# BuildCores vs RustMaster

BuildCores and RustMaster are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. BuildCores sells 13 in-app purchases, starting at $3.99 per month and RustMaster sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

BuildCores ships an update every 6 weeks, RustMaster monthly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BuildCores | RustMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2K ratings)](https://appshunter.io/ios/app/buildcores-3d-pc-builder/id1441971434/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 72.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 217 MB | 36 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Harshdeep Kahlon](https://appshunter.io/developer/1441971433) | [karos mohammed](https://appshunter.io/developer/1678806713) |

## What reviewers say

### BuildCores

[App page](https://appshunter.io/ios/app/buildcores-3d-pc-builder/id1441971434)

This app offers a revolutionary 3D PC building experience, allowing users to visualize and assemble virtual computer components. It features an intelligent compatibility engine and global price comparison to ensure optimal builds and savings.

**Highlights:** Full 3D PC builder simulator, Interactive 3D component assembly, Intelligent compatibility engine, Global price comparison, Live sales feed, Build management and syncing, Performance estimator

**Features:** Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter Monthly Creator | $3.99 | per month |
| BuildCores PRO | $4.99 | per month |
| Supporter Weekly Creator | $5.99 | per 7 days |
| BuildCores Pro Weekly | $7.99 | per 7 days |
| Pro Yearly Discount | $9.99 | per year |
| Supporter Monthly Creator | $9.99 | per month |
| BuildCores PRO | $11.99 | per month |
| Supporter Yearly Creator | $11.99 | per year |
| Pro Yearly | $14.99 | per year |
| Pro Yearly Discount | $22.99 | per year |
| Supporter Yearly Creator | $27.99 | per year |
| BuildCores PRO | $34.99 | per year |
| BuildCores Premium | $2.99 | one-time |

**What reviewers like**

- 👍 Great app
- 🚀 Helpful for building PCs
- 🚀 Useful for beginners and enthusiasts
- 👍 Sleek and easy-to-use interface
- 👍 Provides part compatibility and performance info

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🔍 Limited parts database
- 💰 Inaccurate pricing information
- 🔍 Missing popular parts
- 🔍 Lack of search/filtering options

**Reported bugs**

- Crashes when changing parts
- Incorrect part information and links
- Inability to remove/edit builds

**Requested features**

- 3D visualization of builds
- More currency options
- Ability to add custom parts
- Improved compatibility checks
- Price history tracking


### RustMaster

[App page](https://appshunter.io/ios/app/rustmaster-server-rcon-admin/id6752823350)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is BuildCores free?

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

### Is RustMaster free?

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

### Do BuildCores or RustMaster have ads?

Neither BuildCores nor RustMaster shows ads.

### Which is updated more often, BuildCores or RustMaster?

BuildCores ships an update every 6 weeks, and RustMaster monthly. Most recently, BuildCores was updated on October 15, 2026 and RustMaster on October 7, 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.*