# 漢かな vs ConvertCalc

The clearest difference is in-app purchases: 漢かな at none against ConvertCalc's 1. 漢かな also leads on iOS requirement (13.0 vs 17.0). ConvertCalc's advantage is update cadence (every 8 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. ConvertCalc sells 1 one-off in-app purchase. 漢かな asks for nothing beyond the download.

漢かな ships an update every 8 months, ConvertCalc every 8 days. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 漢かな | ConvertCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/convertcalc/id6756512186/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 69 MB | 28 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Yukihiro Morita](https://appshunter.io/developer/1320734281) | [Michael Riehl](https://appshunter.io/developer/1861093934) |

## What reviewers say

### 漢かな

[App page](https://appshunter.io/ios/app/id1668307537)

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

**In-app purchases:** none


### ConvertCalc

[App page](https://appshunter.io/ios/app/convertcalc/id6756512186)

This app combines a powerful calculator with an advanced unit converter, offering over 200 units across 19 categories. It allows for unified calculations and conversions in one step, with features like live currency exchange and date conversions. An optional pro version unlocks advanced customization and organizational tools.

**Highlights:** Unified calculation and conversion workflow, Over 200 units across 19 categories, Live currency conversion, Multiple calendar system conversions, Age calculator, Customizable themes and layouts, Offline functionality (excluding live currency)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ConvertCalc Pro | $8.99 | one-time |


## Frequently asked questions

### Is 漢かな free?

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

### Is ConvertCalc free?

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

### Do 漢かな or ConvertCalc have ads?

Both 漢かな and ConvertCalc show ads.

### Which is updated more often, 漢かな or ConvertCalc?

漢かな ships an update every 8 months, and ConvertCalc every 8 days. Most recently, 漢かな was updated on October 11, 2026 and ConvertCalc on October 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.*