Cosmic Mechanic vs Poly Bridge 3
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Cosmic Mechanic
Engineer vehicles from found parts to navigate alien portals and return home. This game offers over 50 levels with multiple gameplay modes and numerous parts for creative problem-solving.
- Vehicle engineering
- Alien portal navigation
- Over 50 levels
- Multiple gameplay modes
- Creative contraption building
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A deep space explorer crash lands on a mysterious planet. To get back home, you must engineer vehicles out of whatever parts you find and traverse the alien portal network left behind by a long gone ancient civilization. Cosmic Mechanic is an exciting game about building cool gadjets and contraptions to navigate through many mind bending scenarios. Over 50 levels, 4 unique gameplay modes (puzzle, jump, time, collect) and lots of vehicle parts to experiment with. Reviews: * There really isn’t anything not to like about this game. It’s fun, creative, and and something the whole family can enjoy. -- thegamerwithkids.com * Offering up a solid collection of over fifty levels, Cosmic Mechanic is an entertaining adventure -- 148apps.com
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.
- Build various bridge types
- Physics-based simulation
- Open World Campaign
- Sandbox mode for creativity
- Leaderboards and player gallery
- Custom physics engine
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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!
Screenshots
Verdict
The clearest difference is price: Poly Bridge 3 at Free against Cosmic Mechanic's $0.99. Poly Bridge 3 also leads on update cadence (every 4 days vs every 9 months) and ratings volume (135 vs 5). Cosmic Mechanic's advantage is rating (5.0 vs 3.9) and review sentiment (100% vs 65%). On ads 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
Poly Bridge 3 is free to download; Cosmic Mechanic costs $0.99 up front. Poly Bridge 3 sells 1 one-off in-app purchase. Cosmic Mechanic asks for nothing beyond the download.
Cosmic Mechanic holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Poly Bridge 3 has 135 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Cosmic Mechanic's written reviews are positive against 65% of Poly Bridge 3's.
Cosmic Mechanic ships an update every 9 months, Poly Bridge 3 every 4 days. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.
| Parameter | Cosmic Mechanic | Poly Bridge 3 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (5 ratings) — better | 3.9 (135 ratings) |
| Positive reviews | 100.0% of reviews — better | 65.0% of reviews |
| Number of ratings | 5 | 135 — better |
| Update frequency | Every 9 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 62 MB | 492 MB |
| Age rating | 4+ | 4+ |
| Developer | Kimmo Factor Oy | Dry Cactus |
Customer experience
Cosmic Mechanic
Poly Bridge 3
Bugs and requests
Cosmic Mechanic
Not enough reviews yet to summarise bugs or 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
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- 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
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- 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
In-app purchases
Cosmic Mechanic
No in-app purchases
Poly Bridge 3
- Unlock All$4.99
Questions
Is Cosmic Mechanic free?
Is Poly Bridge 3 free?
Which has better reviews, Cosmic Mechanic or Poly Bridge 3?
Do Cosmic Mechanic or Poly Bridge 3 have ads?
Which is updated more often, Cosmic Mechanic or Poly Bridge 3?
Other comparisons
