# 年齢･干支計算機 vs mod.Reminder

The clearest difference is in-app purchases: 年齢･干支計算機 at none against mod.Reminder's 1. 年齢･干支計算機 also leads on iOS requirement (13.0 vs 18.5). mod.Reminder's advantage is ads (none vs shown) and update cadence (every 10 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. mod.Reminder sells 1 one-off in-app purchase. 年齢･干支計算機 asks for nothing beyond the download.

年齢･干支計算機 ships an update every 2 months, mod.Reminder every 10 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 年齢･干支計算機 | mod.Reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 7 MB | 8 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ichimura](https://appshunter.io/developer/1474061593) | [SATOSHI NAGASAKA](https://appshunter.io/developer/1826446450) |

## What reviewers say

### 年齢･干支計算機

[App page](https://appshunter.io/ios/app/id6464290003)

**Features:** macOS Compatibility

**In-app purchases:** none


### mod.Reminder

[App page](https://appshunter.io/ios/app/modreminder/id6748593483)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mod.Reminder - Full Version | $2.99 | one-time |


## Frequently asked questions

### Is 年齢･干支計算機 free?

年齢･干支計算機 is free to download, with no in-app purchases.

### Is mod.Reminder free?

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

### Do 年齢･干支計算機 or mod.Reminder have ads?

年齢･干支計算機 shows ads; mod.Reminder does not.

### Which is updated more often, 年齢･干支計算機 or mod.Reminder?

年齢･干支計算機 ships an update every 2 months, and mod.Reminder every 10 days. Most recently, 年齢･干支計算機 was updated on October 11, 2026 and mod.Reminder on October 8, 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.*