# 年号電卓Plus vs 日々コツコツ貯金

The clearest difference is review sentiment: 日々コツコツ貯金 at 82% against 年号電卓Plus's 38%. 日々コツコツ貯金 also leads on iOS requirement (15.6 vs 17.6). 年号電卓Plus's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 5 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.

年号電卓Plus ships an update every 6 weeks, 日々コツコツ貯金 every 5 months. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 年号電卓Plus | 日々コツコツ貯金 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | **81.8% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 7 MB | 64 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nakanishi Toshihiko](https://appshunter.io/developer/712843914) | [NSC, K.K.](https://appshunter.io/developer/501890400) |

## What reviewers say

### 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


### 日々コツコツ貯金

[App page](https://appshunter.io/ios/app/id1496541948)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 年号電卓Plus free?

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

### Is 日々コツコツ貯金 free?

日々コツコツ貯金 is free to download, with no in-app purchases.

### Do 年号電卓Plus or 日々コツコツ貯金 have ads?

日々コツコツ貯金 shows ads; 年号電卓Plus does not.

### Which is updated more often, 年号電卓Plus or 日々コツコツ貯金?

年号電卓Plus ships an update every 6 weeks, and 日々コツコツ貯金 every 5 months. Most recently, 年号電卓Plus was updated on September 27, 2026 and 日々コツコツ貯金 on October 9, 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.*