# How Old ? (Age) vs 和暦変換

The clearest difference is ads: How Old ? (Age) at none against 和暦変換's shown. How Old ? (Age) also leads on iOS requirement (6.0 vs 17.6). 和暦変換's advantage is update cadence (every 9 days vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

How Old ? (Age) ships an update every 2 months, 和暦変換 every 9 days. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | How Old ? (Age) | 和暦変換 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (23 ratings)](https://appshunter.io/ios/app/how-old-age/id312683351/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 62.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 1 MB | 114 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KS Planning Inc.](https://appshunter.io/developer/312683354) | [Hiroyuki Nishijima](https://appshunter.io/developer/1389796249) |

## What reviewers say

### How Old ? (Age)

[App page](https://appshunter.io/ios/app/how-old-age/id312683351)

Calculate your exact age based on your birth year. The app displays your age after your birthday and offers an option to show age before your birthday. Its simple design focuses on providing a clear age calculation.

**Highlights:** Calculate age from birth year, Display age after birthday, Display age before birthday, Simple and focused design, iPhone and iPod compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### 和暦変換

[App page](https://appshunter.io/ios/app/id1453666818)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is How Old ? (Age) free?

How Old ? (Age) is free to download, with no in-app purchases.

### Is 和暦変換 free?

和暦変換 is free to download, with no in-app purchases.

### Do How Old ? (Age) or 和暦変換 have ads?

和暦変換 shows ads; How Old ? (Age) does not.

### Which is updated more often, How Old ? (Age) or 和暦変換?

How Old ? (Age) ships an update every 2 months, and 和暦変換 every 9 days. Most recently, How Old ? (Age) was updated on October 23, 2026 and 和暦変換 on October 29, 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.*