# mini時計 vs 昭和レトロ電卓

The clearest difference is update cadence: mini時計 at every 8 days against 昭和レトロ電卓's every 5 months. mini時計 also leads on iOS requirement (13.0 vs 15.1). On price, ads, 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.

mini時計 ships an update every 8 days, 昭和レトロ電卓 every 5 months. The most recent releases landed on September 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | mini時計 | 昭和レトロ電卓 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 5 months |
| Size | 18 MB | 28 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaori Kurosawa](https://appshunter.io/developer/1777069285) | [Masaki Takahashi](https://appshunter.io/developer/1860849926) |

## What reviewers say

### mini時計

[App page](https://appshunter.io/ios/app/mini/id6737561072)

**In-app purchases:** none


### 昭和レトロ電卓

[App page](https://appshunter.io/ios/app/vfd/id6756614175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mini時計 free?

mini時計 is free to download, with no in-app purchases.

### Is 昭和レトロ電卓 free?

昭和レトロ電卓 is free to download, with no in-app purchases.

### Do mini時計 or 昭和レトロ電卓 have ads?

Neither mini時計 nor 昭和レトロ電卓 shows ads.

### Which is updated more often, mini時計 or 昭和レトロ電卓?

mini時計 ships an update every 8 days, and 昭和レトロ電卓 every 5 months. Most recently, mini時計 was updated on September 24, 2026 and 昭和レトロ電卓 on October 3, 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.*