ReichmanU vs 21 Sharp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReichmanU
Access university resources and information on the go. This app provides a convenient way for students and faculty to stay connected with campus life and academic services.
- Campus information access
- Student resources
- Faculty resources
- Stay connected to campus
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Reichman university in the palm of your hand, IDC mobile app for students and faculty.
21 Sharp
Master blackjack strategy and card counting with this professional-grade trainer. Learn optimal plays, practice counting systems, and track your progress with realistic simulations and reference guides. Reduce the house edge and gain a competitive advantage.
- Basic strategy training
- Card counting drills (Hi-Lo)
- Realistic practice table
- Reference guides
- Progress tracking and achievements
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Turn the odds in your favor. 21 Sharp is a professional-grade blackjack trainer that teaches you basic strategy and card counting—the same techniques used by advantage players to beat the house. BASIC STRATEGY TRAINING Learn the mathematically optimal play for every possible hand. Our quiz system drills you on 270+ hand combinations until perfect strategy becomes second nature. Reduce the house edge to just 0.5%. CARD COUNTING DRILLS Master the Hi-Lo counting system with speed-building exercises. Track running counts, calculate true counts, and learn when to increase your bets. Practice until you can count down a full shoe with accuracy. PRACTICE TABLE Play realistic blackjack hands with real-time strategy hints. See the running count, get recommendations for every decision, and learn from your mistakes without risking real money. REFERENCE GUIDES Access complete basic strategy charts and a comprehensive Hi-Lo counting guide anytime. Perfect for quick review before hitting the casino. TRACK YOUR PROGRESS Unlock 25+ achievements as you improve. Monitor your accuracy, streaks, and stats across all training modes. Watch yourself transform from beginner to sharp. Whether you're preparing for Vegas, want to impress at home games, or just love the math behind the game, 21 Sharp gives you the edge. Play Sharp. Win Sharp.
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Verdict
The clearest difference is rating: 21 Sharp at 5.0 against ReichmanU's 3.9. ReichmanU's advantage is in-app purchases (none vs 1) and ratings volume (8 vs 1). 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. 21 Sharp sells 1 one-off in-app purchase. ReichmanU asks for nothing beyond the download.
21 Sharp holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: ReichmanU has 8 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | ReichmanU | 21 Sharp |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 105 MB | 1 MB |
| Age rating | 4+ | 12+ |
| Developer | Mobitti Ltd. | busyslacker llc |
Customer experience
ReichmanU
21 Sharp
In-app purchases
ReichmanU
No in-app purchases
21 Sharp
- 21 Sharp Premium$2.99
