# WFワットチェッカー vs DripPro

The clearest difference is in-app purchases: WFワットチェッカー at none against DripPro's 2. WFワットチェッカー also leads on iOS requirement (12.0 vs 18.6). DripPro's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. DripPro sells 2 one-off in-app purchases. WFワットチェッカー asks for nothing beyond the download.

WFワットチェッカー ships an update every 2 months, DripPro every 5 days. The most recent releases landed on September 9, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | WFワットチェッカー | DripPro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 25 MB | 14 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RATOC Systems, Inc.](https://appshunter.io/developer/568725272) | [MASATO NAKANO](https://appshunter.io/developer/1820559482) |

## 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


### DripPro

[App page](https://appshunter.io/ios/app/drippro/id6749197948)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム機能 | $1.99 | one-time |
| Premium Features | $1.99 | one-time |


## 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 DripPro free?

DripPro is free to download, with in-app purchases available.

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

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

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

WFワットチェッカー ships an update every 2 months, and DripPro every 5 days. Most recently, WFワットチェッカー was updated on September 9, 2026 and DripPro on September 5, 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.*