Comparison

Poly Bridge 3 vs Water Box

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

Head to head
About

Poly Bridge 3

A physics-based puzzle game where you design and build bridges to guide vehicles to their destinations. Explore diverse levels, experiment with different bridge types, and test your engineering creativity in open-world and sandbox modes.

Highlights
  • Build various bridge types
  • Physics-based simulation
  • Open World Campaign
  • Sandbox mode for creativity
  • Leaderboards and player gallery
  • Custom physics engine
Features
Read full description

Try before you buy! No ads. In app purchase unlocks full game. Poly Bridge 3 is a puzzle game where building bridges is key. Get vehicles to their destination by testing your engineering and problem solving skills. Suspension bridges, draw-bridges, multi-level bridges, crazy almost-bridges, bridges, bridges, bridges! Explore the new Open World Campaign with a dozen worlds and 150+ new levels. Jumps, Hydraulics, ‘Normal’ Bridges, and more giving you hours of gameplay to enjoy! Take a flying leap in Vaulty Towers or flex those hydraulic muscles in Bifrost Bend! Let your engineering creativity flow with no restrictions in Sandbox mode, allowing you to push your bridge building skills to the limit. Challenge yourself with improving your rank on the Leaderboards and check out other player solutions in the Gallery! Our custom physics engine gives total control, reliability, and accuracy to your bridges. Sleep easy at night knowing your bridges will perform consistently every time!

About

Water Box

Explore realistic fluid dynamics and ragdoll physics in this sandbox playground. Sink ships, experiment with various liquids, and unleash destruction with a wide array of tools and elements. Build and test your creations in a detailed simulation environment.

Highlights
  • Realistic water and powder simulation
  • Ragdoll people playground experiments
  • Ship sinking and floating simulator
  • Gore and destruction simulator
  • Alchemy, fire, and chemical reactions
  • Build and share creations
Features
Read full description

People playground meets a floating sandbox games in this realistic water physics simulation! This water physics sandbox games lets you experiment with realistic fluid behavior, sink ships by using bomb explosions, and enjoy a ragdoll people playground built to simulate destruction. Features: Water Simulation & Powder Game - Simulate liquids like lava, petrol, oil, nitro, viruses, fireworks, and more – each with unique behaviors. - Enjoy a beautiful underwater sandbox games with up to 200,000 water particles. Ragdoll & People Playground - Discover the many unpredictable outcomes of ragdoll experiments! - Use virus liquids to infect them or make them go crazy with chemicals & mods. - Realistic gore ragdoll playground: they can walk, drown, burn, or react to your experiments. Ship Sinking Simulator & Floating Sandbox - Build ships from scratch or choose from pre-built ones like cargo ships, submarines, and even the Titanic. - Test their strength against waves, bombs, stormworks, floods, or tsunamis. - Watch ships float, sink, burn, or explode in realistic fashion. - The inbuilt ship sinking simulator is very sophisticated - Includes 50+ pre-built experiments and machines to explore. - Build and test your own ships, vehicles, titanic clones, tanks rockets and share mods in the new online workshop. - Construct using different materials like wood, rubber or stone. Gore Sandboxels & Destruction Simulator - Use explosives like nukes, grenades, and rockets to smash anything. - Unleash god-powers like airstrikes, tsunamis, stormworks, floods or firestorms. - Choose among an arsenal of weapons to wreak havoc against your subjects! Alchemy, Fire & Physics Sandbox - Experiment with different elements - like lava with nitro, or fire with petrol and watch how they react with water, like freezing or evaporating - Realistic temperature, fire, and chemical reactions. - Set things on fire and watch it spread; extinguish it with water or freeze it into ice. - All materials react uniquely – from flammable boats to explosive bombs. - A deep and detailed destruction simulator game. - the game includes many cool firework effects. Now have fun and relax while playing in this underwater powder game: build complex boats, machines or simulate chain reactions in this sandboxel. Players say this sanbox game has everything you would expect from an mobile algodoo alternative. Have ideas or issues? Send me an email! Note: A strong phone is recommended for the best experience. Download the sanbox game now, build something wild, and let the chaos begin! By Gaming-Apps.com (2025)

Screenshots

Poly Bridge 34 screens
Water Box4 screens

Verdict

The call

The clearest difference is rating: Water Box at 4.8 against Poly Bridge 3's 3.9. Water Box also leads on review sentiment (92% vs 65%) and ratings volume (1.8K vs 135). Poly Bridge 3's advantage is ads (none vs shown) and update cadence (every 4 days vs every 9 days). On price, in-app purchases, monetization model 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. Poly Bridge 3 sells 1 one-off in-app purchase and Water Box sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Water Box holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Water Box has 1.8K ratings behind it against 135, so its average is the more settled of the two. Written reviews point the same way: 65% of Poly Bridge 3's written reviews are positive against 92% of Water Box's.

