Stroopy vs Reverse Reaction!
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Stroopy
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Stroopy is a challenging puzzle game inspired by the famous Stroop effect from psychology. Test and improve your cognitive flexibility, focus, and reaction time through short, engaging challenges designed to push your brain to its limits. Features: โข Brain-training puzzles based on the Stroop effect โข Improve attention, focus, and reaction speed โข Simple design, challenging gameplay โข Ideal for short daily training sessions Can you stay focused when colors and words donโt match?
Reverse Reaction!
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Your instincts are WRONG. That's the whole game. Opposite Day! flips everything you know about reaction games. The screen says TAP โ so you don't. It says DON'T TAP โ so you do. Simple to understand, hilariously hard to actually do. HOW IT WORKS โข Read the instruction โข Do the EXACT OPPOSITE โข Do it fast โ hesitate and you lose a heart Tap, hold, and swipe your way through levels that get faster, trickier, and sneakier. Just when you think you've rewired your brain, the game flips the rules again. WHY YOU'LL LOVE IT (AND HATE IT) โข One-hand, one-minute rounds โ perfect for queues, commutes, and "one more try" spirals โข Levels that escalate from "easy" to "how did I fail THAT" โข 3 hearts per run โ every mistake counts โข TODAY'S TRICK โ a fresh daily challenge to keep your brain on its toes โข Clean, hand-drawn notebook style with zero clutter TRAIN YOUR BRAIN BY BREAKING IT Opposite Day! isn't just about speed โ it's about impulse control. Suppressing your first reaction and doing the reverse is a genuine mental workout. You'll feel your brain fighting you. That's the point. Easy to learn. Impossible to master. Infuriatingly fun. Think backwards. React smarter. Play Opposite Day! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Stroopy at none against Reverse Reaction!'s 8. On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Reverse Reaction! sells 8 one-off in-app purchases. Stroopy asks for nothing beyond the download.
Stroopy ships an update every 3 months, Reverse Reaction! every 5 months. Both last shipped on October 31, 2026.
| Parameter | Stroopy | Reverse Reaction! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months โ better | Every 5 months |
| Ads | Yes | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details โ not scored | ||
| Size | 28 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | OLE WebDesign | Percy Ng'uni |
In-app purchases
Stroopy
No in-app purchases
Reverse Reaction!
- Space Theme$0.99
- Sketch Theme$0.99
- Deep Sea Theme$0.99
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- Retro Theme$0.99
- Remove Ads Forever$1.99
- 500 Coins$1.99
- Remove Ads$3.00
- 1000 Coins$4.99
Questions
Is Stroopy free?
Is Reverse Reaction! free?
Do Stroopy or Reverse Reaction! have ads?
Which is updated more often, Stroopy or Reverse Reaction!?
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