# CTCAEv5J vs CRCと臨床試験のあり方を考える会議

The clearest difference is update cadence: CTCAEv5J at every 4 months against CRCと臨床試験のあり方を考える会議's every 8 months. CRCと臨床試験のあり方を考える会議's advantage is iOS requirement (12.0 vs 14.3). 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.

CTCAEv5J ships an update every 4 months, CRCと臨床試験のあり方を考える会議 every 8 months. The most recent releases landed on September 10, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CTCAEv5J | CRCと臨床試験のあり方を考える会議 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 1 MB | 53 MB |
| Requires iOS | 14.3 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Satoshi Kawashima](https://appshunter.io/developer/1555480517) | [RINSHO SHIKEN SHIEN ZAIDAN, GENERAL FOUNDATION](https://appshunter.io/developer/1766032638) |

## What reviewers say

### CTCAEv5J

[App page](https://appshunter.io/ios/app/ctcaev5j/id1555480515)

**Features:** macOS Compatibility

**In-app purchases:** none


### CRCと臨床試験のあり方を考える会議

[App page](https://appshunter.io/ios/app/crc/id6670383401)

**In-app purchases:** none


## Frequently asked questions

### Is CTCAEv5J free?

CTCAEv5J is free to download, with no in-app purchases.

### Is CRCと臨床試験のあり方を考える会議 free?

CRCと臨床試験のあり方を考える会議 is free to download, with no in-app purchases.

### Do CTCAEv5J or CRCと臨床試験のあり方を考える会議 have ads?

Neither CTCAEv5J nor CRCと臨床試験のあり方を考える会議 shows ads.

### Which is updated more often, CTCAEv5J or CRCと臨床試験のあり方を考える会議?

CTCAEv5J ships an update every 4 months, and CRCと臨床試験のあり方を考える会議 every 8 months. Most recently, CTCAEv5J was updated on September 10, 2026 and CRCと臨床試験のあり方を考える会議 on October 10, 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.*