Comparison

Rules Change vs Stack 101 Tower

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

Head to head
About

Rules Change

A minimalist puzzle game where the rules constantly change each round. Players must adapt their thinking under pressure to follow new, often contradictory, rules to score higher. It tests mental flexibility and quick decision-making.

Highlights
  • New rule every round
  • Simple, abstract visuals
  • Increasing difficulty
  • Countdown timer
  • Score based on adaptation
Features
Read full description

Rules Change is a minimalist puzzle game where the rules never stay the same. Each round presents a simple rule and a set of shapes. Follow the rule correctly to continue — but be careful. With every new round, the rule changes, reverses, or contradicts what you just learned. The challenge isn’t speed alone, but adapting your thinking as expectations shift. There’s no memorization, no patterns to rely on, and no tricks you can use forever. The only way to score higher is to stay flexible and react under pressure. Features: • A new rule every round • Simple, abstract visuals with no distractions • Increasing difficulty as rules change faster • A countdown timer that rewards quick thinking • Score based on how long you can adapt Rules Change is designed to test mental flexibility, focus, and decision-making. It’s easy to start, difficult to master, and challenging in a way that stays fair. How long can you keep up when the rules won’t stay the same?

About

Stack 101 Tower

Features
Read full description

Stack 101 Tower: The Boba Challenge Eyes of a Hawk. Hands of a God. Can you reach 101? Stop playing casual. Stack 101 Tower is the ultimate test of precision and speed. No more excuses—without razor-sharp eyesight and lightning reflexes, you'll never survive the climb. • God-Tier Precision: One pixel off, and it’s game over. Only the elite can maintain the balance. • Rapid Reflexes: The higher you go, the faster it gets. Do you have the speed to keep up? • The Ultimate Reward: Only a true Stacking King can reach Floor 101 to claim the legendary Pearl Milk Tea. The Boba is at the top. Are you fast enough to take it?

Screenshots

Rules Change4 screens
Stack 101 Tower4 screens

Verdict

The call

The clearest difference is ads: Rules Change at none against Stack 101 Tower's shown. Stack 101 Tower's advantage is iOS requirement (12.0 vs 15.1). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Rules Change versus Stack 101 Tower: the parameters behind the verdict, then further details
ParameterRules ChangeStack 101 Tower
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequency—Every 5 days
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.112.0 — better
Further details — not scored
Size191 MB54 MB
Age rating4+4+
DeveloperRICHARD RADI BARKETTZHENG YU-XIANG

In-app purchases

None

Rules Change

No in-app purchases

None

Stack 101 Tower

No in-app purchases

Questions

Is Rules Change free?
Rules Change is free to download, with no in-app purchases.
Is Stack 101 Tower free?
Stack 101 Tower is free to download, with no in-app purchases.
Do Rules Change or Stack 101 Tower have ads?
Stack 101 Tower shows ads; Rules Change does not.

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