# 環境・公害系資格　統合版 vs CirclePay

The clearest difference is price: CirclePay at Free against 環境・公害系資格　統合版's $4.99. CirclePay also leads on update cadence (every 2 days vs every 56 months). 環境・公害系資格　統合版's advantage is iOS requirement (15.0 vs 18.4). On ads, in-app purchases and device support there is nothing between them.

CirclePay is free to download; 環境・公害系資格　統合版 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

環境・公害系資格　統合版 ships an update every 56 months, CirclePay every 2 days. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 環境・公害系資格　統合版 | CirclePay |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 2 days** |
| Size | 68 MB | 15 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [harada keiko](https://appshunter.io/developer/1457179049) | [Sakihara Riki](https://appshunter.io/developer/1814756805) |

## What reviewers say

### 環境・公害系資格　統合版

[App page](https://appshunter.io/ios/app/id1487273459)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CirclePay

[App page](https://appshunter.io/ios/app/circlepay/id6746011665)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 環境・公害系資格　統合版 free?

環境・公害系資格　統合版 costs $4.99, with no in-app purchases.

### Is CirclePay free?

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

### Do 環境・公害系資格　統合版 or CirclePay have ads?

Neither 環境・公害系資格　統合版 nor CirclePay shows ads.

### Which is updated more often, 環境・公害系資格　統合版 or CirclePay?

環境・公害系資格　統合版 ships an update every 56 months, and CirclePay every 2 days. Most recently, 環境・公害系資格　統合版 was updated on October 11, 2026 and CirclePay on October 12, 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.*