Comparison

Math Command vs DeltaChess

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

Head to head
About

Math Command

Engage in a thrilling math-based action game where you solve arithmetic problems to defend Earth from destruction. Face challenging levels, bosses, and traps that test your logic and speed. Utilize voice commands or keyboard input to input answers and save the planet.

Highlights
  • Solve math problems (add, subtract, multiply, divide)
  • Voice recognition for input
  • Keyboard support
  • Video rewards for extra solutions
  • Save and continue progress
  • 10 challenging levels
  • 11 powerful bosses
Features
Read full description

Test your brain and save the planet in Polymath! Want to sharpen your mind and have fun at the same time? Polymath is the perfect game for anyone who loves fast challenges, quick thinking, and nonstop action. Forget IQ tests. If you can beat Polymath, you can already call yourself above average. Under pressure, you have to solve addition, subtraction, multiplication, and division to stop Earth from being destroyed. Sounds easy? Wait until you see what is waiting for you: surprises, bosses, and traps that will push your mind to the limit. Story: The mad genius Polymath has reprogrammed every missile on Earth to strike the planet itself. You are the only one who can stop him, and in the end you will face a battle of brains that tests you down to your very last neuron. Game highlights: • Voice recognition system: say the answer out loud and destroy the missiles with your own voice. • Keyboard support: play on your computer, or connect a keyboard to your phone and type the answers directly. • Rewarded video: watch and earn 10 extra solutions to keep playing. • Progress saving: pick up right where you left off, even after you lose. • 10 challenging levels. • 11 bosses to defeat. • Addition, subtraction, multiplication, and division. • Great soundtracks. • Bold ultra retro visuals. Polymath is fun, challenging, and educational. By the end, you will have mastered math without ever realizing you were learning. Download now and prove your mind is powerful enough to save the world!

About

DeltaChess

Features
Read full description

Step into the world of DeltaChess — where every move matters. DeltaChess blends elegance, strategy, and intelligence, helping players of all levels learn, practice, and play like a pro. Key Features: • Online Matches – Play live games against real players worldwide. Test your skills in real time and experience true competitive chess. • Engine Analysis (Stockfish 17) – Get instant move evaluations, suggested lines, and live performance graphs in real time. • AI Commentary – Understand why a move was brilliant or a critical blunder with human-like explanations. • Puzzle Trainer – Sharpen your skills with 100,000+ adaptive puzzles. The auto-next feature ensures seamless, focused practice. • Interactive Chessboard – Enjoy buttery-smooth drag & drop or tap-to-move controls, with elegant animations and highlighting. • Opening Explorer – Build your repertoire with the integrated ECO database and discover your next winning weapon. • Branch System – Freely explore alternative lines without affecting your main game. • Editor Mode – Set up any position, explore “what-if” scenarios, and experiment freely. • FEN & PGN Support – Import or export any position or full game effortlessly. • Smart Validation Engine – Ensure every setup and move follows chess rules with accurate move enforcement and realistic gameplay. • Move History & Undo/Redo – Review, replay, and learn from your games, move by move. • Fully Offline Capable – Your training doesn’t stop when your internet does. Perfect for flights, commutes, or dedicated study sessions. • Live analysis – Real-time sync of analysis state with voice chat tied to live analysis rooms. DeltaChess is more than an app — it’s your personal trainer, strategist, and companion, all in one. Download DeltaChess today and elevate your chess game!

Screenshots

Math Command4 screens
DeltaChess3 screens

Verdict

The call

The clearest difference is price: Math Command at Free against DeltaChess's $0.99. DeltaChess's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On 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

Math Command is free to download; DeltaChess costs $0.99 up front. Math Command sells 1 one-off in-app purchase and DeltaChess sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Math Command ships an update every 2 weeks, DeltaChess every 4 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
Math Command versus DeltaChess: the parameters behind the verdict, then further details
ParameterMath CommandDeltaChess
PriceFree — better$0.99
Rating5.0 (1 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size133 MB156 MB
Age rating+174+
DeveloperLeonardo AmoraSezgin Serin

In-app purchases

1 purchases

Math Command

One-time1
  • Premium$1.99
3 purchases

DeltaChess

One-time3
  • Developer Tip – Small$0.99
  • Developer Tip – Medium$9.99
  • Developer Tip – Large$99.99

Questions

Is Math Command free?
Math Command is free to download, with in-app purchases available.
Is DeltaChess free?
DeltaChess costs $0.99, and also offers in-app purchases.
Do Math Command or DeltaChess have ads?
Math Command shows ads; DeltaChess does not.
Which is updated more often, Math Command or DeltaChess?
Math Command ships an update every 2 weeks, and DeltaChess every 4 days. Most recently, Math Command was updated on October 1, 2026 and DeltaChess on October 9, 2026.

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