Comparison

Physics! Fun vs Kselebox

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

Head to head
About

Physics! Fun

Explore a realistic physics sandbox where you can build, break, and experiment with your own creations. Design complex machines, test structures, and manipulate gravity in an open-world environment. Frequent updates ensure endless creative possibilities.

Highlights
  • Realistic ragdoll physics
  • Dynamic particle and fluid simulations
  • Complex machine and structure building
  • Customizable gravity and environments
  • Intuitive building controls
  • Frequent content updates
Features
Read full description

WELCOME TO THE ULTIMATE PHYSICS PLAYGROUND! Step into a world where your imagination is the only limit. Physics! Fun is the ultimate ragdoll physics sandbox simulator where you can create, destroy, experiment, and unleash absolute chaos! Whether you want to test crazy inventions, smash custom vehicles, or drop massive nukes on unsuspecting ragdolls, this is your ultimate laboratory. UNLEASH PURE CHAOS Set off massive tactical explosions, trigger custom nukes, and watch the physics engine cause total mayhem. Splash beautiful neon liquids, mix toxic acids, and trigger volcanic pink lava. Want to bend reality? Turn on the Zero Gravity mode or invert the gravity slider to watch everything float and drift in space! BUILD & ANIMATE YOUR CREW Create your own custom characters using the advanced character editor! Choose from ninjas, robots, mummies, zombies, or Santas. Assemble custom limbs, change heads, and bring them to life. Animate your ragdolls or destroy them in the most satisfying ways possible! CRASH, SMASH & DRIVE Take control of monster trucks, sports cars, and heavy-duty vehicles. Drive them off massive ramps, smash them head-on into brick walls, or tether them to giant rockets. Watch realistically simulated crashes where ragdoll drivers get launched mid-air with true-to-life physics. ABSURD RAGDOLL ANIMALS Who said sandbox games are only for humans? Spawn realistic bears, crazy animals, and custom creatures. Tether them with ropes, attach them to industrial magnets, or launch them into orbit. The interactions are 100% unpredictable and hilariously dynamic. SATISFYING LIQUIDS & FLUID DYNAMICS Experience highly advanced fluid simulation! Mix green slime, pink jelly, honey, and deadly acid inside glass tanks. Pump liquids around, watch them splash, overflow, and react realistically with ragdolls and obstacles. INFINITE TOOLS & 250+ OBJECTS Never run out of ideas! Explore a massive, ever-growing warehouse packed with over 250 unique objects. From landmines, C4s, and machine guns to chains, gravity modifiers, and community garage mods—you have a complete toolbox at your disposal. PLAY ANYWHERE - NO WI-FI REQUIRED! No internet? No problem! Physics! Fun works completely offline. Enjoy the full physics simulation anytime, anywhere, with absolutely no limits. Download Physics! Fun today and start your chaotic experiments! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Kselebox

A 2D physics sandbox game focused on creativity and building. Design machines, create environments, and experiment with natural interactions in a relaxed atmosphere. It's about freedom and the joy of crafting unique worlds.

Highlights
  • 2D physics sandbox gameplay
  • Creative building and design
  • Natural object interactions
  • Sandbox mode for freeform creation
  • Relaxed and calm atmosphere
Features
Read full description

Kselebox is a cozy 2D physics sandbox where imagination comes first. Build your own farms, create peaceful homes, or experiment with wild contraptions. Watch how everything interacts and moves naturally — every object has its place in your little world. Design machines, explore new ideas, or simply enjoy the calm atmosphere. In Sandbox Mode, you can shape anything — from quiet countryside scenes to complex inventions. Kselebox is not about rushing. It’s about creativity, freedom, and the joy of building something uniquely yours.

Screenshots

Physics! Fun4 screens
Kselebox4 screens

Verdict

The call

The clearest difference is rating: Physics! Fun at 4.8 against Kselebox's 3.6. Physics! Fun also leads on review sentiment (100% vs 70%). Kselebox's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 16). On price, ratings volume, update cadence and ads 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. Physics! Fun sells 5 in-app purchases, starting at $4.99 per month. Kselebox asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Physics! Fun holds the better App Store score, 4.8 against 3.6. Both are backed by a comparable volume of ratings — 6 and 11 respectively. Written reviews point the same way: 100% of Physics! Fun's written reviews are positive against 70% of Kselebox's.

UpkeepUpdate frequency

Physics! Fun ships an update every 2 weeks, Kselebox fortnightly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
Physics! Fun versus Kselebox: the parameters behind the verdict, then further details
ParameterPhysics! FunKselebox
PriceFreeFree
Rating4.8 (6 ratings) — better3.6 (11 ratings)
Positive reviews100.0% of reviews — better70.0% of reviews
Number of ratings611 — better
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1613.0 — better
Further details — not scored
Size71 MB313 MB
Age rating9+9+
DeveloperRamazan SaglamVladyslav Ursatii

Customer experience

Physics! Fun

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Kselebox

All ratings11 ratings
Positive54.5%
Neutral18.2%
Negative27.3%
Written reviews10 reviews
Positive70.0%
Neutral0.0%
Negative30.0%

In-app purchases

5 purchases

Physics! Fun

Subscriptions2
  • Plus Monthly$4.991 Month
  • Plus Yearly$29.991 Year
One-time3
  • Small Block Package$1.99
  • Medium Block Package$2.49
  • Large Block Package$2.99
None

Kselebox

No in-app purchases

Questions

Is Physics! Fun free?
Physics! Fun is free to download, with in-app purchases available.
Is Kselebox free?
Kselebox is free to download, with no in-app purchases.
Which has better reviews, Physics! Fun or Kselebox?
Physics! Fun is rated higher. Physics! Fun averages 4.8 out of 5 from 6 ratings, while Kselebox averages 3.6 from 11 ratings.
Do Physics! Fun or Kselebox have ads?
Both Physics! Fun and Kselebox show ads.
Which is updated more often, Physics! Fun or Kselebox?
Physics! Fun ships an update every 2 weeks, and Kselebox fortnightly. Most recently, Physics! Fun was updated on September 22, 2026 and Kselebox on September 24, 2026.

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