and debugging assistance
- Job Guarantee: Promise of at least one offer
Pricing
- Annual: ~$89/year
- Lifetime: ~$99-150 (frequently on sale)
Head-to-Head Comparison
Learning Approach
| AlgoExpert | AlgoMonster | |
|---|---|---|
| Format | Video walkthroughs | Interactive text + diagrams |
| Philosophy | "Watch me solve, then try" | "Learn patterns, apply anywhere" |
| Depth per Problem | Deep (each has video) | Deep (pattern context) |
AlgoExpert approach: Watch a video explanation for each problem, understand the thought process, then practice.
AlgoMonster approach: Learn a pattern template, understand when to apply it, then practice variations.
Content Quality
| AlgoExpert | AlgoMonster | |
|---|---|---|
| Problems | ~160 | ~230 lessons |
| Patterns Covered | Implicit | 48 explicit patterns |
| Visualizations | In videos | 700+ static diagrams |
| AI Tools | No | Yes |
AlgoExpert wins for video quality—every problem has a polished walkthrough.
AlgoMonster wins for pattern organization—48 explicit patterns with templates.
Learning Style Fit
| AlgoExpert | AlgoMonster | |
|---|---|---|
| Best For | Visual/auditory learners | Readers/kinesthetic learners |
| Pace | Watch at 1x-2x speed | Read at your own pace |
| Review | Re-watch videos | Skim/search text |
Choose AlgoExpert if: You learn best by watching someone explain concepts step-by-step.
Choose AlgoMonster if: You prefer reading, hands-on coding, and quick reference.
Pricing Comparison
| Plan | AlgoExpert | AlgoMonster |
|---|---|---|
| Annual | ~$99-199 | ~$89 |
| Lifetime | N/A | ~$99-150 |
| With System Design | ~$159-299 | Limited included |
AlgoMonster is significantly cheaper with lifetime access often under $150.
AlgoExpert requires recurring payments unless you commit to the annual plan.
System Design
| AlgoExpert | AlgoMonster | |
|---|---|---|
| Coverage | SystemsExpert (separate) | Limited |
| Price | Extra ~$60-100 | Included (basic) |
| Quality | Good | Basic |
AlgoExpert wins for system design with its dedicated SystemsExpert course.
AlgoMonster has some system design content but it's not comprehensive for senior roles.
Pros and Cons
AlgoExpert Pros
- ✅ High-quality videos — Polished explanations for every problem
- ✅ Curated problem set — 160+ essential problems
- ✅ Mock assessments — Practice under interview conditions
- ✅ SystemsExpert available — System design coverage
- ✅ Clean UI — Polished, professional interface
AlgoExpert Cons
- ❌ Expensive — $99-199/year with no lifetime option
- ❌ Smaller problem set — Only ~160 problems
- ❌ Videos only in Python — Other languages have code, not video
- ❌ No AI tools — Missing modern AI assistance
- ❌ Pattern implicit — Patterns not explicitly organized
AlgoMonster Pros
- ✅ Pattern-based learning — Explicit 48 patterns with templates
- ✅ Affordable lifetime — $99-150 one-time payment
- ✅ Interactive text — Faster to reference than videos
- ✅ 700+ illustrations — Great visual aids
- ✅ AI-powered tools — Q&A and debugging
- ✅ Job guarantee — Promise of at least one offer
- ✅ Speedrun mode — Quick review before interviews
AlgoMonster Cons
- ❌ No videos — Text-only explanations
- ❌ Limited system design — Need other resources for senior roles
- ❌ Smaller community — Less active than bigger platforms
- ❌ Text-heavy — Not for video learners
What Users Say
On AlgoExpert:
"The video explanations are fantastic. I understood DP for the first time."
"Clean interface, but expensive. NeetCode's free videos cover similar ground."
"$199/year adds up. I wish there was a lifetime option."
On AlgoMonster:
"The pattern-based approach finally made things click. Worth every penny."
"Love the speedrun mode for quick review before interviews."
"No videos, but the diagrams and templates are excellent."
When to Choose AlgoExpert
Choose AlgoExpert if you:
- Are a visual/auditory learner
- Want video walkthroughs for every problem
- Need system design (SystemsExpert bundle)
- Prefer watching over reading
- Don't mind annual subscription
Recommended Path:
- Complete AlgoExpert problems with videos
- Practice on LeetCode
- Use LeetCopilot for hints when stuck
When to Choose AlgoMonster
Choose AlgoMonster if you:
- Are a reader who prefers text
- Want to learn explicit patterns
- Prefer affordable lifetime access
- Like interactive, hands-on learning
- Have limited time (4-8 weeks)
Recommended Path:
- Complete AlgoMonster pattern curriculum
- Practice on LeetCode
- Use LeetCopilot for AI hints
- Add Educative for system design (if needed)
Comparison Table
| Feature | AlgoExpert | AlgoMonster |
|---|---|---|
| Format | Videos | Text + diagrams |
| Problems | ~160 | ~230 |
| Patterns | Implicit | 48 explicit |
| Pricing | $99-199/yr | $89/yr or $99-150 lifetime |
| System Design | SystemsExpert | Limited |
| AI Tools | No | Yes |
| Best For | Video learners | Pattern learners |
FAQ
Which is better for beginners?
Both are beginner-friendly. AlgoExpert if you need video guidance. AlgoMonster if you prefer structured text.
Which is better for experienced engineers?
AlgoMonster—faster to review patterns. AlgoExpert is more hand-holding.
Which has better value?
AlgoMonster—lifetime access at ~$99-150 vs. recurring $99-199/year.
Can I use both?
Technically yes, but there's significant overlap. Pick one and supplement with LeetCode.
Verdict: Which Should You Choose?
Choose AlgoExpert if:
- You're a video learner
- You need system design (bundle)
- You prefer watching explanations
Choose AlgoMonster if:
- You're a reader/text learner
- You want explicit patterns
- You want lifetime access
- You have limited time
For 2025: AlgoMonster is generally the more cost-effective choice with its pattern-based approach and lifetime pricing. AlgoExpert remains excellent for video learners willing to pay more.
Pair either with LeetCopilot + LeetCode for maximum prep effectiveness.
Good luck!
If you're looking for an AI assistant to help you master LeetCode patterns and prepare for coding interviews, check out LeetCopilot.
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