Shell Game vs Psi Lab Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shell Game
Engage in a classic brain teaser that sharpens your observation skills. Follow the ball as it's hidden under shuffling cups, testing your focus and quick reflexes to advance through levels. Enjoy a visually appealing and relaxing gameplay experience designed for mental agility.
- Brain workout
- Sharpen observation skills
- Follow the ball under cups
- Increasing difficulty
- High detail graphics
- Smooth and fun gameplay
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Welcome to the amazing world of Entertainment. Shell game- Find the ball helps you in excellent brain workouts. The Amazing Art of this game will make you feel more relax and expose your imaginations by spinning the Ball under the cups. The magical cups swap location with each other. Before starting one Cup/thimble is marked and then all the Cups are mixed. The player should trace and choose the Cup that was containing the Ball. The ball is hiding under the Cups and you are required to find it with great efficiency. To win this challenge after you start the game you have to keep an eye on the shuffling of the cups. Keep your eyes open on moving cups and focus on the correct Cup. Their rotation and movement become faster and faster with the passage of time that will improve your observation ability. When the time out and cups stops shuffling, make your guess and pick the right cup. If you find out the correct cup, then you will go to the next level. If not, the game is over. The game requires your full attentiveness and consideration. The shell game is elegantly designed with the high flexibility adjustments, vivid colors, and exciting player options. Features: ● High details graphics ● Smooth, Easy, and fun to play ● Amazing and unique gameplay ● Just follow the ball inside the cups ● A game of skill and observation
Psi Lab Trainer
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Can you sense what you can't see? PsiLab brings classic parapsychology experiments to your iPhone with a beautiful, modern interface. Test your intuitive abilities using the same methods researchers have used for nearly a century — now redesigned for your pocket. MODERN ZENER TEST Guess which of five symbols is hidden on each card. Complete 25 trials in about two minutes and see how your results compare to chance. Instant visual and haptic feedback makes every guess satisfying. - Circle, Cross, Waves, Square, Star — the classic symbol set - Beautiful card animations and reveal effects - Immediate feedback on every trial - Clear progress tracking throughout each session RIGOROUS BY DESIGN PsiLab isn't just a game — it's built with scientific methodology at its core: - Cryptographically secure random number generation - Pre-commitment manifests for experimental integrity - Complete statistical analysis: hit rates, expected values, trial counts - Export your data as JSON for your own analysis - Every session logged with full transparency SEE YOUR RESULTS After each session, view comprehensive statistics: - Hit rate compared to chance expectation (20%) - Total correct guesses out of 25 trials - Response time tracking - Session history showing your patterns over time TRACK YOUR PROGRESS PsiLab remembers every session. Watch your cumulative statistics evolve across dozens or hundreds of experiments. Are there patterns? You decide. BUILT FOR EVERYONE Whether you're a curious skeptic, an open-minded explorer, or someone interested in the history of parapsychology research, PsiLab adapts to your level of interest. Casual users see clean, simple results. The deeper statistics are there when you want them. NO CLAIMS, JUST DATA PsiLab doesn't tell you that you have psychic abilities. It gives you your results honestly and lets you interpret them yourself. This is a tool for self-exploration and entertainment — a personal experiment under your control. Privacy focused: All your data stays on your device. No accounts required. No tracking. No ads. Start your first session in seconds. What will you discover?
Screenshots
Verdict
The clearest difference is device support: Shell Game at 3 against Psi Lab Trainer's 1. Shell Game also leads on iOS requirement (7.0 vs 26.1). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Shell Game | Psi Lab Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (15 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 15 — better | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 7.0 — better | 26.1 |
| Further details — not scored | ||
| Size | 75 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Mobitsolutions | Agam Brahma |
In-app purchases
Shell Game
No in-app purchases
Psi Lab Trainer
No in-app purchases









