2 Sides Challenge vs BrainParallel
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
2 Sides Challenge
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Think you have fast reflexes and sharp focus? Put both hands to the ultimate coordination test! 2 Sides Challenge is an addictive, fast-paced reflex and brain training puzzle game. Your goal is simple but demanding: connect matching shapes on both sides of the screen simultaneously before the timer runs out. As the clock ticks down and the pace accelerates, you'll need lightning-fast reaction speed and split-second hand-eye coordination. Whether you are left-handed, right-handed, or aiming for ambidexterity, this game will push both hemispheres of your brain to work together in complete harmony. KEY FEATURES: • Dual-Hand Reflex Challenge: Control both sides at once. Tap, swipe, and match shapes simultaneously using your left and right hands. • Reaction Speed & Brain Workout: Train your brain, sharpen focus, and boost your reaction time with progressively harder levels. • Race Against the Clock: Every millisecond matters. Stay calm under pressure and connect the pairs before time expires. • Hand-Eye Coordination Test: Challenge your dexterity and fine motor skills in an exciting arcade puzzle experience. • Global Leaderboards: Compete with players worldwide on Apple Game Center and climb to the top of the rankings. • Quick Pick-Up-and-Play: Easy to learn in seconds, endlessly challenging to master. Perfect for quick mental workouts anytime, anywhere! Train your reflexes. Test your coordination. Challenge your friends to beat your high score. Can you keep both sides under control? Download now and put your reaction speed to the test!
BrainParallel
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BrainParallel trains your brain's parallel processing by challenging you to draw with both hands simultaneously. • Mirror mode — Trace symmetric shapes in perfect sync • Trace mode — Follow dotted outlines with both hands at once • Free Draw mode — Draw shapes from memory, scored by accuracy Each level scores your accuracy, smoothness, and hand coordination. Progress through difficulties, complete daily challenges, and track your improvement over time. One-time purchase unlocks all levels and modes. No subscription, no ads. Terms of Use(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 2 Sides Challenge at none against BrainParallel's 1. BrainParallel's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support 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
Both are free to download. BrainParallel sells 1 one-off in-app purchase. 2 Sides Challenge asks for nothing beyond the download.
| Parameter | 2 Sides Challenge | BrainParallel |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmitrii Nikolaev | 晓飞 沈 |
In-app purchases
2 Sides Challenge
No in-app purchases
BrainParallel
- Lifetime Premium$2.99





