Comparison

AlgoNinja vs Algo Demo

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

Head to head
About

AlgoNinja

Features
Read full description

AlgoNinja is your ultimate platform for honing coding skills and preparing for technical interviews. With a vast library of algorithmic challenges across various difficulty levels, AlgoNinja helps you master essential concepts, from data structures to advanced problem-solving techniques. Track your progress, receive instant feedback, and tackle new problems added regularly. Whether you’re a beginner or a seasoned coder, AlgoNinja provides the tools you need to succeed in your coding journey and ace your interviews. Elevate your coding game and join a community of learners committed to excellence

About

Algo Demo

Features
Read full description

Algo Demo β€” Visualize Algorithms & Data Structures Designed for CS students, interview preppers, and educators, Algo Demo demystifies algorithms through interactive animations and step-by-step visualizations. Covered Topics: β€’ Data Structures: Linked Lists, Binary Trees, Stacks, Hash Tables β€’ Core Algorithms: Sorting, Two Pointers, Dynamic Programming, Binary Search Key Features: β€’ All-New Progress Control: Our most powerful interactive upgrade yet! Drag a sleek progress bar to jump to any step of an algorithm in real-time. Perfect your understanding by replaying complex parts at your own pace. β€’ Live Code Playback: Watch the code execute in perfect sync with the visualization. Key lines are highlighted as the algorithm runs, forging a clear connection between abstract logic and concrete implementation. β€’ Smooth Animations: Break down each step of algorithm execution with crystal-clear visuals. β€’ Interactive Playback: Adjust speed, pause, or rewind for deeper learning.

Screenshots

AlgoNinja4 screens
Algo Demo4 screens

Verdict

The call

The clearest difference is ads: AlgoNinja at none against Algo Demo's shown. Algo Demo's advantage is iOS requirement (13.0 vs 17.5). On price, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

Scorecard2 real differences Β· 4 level
AlgoNinja versus Algo Demo: the parameters behind the verdict, then further details
ParameterAlgoNinjaAlgo Demo
PriceFreeFree
Update frequencyβ€”Every 4 months
AdsNo β€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.513.0 β€” better
Further details β€” not scored
Size4 MB36 MB
Age rating4+17+
DeveloperAleksandr Titovzhuo zeng

In-app purchases

None

AlgoNinja

No in-app purchases

None

Algo Demo

No in-app purchases

Questions

Is AlgoNinja free?
AlgoNinja is free to download, with no in-app purchases.
Is Algo Demo free?
Algo Demo is free to download, with no in-app purchases.
Do AlgoNinja or Algo Demo have ads?
Algo Demo shows ads; AlgoNinja does not.

Other comparisons