UpkeepUpdate frequency

Poly Bridge 3 ships an update every 4 days, Water Box every 9 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
Poly Bridge 3 versus Water Box: the parameters behind the verdict, then further details
ParameterPoly Bridge 3Water Box
PriceFreeFree
Rating3.9 (135 ratings)4.8 (1.8K ratings) — better
Positive reviews65.0% of reviews92.1% of reviews — better
Number of ratings1351.8K — better
Update frequencyEvery 4 days — betterEvery 9 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size492 MB87 MB
Age rating4+9+
DeveloperDry CactusLukas Oertel

Customer experience

Poly Bridge 3

All ratings126 ratings
Positive66.7%
Neutral10.3%
Negative23.0%
Written reviews100 reviews
Positive65.0%
Neutral12.0%
Negative23.0%

Water Box

All ratings1,741 ratings
Positive95.7%
Neutral2.2%
Negative2.1%
Written reviews597 reviews
Positive92.1%
Neutral3.2%
Negative4.7%

User reviews

Poly Bridge 3

From 135 App Store ratings

What we love

  • 👍 Fun and engaging gameplay
  • 🧠 Challenging and makes you feel like an engineer
  • ✨ Great physics
  • 😌 Relaxing and pure fun
  • 📱 Good for mobile

Room to improve

  • 🐛 Game-breaking bug with hydraulics
  • 🔇 No audio in silent mode
  • ⭐ Unclear requirement to get stars
  • 🧰 Limits creativity and bad snapping
  • 💸 Paid full game after free trial

Water Box

From 1.8K App Store ratings

What we love

  • 👍 Good game
  • 👍 Awesome game
  • 👍 Fun and good game
  • 👍 Great game
  • 👍 Satisfying and fun

Room to improve

  • 🐛 Crashes frequently
  • 💡 Increase water capacity

Bugs and requests

Poly Bridge 3

Reported bugs

12 issues
  • Game breaking bug where hydraulics won’t pull asphalt apart
  • No audio when in silent mode
  • No audio
  • Game kept bugging, wouldn’t let me place anything in the sandbox
  • Game Center can’t reconnect after reinstalling
Show 7 more
  • The example hydraulics level doesn’t let me do anything
  • When game resources accumulate, the game completely freezes
  • Game crashes or freezes before even starting
  • Black screen issues
  • Random game freezes
  • Inconsistent content in exhibition hall
  • Exploiting bugs for unrealistic operations

Requested features

9 requests
  • Turn off silent mode to hear game audio
  • Add workshop and ability to share bridges
  • Bring weekly mode to iOS
  • Allow players to upload levels for others to play
  • Add an Olympics mode
Show 4 more
  • Add Garcello with a mint green limousine
  • Add content like chemistry, physics, and mathematics games
  • Add user-made levels to iOS version
  • Add a way to upload Steam workshop levels to iOS version

Water Box

Reported bugs

1 issue
  • Crashes frequently

Requested features

1 request
  • Make ships sink like in Floating Sandbox

In-app purchases

1 purchases

Poly Bridge 3

One-time1
  • Unlock All$4.99
10 purchases

Water Box

One-time10
  • Increase max water by 10000$2.99
  • 250 Coins$4.99
  • Creative Package 50% Discount$4.99
Show 7 more
  • Increase max water by 20000$4.99
  • 550 Coins$7.99
  • Creative Package$9.99
  • Increase max water by 50000$9.99
  • 1200 Coins$14.99
  • Increase max water by 100000$17.99
  • 2300 Coins$24.99

Questions

Is Poly Bridge 3 free?
Poly Bridge 3 is free to download, with in-app purchases available.
Is Water Box free?
Water Box is free to download, with in-app purchases available.
Which has better reviews, Poly Bridge 3 or Water Box?
Water Box is rated higher. Poly Bridge 3 averages 3.9 out of 5 from 135 ratings, while Water Box averages 4.8 from 1.8K ratings.
Do Poly Bridge 3 or Water Box have ads?
Water Box shows ads; Poly Bridge 3 does not.
Which is updated more often, Poly Bridge 3 or Water Box?
Poly Bridge 3 ships an update every 4 days, and Water Box every 9 days. Most recently, Poly Bridge 3 was updated on October 30, 2026 and Water Box on October 28, 2026.

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