Comparison

Robox Duck vs Entropy

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

Head to head
About

Robox Duck

Tap a virtual duck to earn cryptocurrency tokens. Boost your duck's earnings and invite friends for bonuses. This game offers a simple and rewarding way to engage with play-to-earn mechanics.

Highlights
  • Tap duck to earn ROX tokens
  • Boost duck for faster earnings
  • Invite friends for bonus rewards
  • Instant reward withdrawal
  • Play-to-earn crypto game
Features
Read full description

Meet your crypto duck! Tap to make it squat and earn ROX tokens — the funnest way to get into crypto. The more you tap, the more your Robox Duck works! How it works: — Tap the duck to earn ROX crypto tokens — Watch it squat harder with every tap — Boost your duck to speed up earnings — Withdraw your rewards instantly — no fees — Invite friends and get bonus earnings Whether you’re new to crypto or already a pro, Robox Duck makes play-to-earn fun, simple, and rewarding. Start now! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Entropy

Features
Read full description

Social media dilutes focus; "Entropy: Zero" sharpens it.  Stop the doom scroll. Switch to a puzzle that pulls your brain from fog into flow state. Choose how you train your attention across two distinct modes, designed to replace mindless scrolling with tactical satisfaction: Levels Mode:  Master Your Progress! Rebuild your focus step-by-step across 80 intense levels.  Start on a manageable 8x8 grid and fight your way to the chaotic, high-speed 14x14 final stages.  Every level you beat is a tangible measure of your growing mental sharpness. Survival Mode:  Test Your Endurance! How long can you hold your attention under fire? In this endless mode, the entropy never stops. Push your concentration to its absolute limit as you manage escalating pressure and lock into a deep, sustained flow state. SYSTEM FEATURES & MECHANICS: • Precision is Everything: Plan your moves carefully. Every move demands total focus. Aim for efficiency, not just speed. • Risk vs. Reward: You can’t just tap wildly. Placing a patch on healthy territory causes Collateral Damage, accelerating the infection. • Tactical Arsenal: The current shape doesn't fit? "Skip" it to find the perfect piece to heal the grid. • Critical Stakes: The system reaches critical failure at exactly 80% corruption. Fix the tiles before the screen is overrun. • Par Times & Integrity: Earn high-score bonuses for maintaining your "Survival Integrity" and beating level Par Times. • Cyberpunk Aesthetic: Immerse yourself in a sleek, glowing neon cyber-interface. Order has collapsed. Chaos is spreading. Enter the grid and restore balance in Entropy, a tactical puzzle game where every move counts. The system reaches critical failure at 80% corruption. Can you hold back the chaos?

Screenshots

Robox Duck4 screens
Entropy3 screens

Verdict

The call

The clearest difference is update cadence: Robox Duck at weekly against Entropy's every 2 weeks. Robox Duck also leads on iOS requirement (15.1 vs 18.6). 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. Robox Duck sells 10 in-app purchases, starting at $4.00 per month and Entropy sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Robox Duck ships an update weekly, Entropy every 2 weeks. Both last shipped on November 5, 2026.

Scorecard2 real differences · 8 level
Robox Duck versus Entropy: the parameters behind the verdict, then further details
ParameterRobox DuckEntropy
PriceFreeFree
Rating4.7 (51 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings51 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size119 MB6 MB
Age rating4+4+
DeveloperRoboxOne OUErdener Uyan

In-app purchases

10 purchases

Robox Duck

Subscriptions5
  • Boost 5X - 1 month$4.001 Month
  • Boost 10X - 1 month$8.001 Month
  • Boost 20X - 1 month$16.001 Month
Show 2 more
  • Boost 40X - 1 month$31.991 Month
  • Boost 30X - 3 months$56.903 Months
One-time5
  • Boost 10X - 1 month$8.29
  • Boost 5X - 3 months$9.79
  • Boost 20X - 1 month$16.49
Show 2 more
  • Boost 30X - 3 months$58.90
  • Boost 50X - 3 months$97.90
4 purchases

Entropy

One-time4
  • Emergency Kit$0.99
  • Hacker Bundle$2.99
  • Developer Access$4.99
Show 1 more
  • Survival Mode$9.99

Questions

Is Robox Duck free?
Robox Duck is free to download, with in-app purchases available.
Is Entropy free?
Entropy is free to download, with in-app purchases available.
Do Robox Duck or Entropy have ads?
Neither Robox Duck nor Entropy shows ads.
Which is updated more often, Robox Duck or Entropy?
Robox Duck ships an update weekly, and Entropy every 2 weeks. Most recently, Robox Duck was updated on November 5, 2026 and Entropy on November 5, 2026.

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