# MJ DB vs 麻雀計分器 (mjcal)

The clearest difference is in-app purchases: 麻雀計分器 (mjcal) at none against MJ DB's 1. 麻雀計分器 (mjcal) also leads on update cadence (daily vs every 2 days) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. MJ DB sells 1 one-off in-app purchase. 麻雀計分器 (mjcal) asks for nothing beyond the download.

MJ DB ships an update every 2 days, 麻雀計分器 (mjcal) daily. The most recent releases landed on September 20, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | MJ DB | 麻雀計分器 (mjcal) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 28 MB | 68 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [wilson chung](https://appshunter.io/developer/564506285) | [fishball.app](https://appshunter.io/developer/1803454505) |

## What reviewers say

### MJ DB

[App page](https://appshunter.io/ios/app/mj-db/id6759273739)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 麻雀計分器 (mjcal)

[App page](https://appshunter.io/ios/app/mjcal/id6771811874)

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

**In-app purchases:** none


## Frequently asked questions

### Is MJ DB free?

MJ DB is free to download, with in-app purchases available.

### Is 麻雀計分器 (mjcal) free?

麻雀計分器 (mjcal) is free to download, with no in-app purchases.

### Do MJ DB or 麻雀計分器 (mjcal) have ads?

Neither MJ DB nor 麻雀計分器 (mjcal) shows ads.

### Which is updated more often, MJ DB or 麻雀計分器 (mjcal)?

MJ DB ships an update every 2 days, and 麻雀計分器 (mjcal) daily. Most recently, MJ DB was updated on September 20, 2026 and 麻雀計分器 (mjcal) on June 7, 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.*