# BridgeAssistantCalc vs Koi Mahjong

The clearest difference is price: Koi Mahjong at Free against BridgeAssistantCalc's $0.99. Koi Mahjong also leads on update cadence (every 3 weeks vs every 28 months). BridgeAssistantCalc's advantage is in-app purchases (none vs 9) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Koi Mahjong is free to download; BridgeAssistantCalc costs $0.99 up front. Koi Mahjong sells 9 in-app purchases, starting at $1.99 per 7 days. BridgeAssistantCalc asks for nothing beyond the download.

BridgeAssistantCalc ships an update every 28 months, Koi Mahjong every 3 weeks. The most recent releases landed on October 26, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BridgeAssistantCalc | Koi Mahjong |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.9 (12K ratings)](https://appshunter.io/ios/app/koi-mahjong-solitaire-game/id6748625842/reviews)** |
| Number of ratings | — | **12K** |
| Positive reviews | — | 98.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 28 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 223 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jacques Mouysset](https://appshunter.io/developer/989757880) | [Tap Q Games](https://appshunter.io/developer/1455433962) |

## What reviewers say

### BridgeAssistantCalc

[App page](https://appshunter.io/ios/app/bridgeassistantcalc/id1131020846)

**Features:** macOS Compatibility

**In-app purchases:** none


### Koi Mahjong

[App page](https://appshunter.io/ios/app/koi-mahjong-solitaire-game/id6748625842)

This tile-matching puzzle game offers a relaxing solitaire experience with large, easy-to-see tiles and an intuitive interface. It features classic gameplay with thousands of levels, offline play, and a unique two-player mode for shared challenges.

**Highlights:** Senior-friendly design with large tiles, Classic Mahjong solitaire gameplay, Thousands of unique levels, Offline play supported, Two-player cooperative mode, Mentally stimulating puzzles

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Remove (Weekly) | $1.99 | per 7 days |
| Ad Remove (Monthly) | $3.99 | per month |
| Basic Coin Mini | $0.99 | one-time |
| Basic Coin Petite | $1.99 | one-time |
| Basic Coin Small | $2.99 | one-time |
| Basic Coin Medium | $4.99 | one-time |
| AD Remove | $5.99 | one-time |
| Basic Coin Large | $9.99 | one-time |
| Basic Coin Huge | $19.99 | one-time |

**What reviewers like**

- 👍 Great game
- 🚀 Very smooth
- 💡 Elevates stress and makes games fun

**What reviewers complain about**

- 🐛 No issues mentioned

**Reported bugs**

- No bugs mentioned

**Requested features**

- No feature requests mentioned


## Frequently asked questions

### Is BridgeAssistantCalc free?

BridgeAssistantCalc costs $0.99, with no in-app purchases.

### Is Koi Mahjong free?

Koi Mahjong is free to download, with in-app purchases available.

### Do BridgeAssistantCalc or Koi Mahjong have ads?

Koi Mahjong shows ads; BridgeAssistantCalc does not.

### Which is updated more often, BridgeAssistantCalc or Koi Mahjong?

BridgeAssistantCalc ships an update every 28 months, and Koi Mahjong every 3 weeks. Most recently, BridgeAssistantCalc was updated on October 26, 2026 and Koi Mahjong on November 6, 2026.

---

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