# WFワットチェッカー vs SPEASIC

The clearest difference is update cadence: WFワットチェッカー at every 2 months against SPEASIC's every 48 months. WFワットチェッカー also leads on iOS requirement (12.0 vs 14.5). 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.

WFワットチェッカー ships an update every 2 months, SPEASIC every 48 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | WFワットチェッカー | SPEASIC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 48 months |
| Size | 25 MB | 3 MB |
| Requires iOS | **12.0** | 14.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RATOC Systems, Inc.](https://appshunter.io/developer/568725272) | [エスピーイー株式会社](https://appshunter.io/developer/1607795294) |

## What reviewers say

### WFワットチェッカー

[App page](https://appshunter.io/ios/app/wf/id1490361450)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPEASIC

[App page](https://appshunter.io/ios/app/speasic/id1612007292)

**In-app purchases:** none


## Frequently asked questions

### Is WFワットチェッカー free?

WFワットチェッカー is free to download, with no in-app purchases.

### Is SPEASIC free?

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

### Do WFワットチェッカー or SPEASIC have ads?

Neither WFワットチェッカー nor SPEASIC shows ads.

### Which is updated more often, WFワットチェッカー or SPEASIC?

WFワットチェッカー ships an update every 2 months, and SPEASIC every 48 months. Most recently, WFワットチェッカー was updated on October 11, 2026 and SPEASIC on October 2, 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.*