# Antaa（アンター） vs CTCAEv5J

Antaa（アンター） and CTCAEv5J are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Antaa（アンター） ships an update every 2 months, CTCAEv5J every 4 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Antaa（アンター） | CTCAEv5J |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/antaa/id1151798574/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 57 MB | 1 MB |
| Requires iOS | 15.1 | **14.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Antaa, Inc.](https://appshunter.io/developer/1151798573) | [Satoshi Kawashima](https://appshunter.io/developer/1555480517) |

## What reviewers say

### Antaa（アンター）

[App page](https://appshunter.io/ios/app/antaa/id1151798574)

A comprehensive clinical app for physicians, offering slides, on-demand videos, and consultation support. It facilitates reliable information exchange among over 85,000 doctors, providing quick answers to clinical questions.

**Highlights:** Clinical slides library, Expert Q&A with fast response, On-demand video learning, Drug information and specialist comments, Medical calculation tools

**Features:** macOS Compatibility

**In-app purchases:** none


### CTCAEv5J

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Antaa（アンター） free?

Antaa（アンター） is free to download, with no in-app purchases.

### Is CTCAEv5J free?

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

### Do Antaa（アンター） or CTCAEv5J have ads?

Neither Antaa（アンター） nor CTCAEv5J shows ads.

### Which is updated more often, Antaa（アンター） or CTCAEv5J?

Antaa（アンター） ships an update every 2 months, and CTCAEv5J every 4 months. Most recently, Antaa（アンター） was updated on September 22, 2026 and CTCAEv5J on September 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.*