Delta Executor is a free, third-party Roblox script executor for Android, iOS and PC (through an emulator). It is a modified Roblox app with a built-in editor that runs custom Lua (Luau) scripts inside games. It is popular because it works on phones, but it is not made by Roblox and using it breaks the Roblox Terms of Use.
Delta Executor in Simple Words
Every Roblox game is made of scripts written in Luau, Roblox's version of the Lua programming language. Normally only the game's creator decides which scripts run. A script executor is a tool that lets a player run extra scripts on their own device while playing.
Delta is one of those tools. It looks and feels like the normal Roblox app, but it adds a floating Δ button. Tap it and you get an editor where you can paste a script and press Execute.
How Does Delta Executor Work?

- Modified Roblox client Delta is built on top of the Roblox mobile app, which is why its version matches Roblox's (for example v2.743).
- Script editor You paste or choose a Luau script inside Delta.
- Execution Delta runs that script on your side of the game, with access to what your game client can see.
- Result The script might show a custom menu, change your camera, automate an action or print information.
Because scripts run on your device, what they can do depends on the game. Well-made games check important actions on the server, which limits what client-side scripts can change.
Quick Facts About Delta

| Fact | Details |
|---|---|
| Type | Roblox script executor (exploit) |
| Also called | Delta X, Delta Roblox executor |
| Platforms | Android, iOS/iPadOS, Windows via emulator |
| Script language | Luau (Roblox Lua) |
| Price | Free with a key system |
| Made by | Independent Delta team (not Roblox) |
| Allowed by Roblox? | No — against the Terms of Use |
What Do People Use Delta Executor For?
- Custom interfaces — extra menus, stats or camera tools.
- Automation — repeating boring actions in simulator-style games.
- Learning Luau — seeing how scripts interact with a live game.
- Testing — some creators test how their own experiences react to exploits.
Some uses spoil the game for others, and game developers spend a lot of effort stopping them. That is part of why Roblox bans exploiting.
Why Is Delta So Popular?
For years most executors were Windows-only. When Roblox introduced the Hyperion (Byfron) anti-tamper system on its Windows client, many PC executors shut down. Mobile clients became the easier path, and Delta offered a clean, fast mobile executor with a free key system and quick updates. Today it is one of the best-known executors on Android and iOS.
Executor Terms Explained
Guides and Discord servers use a lot of jargon. Here is what the most common terms mean:
| Term | Meaning |
|---|---|
| Executor | A tool that runs custom scripts inside a Roblox game on your device. |
| Luau | Roblox's version of the Lua language that games and scripts are written in. |
| Script hub | A searchable library of community scripts, built into Delta. |
| Key system | Free checkpoints that give you a time-limited key to unlock the executor. |
| Auto-execute | Runs chosen scripts automatically whenever a game loads. |
| UNC / sUNC | Community tests that check how many standard executor functions a tool supports; higher usually means more scripts work. |
| Hyperion (Byfron) | Roblox's anti-tamper system, first added to the Windows client. |
| APK / IPA | App files for Android (APK) and iOS (IPA) installed outside the official stores. |
| Sideloading | Installing an app from a file instead of an app store. |
| Obfuscated script | Code deliberately made unreadable — a warning sign if the author is unknown. |
A Short History of Delta
Delta grew in popularity as Roblox's Windows anti-tamper made many PC executors stop working, pushing players towards mobile tools. Delta focused on a polished Android executor, later added an iOS version, and built a large community around its Discord server and free key system. Its update rhythm still follows Roblox: each Roblox release is followed by a matching Delta build, which is why its version numbers look like Roblox's.
Risks You Should Know
- Account bans — Roblox can ban any account used with an executor.
- Fake downloads — copycat “Delta” files can contain malware.
- Untrusted scripts — a script can do anything your account can do in a game.
Our full Delta safety check explains each risk and how to reduce it.
How to Get Started
If you decide to try it, start with the right guide for your device — Android APK, iPhone and iPad or PC — then learn the basics in how to use Delta Executor. Curious how it compares to others? Read Delta vs other executors.
Frequently Asked Questions
What is Delta Executor in Roblox?
Delta Executor is a third-party Roblox script executor for Android, iOS and PC (via emulator). It lets players run custom Lua scripts inside Roblox games from a built-in editor.
Who made Delta Executor?
Delta is made by an independent development team, not by Roblox Corporation. It is distributed through its own official website and Discord community.
Is Delta Executor allowed in Roblox?
No. Running exploits breaks the Roblox Terms of Use, and accounts can be banned.
Is Delta Executor the same as Delta X?
Yes. “Delta X” is a name used for the same Delta executor, especially for its mobile builds.