# 薬剤師・登録販売者資格　統合版 vs Cat's Study

The clearest difference is price: Cat's Study at Free against 薬剤師・登録販売者資格　統合版's $0.99. Cat's Study also leads on update cadence (every 4 days vs every 27 months) and review sentiment (100% vs 80%). 薬剤師・登録販売者資格　統合版's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Cat's Study is free to download; 薬剤師・登録販売者資格　統合版 costs $0.99 up front. Cat's Study sells 6 in-app purchases, starting at $2.49 per month. 薬剤師・登録販売者資格　統合版 asks for nothing beyond the download.

薬剤師・登録販売者資格　統合版 ships an update every 27 months, Cat's Study every 4 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 薬剤師・登録販売者資格　統合版 | Cat's Study |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 4 days** |
| Size | 67 MB | 162 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [harada keiko](https://appshunter.io/developer/1457179049) | [Lo-Fi Labs Inc.](https://appshunter.io/developer/6796905768) |

## What reviewers say

### 薬剤師・登録販売者資格　統合版

[App page](https://appshunter.io/ios/app/id1495488976)

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

**In-app purchases:** none


### Cat's Study

[App page](https://appshunter.io/ios/app/cats-study-focus-timer/id6816829300)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cat's Study Pro Monthly | $2.49 | per month |
| Cat's Study Pro Annual | $14.49 | per year |
| 100 Coins | $1.49 | one-time |
| 500 Coins | $6.49 | one-time |
| 1,000 Coins | $9.99 | one-time |
| Cat's Study Pro Lifetime | $33.49 | one-time |


## Frequently asked questions

### Is 薬剤師・登録販売者資格　統合版 free?

薬剤師・登録販売者資格　統合版 costs $0.99, with no in-app purchases.

### Is Cat's Study free?

Cat's Study is free to download, with in-app purchases available.

### Do 薬剤師・登録販売者資格　統合版 or Cat's Study have ads?

Cat's Study shows ads; 薬剤師・登録販売者資格　統合版 does not.

### Which is updated more often, 薬剤師・登録販売者資格　統合版 or Cat's Study?

薬剤師・登録販売者資格　統合版 ships an update every 27 months, and Cat's Study every 4 days. Most recently, 薬剤師・登録販売者資格　統合版 was updated on October 7, 2026 and Cat's Study on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*