# JhongCalc vs 2画面ライト

The clearest difference is in-app purchases: 2画面ライト at none against JhongCalc's 1. 2画面ライト also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. JhongCalc sells 1 one-off in-app purchase. 2画面ライト asks for nothing beyond the download.

JhongCalc ships an update every 7 months, 2画面ライト every 11 months. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | JhongCalc | 2画面ライト |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/jhongcalc/id1067494143/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 5 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tahito Aoki](https://appshunter.io/developer/289946976) | [Takaaki Sasaki](https://appshunter.io/developer/525616408) |

## What reviewers say

### JhongCalc

[App page](https://appshunter.io/ios/app/jhongcalc/id1067494143)

This utility app enhances the Japanese Mahjong experience by acting as a score display, calculator, and sheet manager. It offers strategic insights, automatic score calculation, and customizable rules. Export score sheets for further analysis.

**Highlights:** Score display with rank and score difference, Automatic score calculation, Multiple input methods for scores, Voice guidance for rounds, Record and sort score sheets, Customizable game rules, Export score sheets in CSV format

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Limitations | $7.99 | one-time |


### 2画面ライト

[App page](https://appshunter.io/ios/app/2/id1439148482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JhongCalc free?

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

### Is 2画面ライト free?

2画面ライト is free to download, with no in-app purchases.

### Do JhongCalc or 2画面ライト have ads?

JhongCalc shows ads; 2画面ライト does not.

### Which is updated more often, JhongCalc or 2画面ライト?

JhongCalc ships an update every 7 months, and 2画面ライト every 11 months. Most recently, JhongCalc was updated on October 17, 2026 and 2画面ライト on October 2, 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.*