# JhongCalc vs JONGLOG

The clearest difference is ads: JONGLOG at none against JhongCalc's shown. JONGLOG also leads on update cadence (every 3 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. JhongCalc sells 1 one-off in-app purchase and JONGLOG sells 7 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

JhongCalc ships an update every 7 months, JONGLOG every 3 days. The most recent releases landed on September 22, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | JhongCalc | JONGLOG |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 85 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STUDIO-KURA](https://appshunter.io/developer/289946976) | [RaVious Inc.](https://appshunter.io/developer/1439070044) |

## 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 |


### JONGLOG

[App page](https://appshunter.io/ios/app/jonglog/id6748887501)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Supporter | $3.99 | per month |
| 100 Premium Coins | $0.99 | one-time |
| 500 Premium Coins | $3.99 | one-time |
| 1,000 Premium Coins | $7.99 | one-time |
| 3,000 Premium Coins | $22.99 | one-time |
| 5,000 Premium Coins | $34.99 | one-time |
| 10,000 Premium Coins | $59.99 | one-time |


## Frequently asked questions

### Is JhongCalc free?

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

### Is JONGLOG free?

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

### Do JhongCalc or JONGLOG have ads?

JhongCalc shows ads; JONGLOG does not.

### Which is updated more often, JhongCalc or JONGLOG?

JhongCalc ships an update every 7 months, and JONGLOG every 3 days. Most recently, JhongCalc was updated on September 22, 2026 and JONGLOG on September 5, 2026.

---

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