# 鋤D計分器 (Big2Cal) vs MJ DB

The clearest difference is update cadence: MJ DB at every 2 days against 鋤D計分器 (Big2Cal)'s every 7 months. 鋤D計分器 (Big2Cal)'s advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 鋤D計分器 (Big2Cal) sells 2 one-off in-app purchases and MJ DB sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

鋤D計分器 (Big2Cal) ships an update every 7 months, MJ DB every 2 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 鋤D計分器 (Big2Cal) | MJ DB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 46 MB | 28 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fishball Ltd](https://appshunter.io/developer/1803454505) | [wilson chung](https://appshunter.io/developer/564506285) |

## What reviewers say

### 鋤D計分器 (Big2Cal)

[App page](https://appshunter.io/ios/app/d-big2cal/id6743653589)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 24h Pass | $1.99 | one-time |
| Lifetime Pass | $6.99 | one-time |


### 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 |


## Frequently asked questions

### Is 鋤D計分器 (Big2Cal) free?

鋤D計分器 (Big2Cal) is free to download, with in-app purchases available.

### Is MJ DB free?

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

### Do 鋤D計分器 (Big2Cal) or MJ DB have ads?

Neither 鋤D計分器 (Big2Cal) nor MJ DB shows ads.

### Which is updated more often, 鋤D計分器 (Big2Cal) or MJ DB?

鋤D計分器 (Big2Cal) ships an update every 7 months, and MJ DB every 2 days. Most recently, 鋤D計分器 (Big2Cal) was updated on October 14, 2026 and MJ DB on October 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.*