# PVVS vs 単位換算電卓

The clearest difference is ads: 単位換算電卓 at none against PVVS's shown. 単位換算電卓 also leads on update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PVVS ships an update every 2 months, 単位換算電卓 every 3 weeks. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PVVS | 単位換算電卓 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id1548442583/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 7 MB | 1 MB |
| Requires iOS | 15.0 | **14.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) | [Sakae Ichikawa](https://appshunter.io/developer/1548442585) |

## What reviewers say

### PVVS

[App page](https://appshunter.io/ios/app/pvvs/id1476646663)

**Features:** macOS Compatibility

**In-app purchases:** none


### 単位換算電卓

[App page](https://appshunter.io/ios/app/id1548442583)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PVVS free?

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

### Is 単位換算電卓 free?

単位換算電卓 is free to download, with no in-app purchases.

### Do PVVS or 単位換算電卓 have ads?

PVVS shows ads; 単位換算電卓 does not.

### Which is updated more often, PVVS or 単位換算電卓?

PVVS ships an update every 2 months, and 単位換算電卓 every 3 weeks. Most recently, PVVS was updated on October 10, 2026 and 単位換算電卓 on October 17, 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.*