Comparison

Codeclock vs LeetCode

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Codeclock

This app helps competitive programmers track coding contests from major platforms. It provides a comprehensive schedule, allows users to set reminders, and integrates with their device's calendar to prevent missed events.

Highlights
  • Comprehensive contest schedule
  • Support for major platforms (Codechef, Codeforces, LeetCode)
  • Set contest reminders
  • Add contests to device calendar
  • User-friendly interface
Read full description

The ultimate competitive programming app! Stay on top of all the action with our comprehensive schedule of all coding contests happening on the biggest websites such as Codechef, Codeforces, LeetCode, and more. Codeclock is the ultimate tool for competitive programmers looking to stay ahead of the game. With our comprehensive schedule of coding contests happening on the biggest websites like Codechef, Codeforces, LeetCode, and more, you'll never miss an important event again. Our user-friendly interface makes it easy to browse upcoming contests and set reminders, so you can stay on track and always be prepared. Plus, you can even add contests directly to your calendar app, so you're always up to date. Whether you're a seasoned pro or just starting out, Codeclock has everything you need to take your coding skills to the next level. So why wait? Download Codeclock today and start dominating the world of competitive programming!With Codeclock, you'll never miss a coding challenge again. Our user-friendly interface makes it easy to browse through all upcoming contests and set reminders so you can stay on track. You can even add contests directly to your calendar app, so you never forget about an important event

About

LeetCode

Practice coding challenges and prepare for technical interviews on the go. Discover company-specific questions, manage your practice lists, and track your progress. Stay updated with contests and daily quests to improve your skills.

Highlights
  • Search and discover company questions
  • Practice coding challenges
  • Manage practice lists
  • Track personal progress
  • Contest registration and calendar sync
  • Daily challenges and quests
Features
Read full description

One LeetCode a day keeps your reasoning in play. Introducing LeetCode for iOS and iPadOS. Enjoy LeetCoding right at your fingertips — jump in for quick practice, browse your collections, and stay on top of important events and progress. With LeetCode in the palm of your hand, you can easily: • Search and discover the latest company questions. • View and quickly practice your favorite challenges right in the palm of your hand. • Manage your lists or add to your wishlist to practice later. • Keep track of your personal progress with a rich profile view and widgets. • Stay notified and keep your streak alive — level up with new challenges and quests every day. • Register for contests and sync them to your calendar. Live Activities keep you updated on contest progress — so you never miss a moment. • And more content and features coming every month… Terms of Services: https://leetcode.com/terms/ Privacy Policy: https://leetcode.com/privacy/

Screenshots

Codeclock4 screens
LeetCode4 screens

Verdict

The call

The clearest difference is update cadence: LeetCode at every 2 weeks against Codeclock's every 3 months. Codeclock's advantage is monetization model (free vs ad-supported) and iOS requirement (12.0 vs 16.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Codeclock ships an update every 3 months, LeetCode every 2 weeks. The most recent releases landed on September 15, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Codeclock versus LeetCode: the parameters behind the verdict, then further details
ParameterCodeclockLeetCode
PriceFreeFree
Rating—4.8 (611 ratings) — better
Positive reviews50.0% of reviews — better45.1% of reviews
Number of ratings—611 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size46 MB110 MB
Age rating12+4+
DeveloperNaman AnandLeetCode

Customer experience

Codeclock

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

LeetCode

All ratings611 ratings
Positive93.6%
Neutral2.1%
Negative4.3%
Written reviews51 reviews
Positive45.1%
Neutral29.4%
Negative25.5%

In-app purchases

None

Codeclock

No in-app purchases

None

LeetCode

No in-app purchases

Questions

Is Codeclock free?
Codeclock is free to download, with no in-app purchases.
Is LeetCode free?
LeetCode is free to download, with no in-app purchases.
Do Codeclock or LeetCode have ads?
Neither Codeclock nor LeetCode shows ads.
Which is updated more often, Codeclock or LeetCode?
Codeclock ships an update every 3 months, and LeetCode every 2 weeks. Most recently, Codeclock was updated on September 15, 2026 and LeetCode on October 1, 2026.

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