Comparison

Mystery Box vs Flash Reflex

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Mystery Box

Engage with intricate 3D boxes, solving puzzles by interacting with various elements to uncover hidden secrets. Each solved box reveals a piece of history about famous inventions.

Highlights
  • Interactive 3D boxes
  • Solve puzzles and riddles
  • Discover invention history
  • Realistic graphics
  • Thrilling background music
  • Hint system
Features
Read full description

Crack enigmas and discover the history of the world's most popular inventions! To unlock the boxes you have to interact with objects, handles, buttons, and wheels on each side. You can find puzzle pieces on a side of the boxes as well. • REALISTIC GRAPHICS It feels like you're handling a real box in a dark room. • DISCOVER INVENTIONS Once you open all 8 boxes of a level pack, you'll be able to compose a puzzle and find out a brief history of the discovered invention. • AMAZING PUZZLES Think outside of the box to solve all riddles, it's not always an easy job! • THRILLING BACKGROUND MUSIC Play the game with your headphones to get totally immersed in it! • HINTS Got stuck on some level? Tap the bulb button to get a helpful hint! ------------------------------------------------ XSGames is an independent solo startup from Italy. Find out more at xsgames.co Follow me @xsgames_ on both Twitter and Instagram

About

Flash Reflex

Read full description

Flash Reflex – The Ultimate Micro‑Decision Challenge How fast can you think? How quick can you react? In a world where every millisecond counts, Flash Reflex puts your brain to the test with lightning‑fast micro‑decisions. One second per choice. One mistake and your run ends. Can you beat your own reflexes? HOW IT WORKS You are presented with a random prompt: directions, maths, colors, traps, or logic. You have a limited time to choose the correct answer (5s Easy, 3s Medium, 1s Hard). Each correct answer increases your score and speeds up the timer. One wrong answer or timeout ends the game instantly. FEATURES 50+ unique prompts across 5 categories: Directions, Maths, Colors, Traps & Danger, Logic. 3 difficulty levels: Easy (5s), Medium (3s), Hard (1s) – for beginners to reflex masters. Global Leaderboard: Compete with players worldwide. Create your account and climb the ranks! Reaction Curve: Track your performance over time with detailed charts and stats. Training Mode: Practice without pressure. Infinite time, no game over, no score. Custom Themes: Choose from 5 visual themes – Cyber Rose, Light, Matrix Green, Sunset Synth, and Pastel Zen. 8 Languages: Fully translated in French, English, Spanish, Portuguese, German, Dutch, Arabic, and Russian. Haptic feedback & immersive sounds for every action. WHY PLAY FLASH REFLEX? Sharpen your reflexes – improve your reaction time with daily practice. Challenge yourself – each session is unique with random prompts. Compete globally – compare your score with players around the world. Relax & have fun – quick sessions, perfect for short breaks. Perfect for: Gamers who love reaction‑based challenges People who want to train their brain and reflexes Anyone looking for a quick, addictive, and fun mobile game Download now and prove your reflexes are the fastest! Privacy Policy : https://docs.google.com/document/d/1ygwc9S3f5vR7gpzfkWRQmr67x7x2H0ZpiBtMM8_HX4s/ Terms of Use (EULA) : https://docs.google.com/document/d/19g0k4xFXcY7jn1t7xVqGNRBOPLuF1gmh6QG8Wapkras/

Screenshots

Mystery Box4 screens
Flash Reflex4 screens

Verdict

The call

The clearest difference is ads: Mystery Box at none against Flash Reflex's shown. Flash Reflex's advantage is update cadence (daily vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Mystery Box sells 3 one-off in-app purchases and Flash Reflex sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mystery Box ships an update monthly, Flash Reflex daily. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 8 level
Mystery Box versus Flash Reflex: the parameters behind the verdict, then further details
ParameterMystery BoxFlash Reflex
PriceFreeFree
Rating4.2 (202 ratings) — better—
Positive reviews61.3% of reviews—
Number of ratings202 — better—
Update frequencyMonthlyDaily — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size131 MB52 MB
Age rating9+4+
DeveloperXSGamesYOUSSEF ZAOUIA

Bugs and requests

Mystery Box

Reported bugs

9 issues
  • Game crashes on startup
  • Progress lost after update
  • Missing graphics/interactive elements
  • Levels not registering as complete
  • Hints not working intermittently
Show 4 more
  • Purchase restore issues
  • Tutorial not working
  • Game freezes or becomes unresponsive
  • Unable to interact with certain puzzle elements

Requested features

6 requests
  • Add a storyline
  • More challenging puzzles
  • Better hint system (not just walkthroughs)
  • Progress saving across devices
  • Explain puzzle logic in hints
Show 1 more
  • Add more layers and parts to discover

Flash Reflex

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Mystery Box

One-time3
  • Premium$3.99
  • Premium + Coffee$4.99
  • Premium + Love$7.99
3 purchases

Flash Reflex

Subscriptions3
  • Flash Plus monthly$2.991 Month
  • Flash Gold monthly$3.991 Month
  • Flash Gold Yearly$34.991 Year

Questions

Is Mystery Box free?
Mystery Box is free to download, with in-app purchases available.
Is Flash Reflex free?
Flash Reflex is free to download, with in-app purchases available.
Do Mystery Box or Flash Reflex have ads?
Flash Reflex shows ads; Mystery Box does not.
Which is updated more often, Mystery Box or Flash Reflex?
Mystery Box ships an update monthly, and Flash Reflex daily. Most recently, Mystery Box was updated on October 27, 2026 and Flash Reflex on October 29, 2026.

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