Comparison

Poly Bridge 3 vs Span

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

Span

Features
Read full description

Span is a calm, physics-driven bridge builder. Draw a bridge across the gap, choose your materials, then press Test and watch it carry the load — or buckle in glorious slow motion. Every beam glows with the forces running through it: a live X-ray of tension and compression, so you can see exactly why it held, or why it snapped. Rewind, move one strut, try again. • 57 hand-built levels across eight worlds — timber valleys to ocean straits • Timber, steel, stone, cables and road & rail decks • Real hazards: wind, earthquakes, thermal stress and floods • Drawbridges, canal locks, trains and passing ships • God-mode Sandbox: unlimited budget, every material, every disaster • Level editor: sculpt terrain, place anchors, schedule the traffic • One-tap replay export — share your best holds and worst fails No ads. No timers. No subscription. Buy once, build forever. Free through Chapter 1 — unlock the full game (all worlds, the sandbox and the editor) with a single purchase. Road vehicle models by Daniel Zhabotinsky (CC BY 4.0). Full credits in-app.

Screenshots

Poly Bridge 34 screens
Span4 screens

Verdict

The call

Poly Bridge 3 and Span are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 Span sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Poly Bridge 3 ships an update every 4 days, Span every 5 days. The most recent releases landed on October 23, 2026 and October 4, 2026 respectively.

ScorecardNo meaningful differences
Poly Bridge 3 versus Span: the parameters behind the verdict, then further details
ParameterPoly Bridge 3Span
PriceFreeFree
Rating3.9 (126 ratings) — better—
Positive reviews65.0% of reviews—
Number of ratings126 — better—
Update frequencyEvery 4 days — betterEvery 5 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size492 MB60 MB
Age rating4+4+
DeveloperDry CactusDodecki Labs

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

Span

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Poly Bridge 3

One-time1
  • Unlock All$4.99
1 purchases

Span

One-time1
  • Span Complete$7.99

Questions

Is Poly Bridge 3 free?
Poly Bridge 3 is free to download, with in-app purchases available.
Is Span free?
Span is free to download, with in-app purchases available.
Do Poly Bridge 3 or Span have ads?
Neither Poly Bridge 3 nor Span shows ads.
Which is updated more often, Poly Bridge 3 or Span?
Poly Bridge 3 ships an update every 4 days, and Span every 5 days. Most recently, Poly Bridge 3 was updated on October 23, 2026 and Span on October 4, 2026.

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