Comparison

Chess Story vs SPARK Developer Exam Prep

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

Head to head
About

Chess Story

Experience chess history through engaging puzzles and missions. Challenge legendary figures and hone your skills against AI opponents. This game offers a unique blend of history, strategy, and thrilling gameplay for all skill levels.

Highlights
  • Historical chess moments
  • Challenging puzzles
  • Mission-based gameplay
  • Epic duels against legends
  • AI Mode with progressive difficulty
  • Candidates Tournament simulation
Features
Read full description

Learn chess. Understand your games. Know what to improve. Chess Story is a chess training app that combines puzzles, tactics, openings, endgames, game analysis, personalized coaching, and chess history to help you become a better player. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ YOUR PERSONAL CHESS COACH Meet Ruy, your personal chess coach. Connect your Chess.com username and let Chess Story analyze your online games to identify your strengths, weaknesses, recurring mistakes, and areas to improve. Explore your accuracy, results, openings, tactical play, endgames, time management, conversions, comebacks, and critical moments. Ruy turns your games into personalized insights and training recommendations based on how you actually play, helping you focus on what matters most. CLIMB THE PUZZLE LADDER Challenge yourself with tactical puzzles matched to your level. Start at 400 Elo and climb the ranks through increasingly difficult positions on your way toward 3000 Elo. Progress from Pawn to Knight, Bishop, Rook, Queen, and finally King while improving your calculation, pattern recognition, and tactical vision. MASTER CHESS, SKILL BY SKILL Build your chess through a structured training tree covering the three essential areas of the game: Tactics, Openings, and Endgames. Practice interactive positions, build mastery, pass exams, earn medals, and unlock new challenges. Learn by making decisions on the board instead of simply memorizing theory. TRAIN FOR YOUR OWN GAMES Ruy uses what he learns from your games to recommend the skills that deserve your attention. Work on your weaknesses, reinforce what you already do well, and make your training more relevant to your actual chess. DISCOVER YOUR DAILY ELO Take a new challenge every day combining tactics, openings, endgames, and decision-making. Get an estimated Daily Elo and use it to challenge yourself and follow your progress over time. TAKE THE DAILY CHALLENGE Solve three tactical challenges every day — Easy, Medium, and Hard — and maintain your streak. Complete all three without revealing a solution to uncover a new page from the Chess Story manuscript, filled with stories, records, players, and fascinating moments from chess history. TRAVEL THROUGH CHESS HISTORY Story Mode takes you through different countries and eras of chess. Solve historical and thematic positions, discover the ideas that shaped the game, and progress through an illustrated chess adventure. CHALLENGE THE LEGENDS Put your skills to the test against legendary chess masters. Discover their personalities and playing styles through special challenges inspired by some of the greatest names in chess history. MORE THAN A CHESS PUZZLE APP Chess Story brings together chess puzzles, tactical training, openings, endgames, real-game analysis, personalized coaching, progression, and chess history in one experience. Whether you're a beginner learning chess or an intermediate player trying to break through a rating plateau, Chess Story helps you answer one essential question: What should I work on next? Available in English, French, Spanish, and Portuguese. Analyze your games. Train your weaknesses. Climb the ranks. Write the next chapter of your Chess Story.

About

SPARK Developer Exam Prep

Features
Read full description

PASS YOUR DATABRICKS CERTIFIED ASSOCIATE DEVELOPER FOR APACHE SPARK EXAM Master big data engineering with 500+ practice questions designed to get you certified on your first attempt. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Databricks-certified data engineers earn up to $203K annually (Skillsoft 2024). Organizations worldwide rely on Apache Spark to process petabytes of data, making this certification your gateway to high-demand big data roles. WHAT YOU'LL MASTER: • Apache Spark architecture with driver and executor components • PySpark DataFrame API including transformations and actions • Spark SQL operations with temporary and global views • DAG optimization and Catalyst query optimizer internals • Narrow vs wide transformations and their performance impacts • Shuffle operations and partition-level data movement • Unified Memory Model for execution and storage management • Partition tuning strategies for optimal cluster utilization • Structured Streaming for real-time data processing • Spark Connect for client-server architecture patterns • Pandas API on Spark for distributed Python workflows • SparkSession and SparkContext configuration best practices • Executor memory and core allocation strategies • Performance troubleshooting with Spark UI and metrics • Broadcast joins, coalesce, and repartition operations STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into Apache Spark expertise. Download now. Pass your exam. Master big data engineering.

Screenshots

Chess Story4 screens
SPARK Developer Exam Prep3 screens

Verdict

The call

The clearest difference is ads: SPARK Developer Exam Prep at none against Chess Story's shown. Chess Story's advantage is update cadence (every 3 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement 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

Chess Story ships an update every 3 weeks, SPARK Developer Exam Prep every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Chess Story versus SPARK Developer Exam Prep: the parameters behind the verdict, then further details
ParameterChess StorySPARK Developer Exam Prep
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size84 MB27 MB
Age rating4+4+
Developermichael belhatteDavy Raitt

In-app purchases

None

Chess Story

No in-app purchases

None

SPARK Developer Exam Prep

No in-app purchases

Questions

Is Chess Story free?
Chess Story is free to download, with no in-app purchases.
Is SPARK Developer Exam Prep free?
SPARK Developer Exam Prep is free to download, with no in-app purchases.
Do Chess Story or SPARK Developer Exam Prep have ads?
Chess Story shows ads; SPARK Developer Exam Prep does not.
Which is updated more often, Chess Story or SPARK Developer Exam Prep?
Chess Story ships an update every 3 weeks, and SPARK Developer Exam Prep every 4 months. Most recently, Chess Story was updated on October 30, 2026 and SPARK Developer Exam Prep on October 31, 2026.

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