Mind Vision vs Calvin Chess Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mind Vision
This app helps users practice martial arts techniques and develop enhanced mental vision through blindfolded exercises. It aims to foster mind-body harmony and unlock extraordinary potential for martial artists and those seeking expanded mental horizons.
- Martial arts technique practice
- Mind-body harmony development
- Blindfolded vision exercises
- Spatial awareness enhancement
- Mental horizon expansion
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Unlock the power of your mind with Mind Vision! -Marpati Putih: Practice martial arts techniques that have been passed down through generations, unlocking the secrets of mind-body harmony. - Blindfolded Vision: Challenge yourself with blindfolded exercises, gradually sharpening your mental vision and enhancing your spatial awareness. Whether you're a martial artist, or someone seeking to expand their mental horizons, Mind Vision is your companion on the path to unlocking extraordinary potential. Download Mind Vision now and embark on a journey towards a heightened state of awareness and mastery!"
Calvin Chess Trainer
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Calvin Chess Trainer drills the skills that puzzles take for granted: seeing the whole board, and reading and finding squares and moves without thinking. Daily warm-up Five quick timed drills, about five minutes: find the checks, spot the loose pieces, find the forks, name squares from Black's side, then a mate in one. Vision • Find Checks: every check in a real game position • Find Captures: every capture on the board • Hanging Pieces: every undefended piece • Forks & Skewers: the squares that hit two targets • Knight Sight: every square a knight reaches • Knight Flight: the fewest moves to the target • Pawn Attack: slip past a wall of pawns • Mate in 1: 400 positions, one move to mate Notation • Squares: find the square, fast, from White's side or Black's • Files & Ranks: name every file and rank • Read Moves: read a move, then play it • Piece Letters: K, Q, R, B and N at a glance • Piece Values: which side comes out ahead? Opening Explorer Play through the openings with book moves, Stockfish hints and an evaluation bar. Practice your way • Practice at your own pace, or race the clock in timed rounds • Every drill remembers its setup, and Continue picks up where you left off • Results show the answers you missed • Personal bests, saved on your device • Squares and pieces spoken aloud as you play • Works offline No ads, no in-app purchases and no account. From Internut Education.
Screenshots
Verdict
The clearest difference is iOS requirement: Mind Vision at 13.0 against Calvin Chess Trainer's 15.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Mind Vision | Calvin Chess Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 170 MB |
| Age rating | 17+ | 4+ |
| Developer | Hussain Ruhullah | DAVID MARKLE |
In-app purchases
Mind Vision
No in-app purchases
Calvin Chess Trainer
No in-app purchases
Questions
Is Mind Vision free?
Is Calvin Chess Trainer free?
Do Mind Vision or Calvin Chess Trainer have ads?
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