# isho.jp vs Antaa（アンター）

isho.jp and Antaa（アンター） both sit at 1.0 stars, but that hides the real split: 43% of Antaa（アンター）'s written reviews are positive against 23% of isho.jp's. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.0 for isho.jp against 1.0 for Antaa（アンター）. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 23% of isho.jp's written reviews are positive against 43% of Antaa（アンター）'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | isho.jp | Antaa（アンター） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ishojp/id1080863684/reviews) | [1.0 (2 ratings)](https://appshunter.io/ios/app/antaa/id1151798574/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 23.1% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 46 MB | 57 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ISHO-JP Ltd.](https://appshunter.io/developer/1709250849) | [Antaa, Inc.](https://appshunter.io/developer/1151798573) |

## What reviewers say

### isho.jp

[App page](https://appshunter.io/ios/app/ishojp/id1080863684)

This app provides a digital platform for medical professionals to access and read specialized medical books and journals. It aims to streamline the process of finding and obtaining essential medical information, supporting the advancement of healthcare.

**Highlights:** Access specialized medical content, Note-taking and highlighting tools, Two-page spread display, Page thumbnail slider, Quick access to table of contents and index, View bibliographic information

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is isho.jp free?

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

### Is Antaa（アンター） free?

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

### Which has better reviews, isho.jp or Antaa（アンター）?

isho.jp and Antaa（アンター） are both rated 1.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do isho.jp or Antaa（アンター） have ads?

Neither isho.jp nor Antaa（アンター） shows ads.

### Which is updated more often, isho.jp or Antaa（アンター）?

isho.jp ships an update every 2 months, and Antaa（アンター） every 2 months. Most recently, isho.jp was updated on September 23, 2026 and Antaa（アンター） on September 7, 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.*