# Flux – Pure Reflex — Reaction Time & Speed Test > Minimalist reaction time game testing speed, focus, and reflexes with increasing difficulty. (iPhone/iPad app by Pieter Roelandt.) - Source: https://appshunter.io/ios/app/flux-pure-reflex/id6759459604 (this page in markdown: same URL + `.md`) - Developer: [Pieter Roelandt](https://appshunter.io/developer/1802672453) - Category: Games, Action, Casual - Price: Free with in-app purchases - Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 17 MB - Languages: English - Released: 2026-02-23 - Data updated: 2026-07-09 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/flux-pure-reflex/id6759459604/reviews.md ## What is Flux? How fast are your reflexes? Find out. Flux is a minimalist reaction time game designed to push your speed and focus to the limit. Tap the correct lane before tiles hit the bottom — and don't miss. One mistake and it's over. No ads interrupting your flow. No complex menus. No distractions. Just you, your reflexes, and rising pressure. WHY PLAYERS LOVE FLUX • Pure reaction gameplay — tap fast, stay focused, survive • Speed builds over time — the longer you last, the harder it gets • Instant restart — no loading screens, jump right back in • Buttery smooth performance with haptic feedback • Minimalist design that keeps you in the zone • Overlapping tile patterns that test your limits THREE INTENSITY MODES Classic — Learn the flow, build your skill Rush — Starts fast and only gets faster Hardcore — Smaller targets, maximum pressure UNLOCK PRO Take your training further with Pro mode: • Rush and Hardcore difficulty modes • Quad lane layout for elite players • Premium visual themes • Push your high score even higher BUILT FOR FOCUS Flux strips away everything unnecessary. No pop-ups. No energy systems. No waiting. Just a clean reflex challenge you can pick up in seconds and play for hours. Perfect for quick brain training sessions, warming up before gaming, or competing with friends for the fastest reaction time. How long can you stay in the flow? ## Key features - Minimalist reaction gameplay - Increasing speed and pressure - Instant restart - Haptic feedback - Three intensity modes - Pro mode with advanced features ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Flux Pro | Free | one-time | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/flux-pure-reflex/id6759459604/reviews.md ### 1/5 — Tf *2026-05-12* Y ## Frequently asked questions about Flux ### What is Flux? Flux is a minimalist reaction time game designed to test and improve your reflexes and focus. Players tap lanes to match falling tiles, with the speed and pressure increasing over time. ### Does Flux have ads? No, Flux is ad-free. The game is designed to avoid interruptions, allowing players to stay focused on the challenge. ### What are the game modes in Flux? Flux offers three intensity modes: Classic, Rush, and Hardcore. Rush starts fast and gets faster, while Hardcore features smaller targets for maximum pressure. ### Can I unlock more features in Flux? Yes, Flux offers an optional Pro mode that unlocks Rush and Hardcore difficulty modes, a quad lane layout, and premium visual themes for advanced training. ### Is Flux available on Android? Based on the provided data, Flux is currently supported on iPhone. Information regarding Android availability is not specified. ### How often is Flux updated? Flux was last updated on May 25, 2026, with version 1.6. This indicates a recent update, suggesting ongoing development and support. ### What is the age rating for Flux? Flux has an age rating of 4+, making it suitable for a wide range of players. ### What do players like about Flux? Players appreciate Flux for its pure reaction gameplay, smooth performance with haptic feedback, minimalist design that aids focus, and the challenge of overlapping tile patterns. ## Version history (last 5 releases) ### 2.5 — 2026-07-03 he Feel Update • Full 120Hz gameplay on ProMotion displays — smoother motion, faster response • Every tap now bursts with satisfying feedback • Missed a tile? The game rewinds to show you exactly which one ended your run • Calls and notifications now pause your run — tap to resume, no lost progress • Sprint mode gets a live progress bar • New launch experience and a smoother first-play tutorial • Bug fixes and performance improvements ### 1.6 — 2026-05-25 Two new themes, and your rank now lives on the home screen. • Aurora — a calm northern-lights atmosphere with drifting starlight. Unlocks at 75K Flux Points. • Tempest — a stormy night sky with rolling lightning. Unlocks at 250K Flux Points. • Rank at a glance — your leaderboard percentile is now shown directly under your best score on the home screen. No more wondering where you stand. • Fixes & polish — offline personal bests now reliably sync to Game Center when you're back online, scores render cleanly in every language, and iPad layouts are refined throughout. Thanks for playing Flux. ### 1.5 — 2026-05-13 Fixed a bug where tapping two tiles at once could incorrectly end your run. ### 1.3 — 2026-03-21 What's new in Flux 1.3: • Performance improvements and smoother gameplay • Bug fixes for a better experience • Refined visuals and polish Thanks for playing! If you enjoy Flux, please leave a rating — it helps a lot. ### 1.2 — 2026-03-17 Version 1.2 New: Daily Challenges A fresh challenge every day with unique modifiers like Speed Demon and Rapid Fire. Build your streak for bonus Flux points. New: Combos Chain perfect taps to build combos and multiply your score. New: Game Center Leaderboards Compete globally across all three game modes. New: Share Your Score Show off your best runs with a custom score card. Improved: Try premium modes free for your first 3 games. ## More apps by Pieter Roelandt - [PlateRater](https://appshunter.io/ios/app/platerater/id6743410120) - [Salah - Prayer & Qibla](https://appshunter.io/ios/app/salah-prayer-and-qibla/id6748558040) - [Focus Timer - Pomodoro](https://appshunter.io/ios/app/focus-timer-pomodoro/id6748560375) - [Weight Tracker - Simple Log](https://appshunter.io/ios/app/weight-tracker-simple-log/id6748574804) - [Habitue - Easy Habit Tracking](https://appshunter.io/ios/app/habitue-easy-habit-tracking/id6748765107) - [Forma Workout Journal](https://appshunter.io/ios/app/forma-workout-journal/id6755199313) All apps by Pieter Roelandt: https://appshunter.io/developer/1802672453 --- *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 2026-07-09.*