# 人生の午後３時 vs 年号電卓Plus

The clearest difference is in-app purchases: 年号電卓Plus at none against 人生の午後３時's 1. 人生の午後３時's advantage is review sentiment (50% vs 38%) and iOS requirement (9.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 人生の午後３時 sells 1 one-off in-app purchase. 年号電卓Plus asks for nothing beyond the download.

人生の午後３時 ships an update every 2 months, 年号電卓Plus every 6 weeks. The most recent releases landed on September 9, 2026 and July 27, 2026 respectively.

## The numbers

| Metric | 人生の午後３時 | 年号電卓Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 39 MB | 7 MB |
| Requires iOS | **9.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [masafumi sasaki](https://appshunter.io/developer/1016775706) | [Nakanishi Toshihiko](https://appshunter.io/developer/712843914) |

## What reviewers say

### 人生の午後３時

[App page](https://appshunter.io/ios/app/id1062737629)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 機能を有効にする | $0.99 | one-time |


### 年号電卓Plus

[App page](https://appshunter.io/ios/app/plus/id1320583340)

Easily convert between Western and Japanese eras, and determine birth years from age. Explore historical context with explanations for era changes and significant events of each year.

**Highlights:** Western to Japanese era conversion, Japanese era to Western conversion, Calculate birth year from age, View era start and end dates, Understand reasons for era changes, Discover major events of each year

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 人生の午後３時 free?

人生の午後３時 is free to download, with in-app purchases available.

### Is 年号電卓Plus free?

年号電卓Plus is free to download, with no in-app purchases.

### Do 人生の午後３時 or 年号電卓Plus have ads?

Neither 人生の午後３時 nor 年号電卓Plus shows ads.

### Which is updated more often, 人生の午後３時 or 年号電卓Plus?

人生の午後３時 ships an update every 2 months, and 年号電卓Plus every 6 weeks. Most recently, 人生の午後３時 was updated on September 9, 2026 and 年号電卓Plus on July 27, 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.*