# SmartPref Pro vs Sumo Kyogin!

The clearest difference is price: SmartPref Pro at Free against Sumo Kyogin!'s $1.99. SmartPref Pro also leads on ratings volume (249 vs 2). 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.

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 249 ratings behind it against 2, 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. Both last shipped on October 24, 2026.

## The numbers

| Metric | SmartPref Pro | Sumo Kyogin! |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.8 (249 ratings)](https://appshunter.io/ios/app/smartpref-pro/id1486093981/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sumo-kyogin/id6762895307/reviews)** |
| Number of ratings | **249** | 2 |
| Positive reviews | 69.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 202 MB | 8 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SmartPref OU](https://appshunter.io/developer/993408294) | [Jason Van Geem](https://appshunter.io/developer/1885619974) |

## What reviewers say

### SmartPref Pro

[App page](https://appshunter.io/ios/app/smartpref-pro/id1486093981)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Conventions, Decks, Online | $4.99 | per month |
| Conventions, Decks, Online | $17.99 | per 6 months |
| Small Credits Pack | $2.99 | one-time |
| Medium Credits Pack | $4.99 | one-time |
| 450 Energy | $6.99 | one-time |
| Large Credits Pack | $12.99 | one-time |
| Premium Credits Pack | $24.99 | one-time |

**What reviewers like**

- 👍🏽 Free version appreciated
- 👍🏽 Excellent game logic
- 👍🏽 Good for practice
- 👍🏽 Smart bots
- 👍🏽 Operative support

**What reviewers complain about**

- 🐛 Frequent crashes/freezing
- 🐛 Statistics reset after update
- 🐛 Game limits/energy system
- 🐛 Paid version issues offline
- 🐛 Inconsistent bot behavior

**Reported bugs**

- Statistics reset after update
- Game freezes after draw
- Card display glitches
- Frequent crashes
- Game interruptions/freezing

**Requested features**

- Option to buy without subscription
- Single purchase option
- Translate chat between languages
- Easier way to add players to private tables
- Add Serbian/Greek variants


### Sumo Kyogin!

[App page](https://appshunter.io/ios/app/sumo-kyogin/id6762895307)

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.

**Highlights:** Train and upgrade fighter, Battle opponents, Climb the ranks, Track progress and streaks, Unlock new abilities

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rice Bowls | $0.99 | one-time |
| Fish Bowl | $0.99 | one-time |
| Bulk Pack | $4.99 | one-time |


## Frequently asked questions

### Is SmartPref Pro free?

SmartPref Pro is free to download, with in-app purchases available.

### Is Sumo Kyogin! free?

Sumo Kyogin! costs $1.99, and also offers in-app purchases.

### Which has better reviews, SmartPref Pro or Sumo Kyogin!?

Sumo Kyogin! is rated higher. SmartPref Pro averages 4.8 out of 5 from 249 ratings, while Sumo Kyogin! averages 5.0 from 2 ratings.

### Do SmartPref Pro or Sumo Kyogin! have ads?

SmartPref Pro shows ads; Sumo Kyogin! does not.

### Which is updated more often, SmartPref Pro or Sumo Kyogin!?

SmartPref Pro ships an update weekly, and Sumo Kyogin! every 5 days. Most recently, SmartPref Pro was updated on October 24, 2026 and Sumo Kyogin! on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*