Rust for Developers: Why Teams Choose It, Where It Fits, Code Examples and How to Start

Rust is a systems programming language that gives C and C++ level speed with memory safety checked at compile time, without a garbage collector. Developers choose it for performance-critical services, command-line tools, WebAssembly, embedded software and security-sensitive code. The trade-off is a steeper learning curve, mainly around ownership and borrowing.

Key Takeaways

• Stack Overflow's 2025 survey again ranked Rust the most admired language, at 72%, ahead of Gleam (70%), Elixir (66%) and Zig (64%). Admiration is not the same as usage.
• In the same survey, 14.8% of all respondents used Rust, and 23.1% of people learning to code did.
• Google reports memory safety issues fell from 76% of new Android vulnerabilities in 2019 to under 20% in 2025 as new code moved to memory-safe languages, including Rust.
• Rust prevents many memory errors at compile time, but unsafe code can still cause them.
• Use Rust where performance, safety and reliability matter. Use simpler languages where speed of writing matters more.

What is Rust used for?

• Systems and infrastructure: operating system components, drivers, databases and network services.
• Web servers and command-line tools: fast, single-binary programs with predictable performance.
• WebAssembly: compiling performance-sensitive logic to run in browsers and edge runtimes.
• Embedded software: small devices where memory and reliability matter.
• Blockchain and cryptography: where correctness and speed both count. See blockchain use cases.
• Security tooling: parsers and network code that handle untrusted input.

How popular is Rust in 2026?

In the 2025 Stack Overflow Developer Survey, Rust was the most admired language at 72%, followed by Gleam at 70%, Elixir at 66% and Zig at 64% (Stack Overflow). "Admired" means developers who used it want to keep using it. Older articles quote 83% from the 2024 survey, so make sure you cite the year. Actual usage is smaller: the survey chart shows Rust at 14.8% of all respondents and 23.1% of those learning to code.

Why is Rust considered safe?

Rust's compiler enforces ownership rules: each value has one owner, references must be valid and mutable access is exclusive. That prevents use-after-free, many null-pointer errors and data races in safe code, without a garbage collector. Google's Android team reports that memory safety vulnerabilities fell from 76% of new Android vulnerabilities in 2019 to under 20% in 2025, as new code moved to memory-safe languages, with Rust as one of them (Privacy Guides summary). Google's own framing is that the problem is mostly in new code, and it has not claimed a complete solution.

Safety has limits. Code inside unsafe blocks can still break memory safety, logic bugs are still possible, and Rust cannot fix a bad design.

What does Rust code look like?

This example shows ownership. After the value moves, the old variable cannot be used.

fn main() {
    let name = String::from("Appic");
    let moved = name;          // ownership moves to `moved`
    // println!("{}", name);   // compile error: value borrowed after move
    println!("{}", moved);
}

Borrowing lets a function read a value without taking ownership.

fn length(s: &String) -> usize {
    s.len()
}

fn main() {
    let text = String::from("hello");
    let n = length(&text);          // borrow, do not move
    println!("{} has {} bytes", text, n);
}

Errors are values, not exceptions. A function that can fail returns a Result, and the caller must handle it.

use std::fs;

fn read_config(path: &str) -> Result<String, std::io::Error> {
    fs::read_to_string(path)
}

fn main() {
    match read_config("config.txt") {
        Ok(text) => println!("{}", text),
        Err(e) => eprintln!("could not read file: {}", e),
    }
}

For a full introduction, read the official Rust book.

How does Rust compare with C++, Python and Go?

These are general characteristics, not benchmarks. Real performance depends on the workload and the code, so test your own case before you decide.

Thinking about Rust for a project? Tell us your workload and constraints, and we will help you decide whether it is the right choice. Get your project scoped

What are the pros and cons?

How do you start learning Rust?

1. Install Rust with the official installer and use Cargo for projects.
2. Read the Rust book and write the small examples yourself.
3. Build a small command-line tool that reads a file and prints a result.
4. Learn ownership and borrowing by reading compiler messages. They are detailed and helpful.
5. Add a web or WebAssembly project once the basics feel comfortable.
6. Join the community forum and read other people's crates.

When should you not choose Rust?

• A quick prototype or script where development speed matters most.
• A team with no time to learn it and no performance or safety need.
• A project that relies on a library that only exists in another language.

How Appic can help with Rust projects

Appic Softwares has built custom software since 2018, with offices in Jaipur (India), Frisco, Texas (USA) and Munich (Germany), and a 5.0 Clutch rating from 24 verified reviews. See our Rust development services and dedicated developers from India. Our average rate is about $35 per hour, and projects typically start around $10,000 for a focused scope. Appic is a publisher with a commercial interest, so run a pilot before a large commitment.

What changed from the earlier version of this post?

The July 2025 version cited the 2024 survey (83%), contained a duplicated comparison section and FAQ, listed unsourced statistics (70% of Windows vulnerabilities, 5 to 15% speedups, 10 to 15% of ransomware), claimed Rust has no null-pointer or data-race risk without mentioning unsafe code, linked a "Rust fork" FAQ to an unrelated crate and had no code. This update uses 2025 survey data and Android memory-safety data, adds code examples, a fair comparison and pros and cons, and removes unsourced claims and the malware section.

Ready to build with Rust? Share your workload and goals. We will reply with an approach, team options and a cost range. Talk to our team