# CLAVIS vs LEAD　公式アプリ

The clearest difference is iOS requirement: CLAVIS at 8.0 against LEAD　公式アプリ's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CLAVIS ships an update every 22 months, LEAD　公式アプリ every 39 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | CLAVIS | LEAD　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 22 months** | Every 39 months |
| Size | 3 MB | 5 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [ETSUKO SATO](https://appshunter.io/developer/1568989228) |

## What reviewers say

### CLAVIS

[App page](https://appshunter.io/ios/app/clavis/id1508467576)

**Features:** macOS Compatibility

**In-app purchases:** none


### LEAD　公式アプリ

[App page](https://appshunter.io/ios/app/lead/id6445942617)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CLAVIS free?

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

### Is LEAD　公式アプリ free?

LEAD　公式アプリ is free to download, with no in-app purchases.

### Do CLAVIS or LEAD　公式アプリ have ads?

Neither CLAVIS nor LEAD　公式アプリ shows ads.

### Which is updated more often, CLAVIS or LEAD　公式アプリ?

CLAVIS ships an update every 22 months, and LEAD　公式アプリ every 39 months. Most recently, CLAVIS was updated on October 27, 2026 and LEAD　公式アプリ on October 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.*