Comparison

LeetCode vs AB

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

Head to head
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/

About

AB

Features
Read full description

PASS YOUR AGENTIC AI BUSINESS SOLUTIONS ARCHITECT EXAM Master Microsoft's newest AI certification with 500+ practice questions covering Copilot Studio, Microsoft Foundry, Dynamics 365, and multi-agent architectures. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? AI and business applications professionals earn up to $203K annually (Skillsoft 2024). The Agentic AI Business Solutions Architect certification validates your ability to design intelligent, multi-agent solutions across the Microsoft ecosystem — one of the most in-demand skill sets in enterprise AI today. WHAT YOU'LL MASTER: • Copilot Studio agent building with generative and classic orchestration modes • Microsoft Foundry for deploying and managing AI models at enterprise scale • Multi-agent protocols including Agent-to-Agent (A2A) and Model Context Protocol (MCP) • Agent orchestration patterns for autonomous, semi-autonomous, and human-in-the-loop workflows • Dynamics 365 integration with AI-driven business processes and workflows • Power Platform automation with Copilot-enabled apps, flows, and agents • Power Platform Well-Architected Framework across reliability, security, and performance • Responsible AI principles including fairness, transparency, accountability, and safety • Small Language Models (SLMs) selection, fine-tuning, and deployment strategies • Prompt engineering techniques for grounding, chain-of-thought, and few-shot patterns • Application Lifecycle Management (ALM) for AI solutions across dev, test, and production • Cloud Adoption Framework for Azure with AI-specific governance and landing zones • ROI and TCO analysis for agentic AI implementations and business case justification • Generative vs. classic orchestration trade-offs for latency, cost, and accuracy • Security and compliance architectures for multi-agent systems with data loss prevention STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into AI and business applications expertise. Download now. Pass your exam. Master agentic AI.

Screenshots

LeetCode4 screens
AB3 screens

Verdict

The call

The clearest difference is update cadence: LeetCode at fortnightly against AB's every 3 months. On price, ads, in-app purchases and device support 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. LeetCode sells 2 in-app purchases, starting at $35.00 per month and AB sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LeetCode ships an update fortnightly, AB every 3 months. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

Scorecard1 real difference · 9 level
LeetCode versus AB: the parameters behind the verdict, then further details
ParameterLeetCodeAB
PriceFreeFree
Rating4.8 (626 ratings) — better—
Positive reviews44.2% of reviews—
Number of ratings626 — better—
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size110 MB27 MB
Age rating4+4+
DeveloperLeetCodeDavy Raitt

In-app purchases

2 purchases

LeetCode

Subscriptions2
  • LeetCode Premium Monthly$35.001 Month
  • LeetCode Premium Yearly$159.001 Year
3 purchases

AB

Subscriptions2
  • Pro Monthly$3.991 Month
  • Pro Yearly7 Days trial$14.991 Year
One-time1
  • Pro Lifetime$19.99

Questions

Is LeetCode free?
LeetCode is free to download, with in-app purchases available.
Is AB free?
AB is free to download, with in-app purchases available.
Do LeetCode or AB have ads?
Neither LeetCode nor AB shows ads.
Which is updated more often, LeetCode or AB?
LeetCode ships an update fortnightly, and AB every 3 months. Most recently, LeetCode was updated on October 15, 2026 and AB on October 18, 2026.

Other comparisons