# JhongCalc vs DayTimer

The clearest difference is in-app purchases: DayTimer at none against JhongCalc's 1. DayTimer also leads on update cadence (every 3 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. JhongCalc sells 1 one-off in-app purchase. DayTimer asks for nothing beyond the download.

JhongCalc ships an update every 7 months, DayTimer every 3 weeks. The most recent releases landed on September 22, 2026 and February 20, 2026 respectively.

## The numbers

| Metric | JhongCalc | DayTimer |
| --- | --- | --- |
| 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 | Yes |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 216 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) | [ZOOMO Inc.](https://appshunter.io/developer/490112424) |

## 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 |


### DayTimer

[App page](https://appshunter.io/ios/app/daytimer/id6502453027)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JhongCalc free?

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

### Is DayTimer free?

DayTimer is free to download, with no in-app purchases.

### Do JhongCalc or DayTimer have ads?

Both JhongCalc and DayTimer show ads.

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

JhongCalc ships an update every 7 months, and DayTimer every 3 weeks. Most recently, JhongCalc was updated on September 22, 2026 and DayTimer on February 20, 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.*