BuildCores vs RustMaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BuildCores
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.
- Full 3D PC builder simulator
- Interactive 3D component assembly
- Intelligent compatibility engine
- Global price comparison
- Live sales feed
- Build management and syncing
- Performance estimator
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BuildCores is the next-generation Part Picker and PC Builder in 3D. We combine a powerful component database with revolutionary full 3D viewing, giving you the ultimate PC building experience right on your phone. See a simulation of your real-life PC before you build it. FULL 3D PC BUILDER SIMULATOR See Your Build Come to Life: Don't just pick parts, assemble them! We're the only PC Parts Picker that lets you see your components in a fully interactive 3D space. Check Fit & Aesthetics: Rotate, zoom, and inspect your build from every angle to ensure everything looks and fits exactly how you want it to. INTELLIGENT COMPATIBILITY ENGINE Build with Absolute Confidence: Our core mission is perfect compatibility. BuildCores automatically cross-references every part you select—from CPU and motherboard sockets to RAM clearance and PSU wattage—to prevent any issues. Eliminate Guesswork: Stop worrying about returns and headaches. Our system acts as your expert guide, ensuring every part works together flawlessly. GLOBAL PRICE COMPARISON & LIVE SALES FEED Find the Lowest Price, Guaranteed: Compare real-time prices for every component across top retailers like Amazon, Newegg, and Best Buy. We support retailers across the USA, Canada, United Kingdom, Germany, Australia, and more. Regional Price Tracking: Our price comparison isn't limited to one country. Find the absolute best deal by checking prices across different regions. Never Miss a Deal: The dedicated Sales Feed is your secret weapon, alerting you to the latest discounts and price drops on the parts you need, saving you money automatically. POWERFUL ACCOUNTS & BUILD MANAGEMENT Your Builds, Synced Everywhere: Create a free BuildCores account to save, edit, and manage unlimited custom PC builds. Seamless & Organized: Start a build on the go and access it anytime. Your personalized part lists and dream machines are always just a tap away. KEY FEATURES FOR EVERY PC BUILDER: Massive Component Database: An ever-expanding library of CPUs, GPUs, motherboards, RAM, SSDs, and more, with specs and pricing updated hourly. Performance Estimator: Get FPS estimates to see how your build will perform in popular games. Easy Sharing: Export your build list in a Reddit-friendly table or simple text to share with communities like /r/buildapc for feedback. Terms of Service: https://www.buildcores.com/terms
RustMaster
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RustMaster is the all-in-one RCON app built for Rust server administrators. Whether you’re running a private community or a large public server, RustMaster gives you complete control of your server directly from your iPhone or iPad. Powerful Admin Tools: Player Management: View players online, track their real-time locations, kick or ban cheaters, and keep your community safe. Chat Control: Monitor live chat and reply instantly. Stay connected with players even when away from your PC. Server Commands: Run console commands with a tap. No more hassle typing long texts. Server Settings: Change settings, adjust rates, environment, and gameplay rules on the go. Performance Tracking: Check server uptime, performance, and status to ensure a smooth player experience. Multi-Server Support: Manage multiple servers in one place. Switching is seamless and fast. Secure Connection: Your server data is safe with secure RCON integration. RustMaster is designed for speed, reliability, and simplicity. Its clean and modern interface makes server management easy, while offering the depth and power serious admins need. With RustMaster, you can moderate chat, enforce rules, teleport to players, adjust gameplay settings, and keep your server running smoothly, all from your pocket.
Screenshots
Verdict
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.
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. 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.
| Parameter | BuildCores | RustMaster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (2K ratings) — better | — |
| Positive reviews | 72.3% of reviews | — |
| Number of ratings | 2K — better | — |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.6 — better |
| Further details — not scored | ||
| Size | 217 MB | 36 MB |
| Age rating | 4+ | 9+ |
| Developer | Harshdeep Kahlon | karos mohammed |
Bugs and requests
BuildCores
Reported bugs
3 issues- Crashes when changing parts
- Incorrect part information and links
- Inability to remove/edit builds
Requested features
5 requests- 3D visualization of builds
- More currency options
- Ability to add custom parts
- Improved compatibility checks
- Price history tracking
RustMaster
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BuildCores
- Supporter Monthly Creator$3.991 Month
- BuildCores PRO$4.991 Month
- Supporter Weekly Creator$5.997 Days
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- BuildCores Pro Weekly$7.997 Days
- Pro Yearly Discount$9.991 Year
- Supporter Monthly Creator$9.991 Month
- BuildCores PRO$11.991 Month
- Supporter Yearly Creator$11.991 Year
- Pro Yearly$14.991 Year
- Pro Yearly Discount$22.991 Year
- Supporter Yearly Creator$27.991 Year
- BuildCores PRO$34.991 Year
- BuildCores Premium$2.99
RustMaster
- Premium$9.99









