NextDigit vs Reverse Reaction!
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
NextDigit
Read full descriptionHide full description
Think fast. Solve faster. Next Digit is a fast-paced math puzzle game that pushes your mental speed and accuracy to the limit. Tackle quick math challenges, improve your reaction time, and build your streak as the difficulty increases. Features: โข Smooth and responsive gameplay โข Multiple difficulty levels โข Instant feedback for every answer โข High score tracking โข Minimal, distraction-free design Perfect for quick sessions or long streaks, Next Digit keeps your brain active and engaged.
Reverse Reaction!
Read full descriptionHide full description
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: NextDigit at none against Reverse Reaction!'s 8. NextDigit also leads on ads (none vs shown). On price, device support and iOS requirement 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. NextDigit asks for nothing beyond the download.
| Parameter | NextDigit | Reverse Reaction! |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Every 5 months |
| Ads | No โ better | 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 | 21 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | BK Kejera | Percy Ng'uni |
In-app purchases
NextDigit
No in-app purchases
Reverse Reaction!
- Space Theme$0.99
- Sketch Theme$0.99
- Deep Sea Theme$0.99
Show 5 moreShow fewer
- Retro Theme$0.99
- Remove Ads Forever$1.99
- 500 Coins$1.99
- Remove Ads$3.00
- 1000 Coins$4.99









