# Astro Builder vs Inventory Merge Combat

The clearest difference is update cadence: Inventory Merge Combat at every 2 weeks against Astro Builder's every 11 months. Inventory Merge Combat also leads on iOS requirement (13.0 vs 15.0). Astro Builder's advantage is review sentiment (35% vs 24%) and ratings volume (3.4K vs 851). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Astro Builder sells 5 one-off in-app purchases and Inventory Merge Combat sells 13 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 Astro Builder against 4.6 for Inventory Merge Combat. Both are backed by a comparable volume of ratings — 3.4K and 851 respectively. Written reviews are what separate them: 35% of Astro Builder's written reviews are positive against 24% of Inventory Merge Combat's.

Astro Builder ships an update every 11 months, Inventory Merge Combat every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Astro Builder | Inventory Merge Combat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.4K ratings)](https://appshunter.io/ios/app/astro-builder/id6737761200/reviews)** | [4.6 (851 ratings)](https://appshunter.io/ios/app/inventory-merge-combat/id6741464317/reviews) |
| Number of ratings | **3.4K** | 851 |
| Positive reviews | **34.9% of reviews** | 24.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 251 MB | 232 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Solid Games](https://appshunter.io/developer/1625798412) | [IEC GAMES AUSTRALIA PTY LTD](https://appshunter.io/developer/1551788418) |

## What reviewers say

### Astro Builder

[App page](https://appshunter.io/ios/app/astro-builder/id6737761200)

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.

**Highlights:** Idle space station construction, Resource management, Unlock new equipment, Expand and develop areas, Space elevator material transport

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AD TICKETS 10 | $0.99 | one-time |
| AD TICKETS 25 | $1.99 | one-time |
| AD TICKETS 60 | $3.99 | one-time |
| Ad-free 7 day | $4.99 | one-time |
| Permanent ad-free! | $9.99 | one-time |

**What reviewers like**

- 🚀 Fun game concept
- 👍 Detailed space station building
- 💡 Customizable astronaut suits

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- Builders getting stuck or ignoring resource needs
- Inconsistent behavior when collecting from processors
- Permanent worker upgrades not functioning properly

**Requested features**

- Ability to continue progress offline
- More varied level designs and challenges
- Autonomous builder behavior
- Background progress while app is closed


### Inventory Merge Combat

[App page](https://appshunter.io/ios/app/inventory-merge-combat/id6741464317)

Strategically merge warships, planes, and items to build the ultimate fleet. Engage in challenging naval battles against increasingly difficult enemies. Test your strategic skills to become the ultimate naval commander.

**Highlights:** Merge ships, planes, and items, Build a powerful fleet, Engage in naval combat, Progress through various levels, Strategic item merging

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond 1 | $0.49 | one-time |
| Diamond 2 | $2.49 | one-time |
| No Forced Ads | $2.99 | one-time |
| Fast Forward | $3.99 | one-time |
| Chapter Deal | $3.99 | one-time |
| Diamond 3 | $3.99 | one-time |
| Litmited Offer Premium Pack | $4.99 | one-time |
| Welcome Bundle | $4.99 | one-time |
| Welcome Bundle | $6.99 | one-time |
| Premium pack | $9.99 | one-time |
| Diamond 4 | $9.99 | one-time |
| Diamond 5 | $24.99 | one-time |
| Diamond 6 | $49.99 | one-time |

**What reviewers like**

- 🚀 Fun gameplay
- 👍 Affordable to remove ads
- 👍 Helpful to watch ads for extra stuff

**What reviewers complain about**

- 🔍 Stingy with rewards and upgrades
- 💰 Being used for ad revenue
- 🔍 Too many forced ads
- 🐛 Bug issues
- 🔍 Ads doubled in length after purchase

**Reported bugs**

- Forced ads even after purchase
- Lack of sound effects

**Requested features**

- Daily reward system for coins and gems
- Easier to get new ships
- More ships and unique level backgrounds
- More slots for inventory


## Frequently asked questions

### Is Astro Builder free?

Astro Builder is free to download, with in-app purchases available.

### Is Inventory Merge Combat free?

Inventory Merge Combat is free to download, with in-app purchases available.

### Which has better reviews, Astro Builder or Inventory Merge Combat?

Astro Builder is rated higher. Astro Builder averages 4.7 out of 5 from 3.4K ratings, while Inventory Merge Combat averages 4.6 from 851 ratings.

### Do Astro Builder or Inventory Merge Combat have ads?

Both Astro Builder and Inventory Merge Combat show ads.

### Which is updated more often, Astro Builder or Inventory Merge Combat?

Astro Builder ships an update every 11 months, and Inventory Merge Combat every 2 weeks. Most recently, Astro Builder was updated on October 30, 2026 and Inventory Merge Combat on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*