iBuilder vs Ultimate Coaster 2
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
iBuilder
This is a creative building game where you can construct anything you imagine using over 60 block types. Design entire cities with customizable terrain, realistic graphics, and dynamic environmental effects.
- Build castles, docks, mansions, and more
- Over 60 different block types
- Random terrain generation
- Customizable island size and vegetation
- 360-degree camera control
- Realistic water, sky, and sun effects
- Save up to 3 worlds
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iBuilder is the ultimate building game! Build castles, docks, mansions, seawalls, towers, and anything else you can imagine. Use over 60 different types of blocks to build your own city and your own world! iBuilder is an incredible construction game that features: - Random terrain generation - Choose the number of islands and their height and width - Choose the number of vegetation on each island With iBuilder, you can quickly design an entire city with blocks, using our simple interface. You can move the camera 360 degrees, zoom, and pan in all directions. The game features realistic water effects, sky movement, and the sun even rotates throughout the day! The building materials are cement, brick, glass, tile, grass, bushes, rusted steel, stainless steel, gravel, dirt, sand, rock, and much more! iBuilder features: - Slots to save 3 worlds - Choose any block texture you want - Advanced OpenGL graphics with shading - Music and sound effects - High-resolution textures - Made for all iOS devices iBuilder is brought to you by the makers of iRollerCoaster and iBASEjump. Have fun with iBuilder and build your dreams!
Ultimate Coaster 2
Design and experience your own roller coasters in a 3D environment. This app offers intuitive controls for all skill levels, allowing you to build, customize, and ride your creations with realistic physics. Save your designs and explore pre-built demo coasters.
- Create custom roller coasters
- Realistic physics simulation
- Intuitive and advanced controls
- Save and load track designs
- Paint tracks any color
- Modify terrain
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Ultimate Coaster 2 lets you create and ride your own roller coasters in a fully customizable 3D world. This is your playground - let your imagination run free! (: Features: - Simple, intuitive controls - Advanced controls for power users - Realistic Physics - Roller coaster models generated real time - The ability to save and load tracks - Options to paint your track any color - Terrain modification - Comes preloaded with demo coasters inspired by real existing rides!
Screenshots
Verdict
The clearest difference is review sentiment: Ultimate Coaster 2 at 74% against iBuilder's 16%. Ultimate Coaster 2 also leads on rating (4.1 vs 2.3) and ratings volume (1.9K vs 11). On price, ads, in-app purchases and monetization model 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
Both are free to download. iBuilder sells 1 one-off in-app purchase and Ultimate Coaster 2 sells 16 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Ultimate Coaster 2 holds the better App Store score, 4.1 against 2.3. That said, the two scores are not equally well evidenced: Ultimate Coaster 2 has 1.9K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 16% of iBuilder's written reviews are positive against 74% of Ultimate Coaster 2's.
iBuilder ships an update every 29 months, Ultimate Coaster 2 every 6 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.
| Parameter | iBuilder | Ultimate Coaster 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (11 ratings) | 4.1 (1.9K ratings) — better |
| Positive reviews | 16.4% of reviews | 73.7% of reviews — better |
| Number of ratings | 11 | 1.9K — better |
| Update frequency | Every 29 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 145 MB |
| Age rating | 4+ | 4+ |
| Developer | Sea Venture LLC | Jason Hu |
Customer experience
iBuilder
Ultimate Coaster 2
User reviews
iBuilder
From 11 App Store ratingsWhat we love
- 🚀 Realistic graphics
- 👍 Relaxing gameplay
Room to improve
- 🐛 Frequent crashes
- 👎 Confusing controls
- 💰 Paywall for full experience
- 🚫 Lack of content and features
Ultimate Coaster 2
From 1.9K App Store ratingsWhat we love
- 🤩 Amazing game
- 👍 Easy to use
- 🎢 Great for roller coaster enthusiasts
- 🔥 Best mobile coaster game
- 🎨 Good customization options
Room to improve
- 🐛 Crashes and glitches
- 💰 Paid content required
- 🔍 Limited camera controls
- 🌄 Lacking scenery and theming options
- 🔧 Clunky track transitions
Bugs and requests
iBuilder
Reported bugs
2 issues- Blocks disappearing after placement
- Inability to delete or move placed blocks
Requested features
3 requests- Ability to modify terrain
- Addition of characters and wildlife
- More building options and tools
Ultimate Coaster 2
Reported bugs
4 issues- Crashes when loading large coasters
- Glitches with track placement and orientation
- Autosave feature not working as expected
- Inability to load previously saved coasters
Requested features
10 requests- Add switch tracks
- Implement shuttle coasters
- Include more pre-made inversion elements
- Allow customization of station and queue
- Introduce day/night cycle and lighting
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- Add water rides and scenery
- Enable multiple coasters on a single plot
- Provide an undo/redo function
- Implement a smoothing tool for tracks
- Add more free coaster types
In-app purchases
iBuilder
- iBuilder$1.99
Ultimate Coaster 2
- Box-Spined Hyper Coaster$1.99
- Dive Machine (10 Seats)$1.99
- Box-Spined Wing Coaster$1.99
Show 13 moreShow fewer
- Box-Spined Inverted Coaster$1.99
- Girder Rocket Coaster$1.99
- Corkscrew Coaster$1.99
- Hybrid Coaster$1.99
- Single Rail Coaster$1.99
- Girder Blitz (OTSR) Coaster$1.99
- Girder Spinner Coaster$1.99
- Single Spined Coaster (3 Row)$1.99
- Multidimensional Coaster$1.99
- Girder Blitz (Lapbar) Coaster$1.99
- Double Spined Coaster (2 row)$1.99
- Girder Coaster (4 Seats)$1.99
- All Coaster Types$19.99
Questions
Is iBuilder free?
Is Ultimate Coaster 2 free?
Which has better reviews, iBuilder or Ultimate Coaster 2?
Do iBuilder or Ultimate Coaster 2 have ads?
Which is updated more often, iBuilder or Ultimate Coaster 2?
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