# RBX Companion - Calculator — RBX to USD Calculator > Robux to USD conversion calculator with DevEx and buy rates. (iPhone/iPad app by Samuel Drozdov.) - Source: https://appshunter.io/ios/app/rbx-companion-calculator/id1537586439 (this page in markdown: same URL + `.md`) - Developer: [Samuel Drozdov](https://appshunter.io/developer/903020008) - Category: Utilities, Games - Price: Free - Rating: 3.91/5 from 35 App Store ratings · 17 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 1 MB - Languages: English - Released: 2020-10-28 - Data updated: 2026-07-19 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/rbx-companion-calculator/id1537586439/reviews.md ## What is RBX Companion? A simple way to calculate the conversion rate between Robux and US Dollars. FEATURES • Simple conversion calculator (DevEx Rate and Buy Rate) • Light and dark mode Made with love by Super Biz •••••• DISCLAIMER This app is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Roblox Corporation. The name, logo, and other information are used in accordance with the Roblox Corporation guidelines: https://en.help.roblox.com/hc/en-us/articles/115001708126-roblox-name-and-logo-community-usage-guidelines. ## Key features - Robux to USD conversion - DevEx rate calculation - Buy rate calculation - Light and dark mode ## Recent user reviews (10 of 17) All indexed reviews: https://appshunter.io/ios/app/rbx-companion-calculator/id1537586439/reviews.md ### 5/5 — Great App *2025-03-24, version 1.1* This app provides exactly what the title describes, with no ads or payments involved. Works perfectly ### 4/5 — I DON’T KNOW HOW *2024-09-15, version 1.1* Someone tell me how to redeem robux please ### 5/5 — Great calculator! *2024-07-06, version 1.1* Not confused at all, the calculations are all correct, nothing is wrong with this app!! Five stars ### 5/5 — it’s amazing *2022-08-23, version 1.0* i re sell and sell limiteds and have been looking for a good calculator and this one’s spot on also i never realized how cheap robux to real cash was ### 5/5 — I’m a little confused •_• *2022-07-10, version 1.0* So I downloaded this app and I was like “how do I use this???” So I came here to ask how do u use this please and thank you •v• ### 1/5 — 🤬Doesnt work 🤬 *2022-03-18, version 1.0* This game is so useless. I wish that there was a option to put zero stars on this. Worst app. If you're reading this, DO NOT INSTALL. It said that 1000 robux was 2 dollars..... WRONG. 🔥 ### 4/5 — Good, but *2022-01-24, version 1.0* It is good for finding out how much robux you can buy but you have to go to google and calculate USD to other money if ur in another country. ### 5/5 — Wired *2021-07-08, version 1.0* This would work in If I knew how to work it lamo go app 😂 ### 1/5 — It’s horrible *2021-02-21, version 1.0* So when I downloaded this app I thought I can get as much robux as I want but you have to calculate like what’s the point of this anyway ### 5/5 — Simple and easy *2020-10-28, version 1.0* Once you have this app installed it will be your immediate go to for calculating USD to Robux and vice versa. ## Frequently asked questions about RBX Companion ### What is RBX Companion used for? RBX Companion is a utility app designed to help users quickly calculate the conversion rate between Robux and US Dollars. It specifically supports both the DevEx rate and the buy rate for accurate estimations. ### Is RBX Companion free to use? Yes, RBX Companion is completely free to download and use. There are no in-app purchases or advertisements within the application. ### What conversion rates does RBX Companion offer? RBX Companion provides calculations for both the DevEx (Developer Exchange) rate, which is relevant for developers cashing out Robux, and the standard buy rate for purchasing Robux. ### Does RBX Companion have a dark mode? Yes, RBX Companion includes a dark mode option, allowing users to switch between a light and dark interface for better viewing comfort in different lighting conditions. ### What devices is RBX Companion available on? RBX Companion is available for iPhone, iPad, and iPod touch devices. It is designed for iOS users. ### How often is RBX Companion updated? The app was last updated on November 14, 2022, with version 1.1. While specific update frequency isn't detailed, this indicates it receives maintenance and feature updates. ### What is the age rating for RBX Companion? RBX Companion has an age rating of 4+, making it suitable for a wide range of users, including younger Roblox players and their parents. ### Is RBX Companion affiliated with Roblox? No, RBX Companion is not affiliated with, associated with, authorized, endorsed by, or in any way officially connected with the Roblox Corporation. It is a third-party utility app. ## Version history (last 2 releases) ### 1.1 — 2022-11-14 Bug fixes! ### 1.0 — 2020-10-28 No release notes. ## Apps similar to RBX Companion | App | Rating | Price | Category | | --- | --- | --- | --- | | [Rsbux](https://appshunter.io/ios/app/rsbux/id6752799204) | 5.0 (2) | Free | Utilities | | [Robez](https://appshunter.io/ios/app/robez/id6756973933) | 2.3 (6) | Free | Utilities | | [Mqbux](https://appshunter.io/ios/app/mqbux/id6761297959) | — | Free | Utilities | | [Rexlzz](https://appshunter.io/ios/app/rexlzz/id6751433945) | 1.2 (17) | Free | Utilities | | [Ldbux](https://appshunter.io/ios/app/ldbux/id6761268006) | — | Free | Utilities | | [Kobux](https://appshunter.io/ios/app/kobux/id6760904130) | — | Free | Utilities | ## More apps by Samuel Drozdov - [Medcode – ICD-10 Reference](https://appshunter.io/ios/app/medcode-icd-10-reference/id6480350084) - [Sigcode – Pharmacy Sig Codes](https://appshunter.io/ios/app/sigcode-pharmacy-sig-codes/id6504735301) All apps by Samuel Drozdov: https://appshunter.io/developer/903020008 ## Related topics [rbx calculator](https://appshunter.io/ios/topics/rbx-calculator) · [rbx counters robox calculator](https://appshunter.io/ios/topics/rbx-counters-robox-calculator) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-19.*