Idle Island Builder vs Astro Builder
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Idle Island Builder
Build your dream island paradise from the sea. Reclaim land, cultivate lush landscapes with trees, and construct magnificent buildings to create a vibrant, living island. Enjoy tranquil ocean beauty and unleash your creativity in this captivating idle game.
- Reclaim land from the sea
- Craft lush green landscapes
- Construct magnificent buildings
- Create a bustling island
- Intuitive idle gameplay
- Tranquil ocean beauty
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Dive into the ultimate relaxation of island building in this captivating casual game! Start by reclaiming the sea and crafting your own paradise from scratch. Transform the watery expanse into lush green landscapes adorned with trees, and construct magnificent buildings to create a bustling island full of life. With simple and intuitive gameplay, immerse yourself in the tranquil beauty of the ocean as you shape and expand your dream island. Unleash your creativity and build the perfect haven in this delightful and addictive idle game!
Astro Builder
Build a sprawling space station in orbit with this idle construction game. Start with basic components and expand your facility by unlocking new equipment and generating resources. Discover and develop new areas as your station grows.
- Idle space station construction
- Resource management
- Unlock new equipment
- Expand and develop areas
- Space elevator material transport
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Welcome to Astro Builder, the ultimate casual idle game where you construct a space station in near-Earth orbit. Begin with a simple setup—a connecting ground track and a small platform. Material is transported to the platform via a space elevator and piled on the ground. Utilize the resources to expand and improve the platform, unlocking new equipment and producing valuable resources. Each construction phase reveals a new area, waiting to be developed and unlocked. Can you build the ultimate space station and conquer the cosmos?
Screenshots
Verdict
Idle Island Builder and Astro Builder both sit at 4.7 stars, but that hides the real split: 49% of Idle Island Builder's written reviews are positive against 35% of Astro Builder's. Idle Island Builder also leads on update cadence (every 5 months vs every 11 months). On price, rating, ratings volume and ads 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. Idle Island Builder sells 8 one-off in-app purchases and Astro Builder sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Idle Island Builder against 4.7 for Astro Builder. Both are backed by a comparable volume of ratings — 3.6K and 3.4K respectively. Written reviews are what separate them: 49% of Idle Island Builder's written reviews are positive against 35% of Astro Builder's.
Idle Island Builder ships an update every 5 months, Astro Builder every 11 months. Both last shipped on October 28, 2026.
| Parameter | Idle Island Builder | Astro Builder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3.6K ratings) — better | 4.7 (3.4K ratings) |
| Positive reviews | 48.6% of reviews — better | 34.9% of reviews |
| Number of ratings | 3.6K — better | 3.4K |
| Update frequency | Every 5 months — better | Every 11 months |
| Ads | Yes | Yes |
| 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 | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 280 MB | 251 MB |
| Age rating | 4+ | 4+ |
| Developer | Solid Games | Solid Games |
Customer experience
Idle Island Builder
Astro Builder
User reviews
Idle Island Builder
From 3.6K App Store ratingsWhat we love
- 👍 Fun and entertaining
- 👍 Easy to start
- 👍 Good game detail
- 👍 Ability to make own island
Room to improve
- 🚫 Too many forced ads
- 🚫 Ads after every 20 seconds
- 🚫 Ads interrupt gameplay
- 🐛 Trucks keep glitching
Astro Builder
From 3.4K App Store ratingsWhat we love
- 🚀 Fun game concept
- 👍 Detailed space station building
- 💡 Customizable astronaut suits
Room to improve
- 🐛 Buggy AI and builder behavior
- 🔇 Lack of sound and music
- 🔁 Repetitive and monotonous gameplay
- 🔒 Forced ads and limited free content
- ⏱️ Slow progress without watching ads
Bugs and requests
Idle Island Builder
Reported bugs
1 issue- Trucks keep glitching
Requested features
2 requests- Reduce number of ads
- Add option to remove ads
Astro Builder
Reported bugs
3 issues- Builders getting stuck or ignoring resource needs
- Inconsistent behavior when collecting from processors
- Permanent worker upgrades not functioning properly
Requested features
4 requests- Ability to continue progress offline
- More varied level designs and challenges
- Autonomous builder behavior
- Background progress while app is closed
In-app purchases
Idle Island Builder
- Diamond Pack 1$1.99
- Diamond Pack 2$4.99
- No Ads Lite$4.99
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- Diamond Pack 3$9.99
- No Ads MAX$9.99
- Diamond Pack 4$19.99
- Diamond Pack 5$44.99
- Diamond Pack 6$99.99
Astro Builder
- AD TICKETS 10$0.99
- AD TICKETS 25$1.99
- AD TICKETS 60$3.99
Show 2 moreShow fewer
- Ad-free 7 day$4.99
- Permanent ad-free!$9.99
Questions
Is Idle Island Builder free?
Is Astro Builder free?
Which has better reviews, Idle Island Builder or Astro Builder?
Do Idle Island Builder or Astro Builder have ads?
Which is updated more often, Idle Island Builder or Astro Builder?
Other comparisons
