Comparison

iBuilder vs Ultimate Coaster 2

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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!

About

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.

Highlights
  • Create custom roller coasters
  • Realistic physics simulation
  • Intuitive and advanced controls
  • Save and load track designs
  • Paint tracks any color
  • Modify terrain
Features
Read full description

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

iBuilder4 screens
Ultimate Coaster 24 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
iBuilder versus Ultimate Coaster 2: the parameters behind the verdict, then further details
ParameteriBuilderUltimate Coaster 2
PriceFreeFree
Rating2.3 (11 ratings)4.1 (1.9K ratings) — better
Positive reviews16.4% of reviews73.7% of reviews — better
Number of ratings111.9K — better
Update frequencyEvery 29 monthsEvery 6 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size18 MB145 MB
Age rating4+4+
DeveloperSea Venture LLCJason Hu

Customer experience

iBuilder

All ratings11 ratings
Positive27.3%
Neutral0.0%
Negative72.7%
Written reviews195 reviews
Positive16.4%
Neutral7.7%
Negative75.9%

Ultimate Coaster 2

All ratings1,915 ratings
Positive76.7%
Neutral7.0%
Negative16.2%
Written reviews476 reviews
Positive73.7%
Neutral11.1%
Negative15.1%

User reviews

iBuilder

From 11 App Store ratings

What 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 ratings

What 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
Show 5 more
  • 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

1 purchases

iBuilder

One-time1
  • iBuilder$1.99
16 purchases

Ultimate Coaster 2

One-time16
  • Box-Spined Hyper Coaster$1.99
  • Dive Machine (10 Seats)$1.99
  • Box-Spined Wing Coaster$1.99
Show 13 more
  • 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?
iBuilder is free to download, with in-app purchases available.
Is Ultimate Coaster 2 free?
Ultimate Coaster 2 is free to download, with in-app purchases available.
Which has better reviews, iBuilder or Ultimate Coaster 2?
Ultimate Coaster 2 is rated higher. iBuilder averages 2.3 out of 5 from 11 ratings, while Ultimate Coaster 2 averages 4.1 from 1.9K ratings.
Do iBuilder or Ultimate Coaster 2 have ads?
Neither iBuilder nor Ultimate Coaster 2 shows ads.
Which is updated more often, iBuilder or Ultimate Coaster 2?
iBuilder ships an update every 29 months, and Ultimate Coaster 2 every 6 months. Most recently, iBuilder was updated on October 7, 2026 and Ultimate Coaster 2 on October 13, 2026.

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