Products

LeetSys

Uses AI

Practice System Design Before The Interview.

leetsys.dev HR & Careers / Interview Preparation

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Sep 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
$25/mo
Higher than 70% of peersNiche median $13.125/mo
Creators
Leetsys
@leetsys· 277 followers
Launched
17mo ago
2025-06-21 · Est.

Traffic

Monthly visitsData through Sep 2026 · Oct 2026 pending
Events18 changes

Marketing moves

Launches, search & content, referrals, promotions
X accounts@leetsys

  • Launched on Product HuntLaunch

    Leetcode for System Design

    Aug 2, 2025 · 16mo agoLaunch page

  • Launched on Show HN (3 pts · 2 comments)Launch

    LeetCode for System Design? — I built a free platform for practicing system design interviews!: . The currently available problems will always be listed as free! It let…

    Jun 21, 2025 · 17mo agoLaunch page

Third-party reviews & case dossiers

Acquisition breakdowns, engineer reviews & open-source metrics
Show HN
2025-06-21Source
Post excerpt:
I built a free platform for practicing system design interviews!: https://leetsys.dev . The currently available problems will always be listed as free! It lets you chat with an interviewer in real time as you work through a system design problem. It also gives you detailed feedback at the end of the interview that you can use to assess your performance and s

Traffic sources

Sep 2026

Traffic breakdown

Channels

  • Organic Search38%
  • Direct30%
  • Referrals10%
  • Social5%
  • Other16%

Countries

  • United States100%

Search

Domain authority —Domain registered 2025-06-16

KeywordMonthly volume
leetsilicon1,380
system design practice platform470
leetdezine system design50
leetsys40

Traffic data: Vaneform

Pricing

One Interview
$4.99/once
1 Interview, Chat or Voice, up to 60 Minutes · No Additional Focused Drills
Five Interviews
$19.99/once
5 Interviews, Chat or Voice, up to 60 Minutes Each · No Additional Focused Drills
Pro Membership
$25/mo
Unlimited chat and voice · Up to 10 New Focused Drills per Day

Trial: None · 3 paid tiers ($4.99–$25) · Observed 2026-11-03 · Pricing page

Entry price $25/mo, Higher than 70% of peers; “Interview Preparation” median is $13.125/mo.View pricing benchmark

Pages & changes

Tracked since 2025-08-02

Key pages

Weekly snapshots

Changes

  1. Nov 1 · 13d ago

    Homepage headline (H1) changed to “Practice System Design Before The Interview.”Positioning

    LeetSys→Practice System Design Before The Interview.

  2. Nov 1 · 13d ago

    Removed technology: Google AnalyticsFeatures

    Google Analytics→—

  3. Nov 1 · 13d ago

    Removed technology: Google CloudFeatures

    Google Cloud→—

  4. Nov 1 · 13d ago

    Removed technology: Google Cloud CDNFeatures

    Google Cloud CDN→—

  5. Nov 1 · 13d ago

    Removed technology: Google Font APIFeatures

    Google Font API→—

  6. Nov 1 · 13d ago

    Removed technology: Google Sign-inFeatures

    Google Sign-in→—

Questions & evidence

How much does LeetSys cost?
One Interview: $4.99/once; Five Interviews: $19.99/once; Pro Membership: $25/mo. Observed 2026-11-03. Check the source for current billing terms, usage limits and taxes.Source
How much website traffic does LeetSys get?
Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is LeetSys and what platforms does it support?
LeetSys is catalogued under Interview Preparation: Practice System Design Before The Interview.. Supported platforms: Web.

Related products in this category

HR & Careers / Interview Preparation

These products share a catalog category. Compare customer tasks, features and deployment requirements before treating them as alternatives.