SmartPref Pro vs Sumo Kyogin!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SmartPref Pro
Learn, practice, and play the card game Preferans against bots or friends. Offers a free version with essential features and a premium subscription for advanced options like online play and custom rules. Suitable for all skill levels.
- Single player bot game
- Learn Preferans with a short course
- Preferans puzzles (Misere of the Day)
- Advanced convention settings
- Online play with friends or bots
- Public ratings and leaderboards
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Single player bot game does not require internet and remains free. Advanced convention settings and online game with friends or pro-bots is provided with a free trial period. Never played Preferans but want to learn? Do you play well but would you like to play better? Are you playing like a pro and want some real competition? Smartpref Pro is suitable for everyone who is interested in Preferans. Practice, or play with your friends over the Internet! This is what you get for free: * Game practice * Short course on Preferans * Misere of the Day - collection of preferans puzzles * User-friendly interface * Balanced bot algorithm Advanced features of Smartpref Pro - flexible settings for the conventions of Sochi, Leningrad or Rostov, two, three or four players, a wide selection of playing decks, including Atlasnie and German, play online with friends or pro-bots, public ratings, leaders board and much more is available by subscription with a free trial period of 3 days. IRGS rating: 18+
Sumo Kyogin!
Train your wrestler, enhance their stats, and compete in matches to rise through the ranks. Unlock new abilities and track your progress as you strive to become the strongest fighter in the arena. This game offers simple yet challenging gameplay.
- Train and upgrade fighter
- Battle opponents
- Climb the ranks
- Track progress and streaks
- Unlock new abilities
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Enter the world of Sumo Kyogin Clash. Train your wrestler, increase your stats, and climb the ranks to become the strongest in the arena. Every match brings new challenges as you improve your strength, agility, and endurance. • Train and upgrade your fighter • Battle opponents and climb the ladder • Track your progress and daily streak • Unlock new abilities and grow stronger Simple to learn, challenging to master. Step into the ring and become the Kyogin.
Screenshots
Verdict
The clearest difference is price: SmartPref Pro at Free against Sumo Kyogin!'s $1.99. SmartPref Pro also leads on ratings volume (247 vs 1). Sumo Kyogin!'s advantage is ads (none vs shown) and review sentiment (100% vs 69%). On update cadence, in-app purchases, device support and iOS requirement 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
SmartPref Pro is free to download; Sumo Kyogin! costs $1.99 up front. SmartPref Pro sells 7 in-app purchases, starting at $4.99 per month and Sumo Kyogin! sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Sumo Kyogin! holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: SmartPref Pro has 247 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 69% of SmartPref Pro's written reviews are positive against 100% of Sumo Kyogin!'s.
SmartPref Pro ships an update weekly, Sumo Kyogin! every 5 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.
| Parameter | SmartPref Pro | Sumo Kyogin! |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.8 (247 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 69.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 247 — better | 1 |
| Update frequency | Weekly | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 202 MB | 8 MB |
| Age rating | 17+ | 4+ |
| Developer | SmartPref OU | Jason Van Geem |
Customer experience
SmartPref Pro
Sumo Kyogin!
Bugs and requests
SmartPref Pro
Reported bugs
21 issues- Statistics reset after update
- Game freezes after draw
- Card display glitches
- Frequent crashes
- Game interruptions/freezing
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- Settings reset
- Russian language missing after reinstall
- Paid version broken without WiFi
- Game not starting
- Unrealistic deal generation
- Bots see all cards
- Learning mode not working
- Paid version reverts to free without internet
- Game crashes on распасах
- Animation is jerky
- Card dragging is difficult
- Tap detection issues
- Random number generator is bad
- Bullet length not fixed
- Cannot change password
- Paid version not purchasable
Requested features
9 requests- Option to buy without subscription
- Single purchase option
- Translate chat between languages
- Easier way to add players to private tables
- Add Serbian/Greek variants
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- Extend game time or get more lives by winning
- Fix paid version to work offline
- Fix bug with Russian language after reinstall
- Make chat translate to English from Russian and vice versa
Sumo Kyogin!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SmartPref Pro
- Conventions, Decks, Online3 Days trial$4.991 Month
- Conventions, Decks, Online3 Days trial$17.996 Months
- Small Credits Pack$2.99
- Medium Credits Pack$4.99
- 450 Energy$6.99
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- Large Credits Pack$12.99
- Premium Credits Pack$24.99
Sumo Kyogin!
- Rice Bowls$0.99
- Fish Bowl$0.99
- Bulk Pack$4.99
Questions
Is SmartPref Pro free?
Is Sumo Kyogin! free?
Which has better reviews, SmartPref Pro or Sumo Kyogin!?
Do SmartPref Pro or Sumo Kyogin! have ads?
Which is updated more often, SmartPref Pro or Sumo Kyogin!?
Other comparisons
