SmartPref Pro vs Debertz 2.0
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+
Debertz 2.0
Experience a popular Ukrainian card game online or offline. Play with friends or AI, customize rules, and compete on a global leaderboard. Enjoy flexible game modes and player counts.
- Online and offline play
- Multiple game point options
- 2-4 player modes
- Customizable rules
- In-game chat
- Winner's table
- Design customization
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Debertz - is the Ukrainian version of the French card game Belot. It became popular in the 19th century in Kharkiv (Debchik), Odesa and Mariupol (Clabber). It currently has varieties in France, Bulgaria and Moldova. Play online with real people or AI! Main functions: ⁃ Online or offline game for 300, 500, 1000 points ⁃ Ability to play 2x2, 2x, 3x or 4x players ⁃ Possibility to adjust the rules yourself or try Kharkiv (Debchik), Odesa (Clabber) versions ⁃ Chat with players ⁃ Table of winners And more! Customize the design to your liking. Play in portrait or landscape mode with your left or right hand. Do you want to have fun? We invite you to play a game in Debertz! Terms and conditions: https://debertz.com/pages/terms_conditions.html
Screenshots
Verdict
The clearest difference is rating: SmartPref Pro at 4.8 against Debertz 2.0's 4.5. SmartPref Pro also leads on ratings volume (245 vs 22) and review sentiment (70% vs 57%). On price, update cadence, 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. SmartPref Pro sells 7 in-app purchases, starting at $4.99 per month and Debertz 2.0 sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
SmartPref Pro holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: SmartPref Pro has 245 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 70% of SmartPref Pro's written reviews are positive against 57% of Debertz 2.0's.
SmartPref Pro ships an update weekly, Debertz 2.0 every 6 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.
| Parameter | SmartPref Pro | Debertz 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (245 ratings) — better | 4.5 (22 ratings) |
| Positive reviews | 70.0% of reviews — better | 57.1% of reviews |
| Number of ratings | 245 — better | 22 |
| Update frequency | Weekly | Every 6 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 202 MB | 195 MB |
| Age rating | 17+ | 17+ |
| Developer | SmartPref OU | Yevhen Samoilov |
Customer experience
SmartPref Pro
Debertz 2.0
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
Debertz 2.0
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
Debertz 2.0
- Premium profile, monthly$2.991 Month
- Premium, billed yearly$19.991 Year
- Turn off ads$16.99
Questions
Is SmartPref Pro free?
Is Debertz 2.0 free?
Which has better reviews, SmartPref Pro or Debertz 2.0?
Do SmartPref Pro or Debertz 2.0 have ads?
Which is updated more often, SmartPref Pro or Debertz 2.0?
Other comparisons
