# MD Calculator vs 永年日記

The clearest difference is in-app purchases: 永年日記 at none against MD Calculator's 1. MD Calculator's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MD Calculator sells 1 one-off in-app purchase. 永年日記 asks for nothing beyond the download.

MD Calculator ships an update every 2 weeks, 永年日記 every 6 weeks. The most recent releases landed on November 12, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | MD Calculator | 永年日記 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (80 ratings)](https://appshunter.io/ios/app/md-calculator/id6463897900/reviews)** | — |
| Number of ratings | **80** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MD Studio](https://appshunter.io/developer/1438854445) | [Naoyuki Hasegawa](https://appshunter.io/developer/6777422704) |

## What reviewers say

### MD Calculator

[App page](https://appshunter.io/ios/app/md-calculator/id6463897900)

Perform calculations directly from your Home Screen with this interactive widget. Customize your experience with a variety of unique themes, including nostalgic skeuomorphic designs.

**Highlights:** Home Screen widget functionality, Interactive widget technology, Customizable themes, Skeuomorphic design options, On-the-go computations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MD Calculator Premium | $0.99 | one-time |


### 永年日記

[App page](https://appshunter.io/ios/app/id6803414100)

**In-app purchases:** none


## Frequently asked questions

### Is MD Calculator free?

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

### Is 永年日記 free?

永年日記 is free to download, with no in-app purchases.

### Do MD Calculator or 永年日記 have ads?

Neither MD Calculator nor 永年日記 shows ads.

### Which is updated more often, MD Calculator or 永年日記?

MD Calculator ships an update every 2 weeks, and 永年日記 every 6 weeks. Most recently, MD Calculator was updated on November 12, 2026 and 永年日記 on November 6, 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.*