# Antaa（アンター） vs SurgiStep

The clearest difference is in-app purchases: Antaa（アンター） at none against SurgiStep's 4. SurgiStep's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SurgiStep sells 4 in-app purchases, starting at $2.99 per year. Antaa（アンター） asks for nothing beyond the download.

Antaa（アンター） ships an update every 2 months, SurgiStep every 5 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Antaa（アンター） | SurgiStep |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 57 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Antaa, Inc.](https://appshunter.io/developer/1151798573) | [Minoru Hayashi](https://appshunter.io/developer/1896677605) |

## 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


### SurgiStep

[App page](https://appshunter.io/ios/app/surgistep/id6769664951)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| standard.yearly | $2.99 | per year |
| Standard (Lifetime) | $19.99 | one-time |
| Pro (Lifetime) | $59.99 | one-time |
| Max (Lifetime) | $119.99 | one-time |


## 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 SurgiStep free?

SurgiStep is free to download, with in-app purchases available.

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

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

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

Antaa（アンター） ships an update every 2 months, and SurgiStep every 5 days. Most recently, Antaa（アンター） was updated on October 26, 2026 and SurgiStep on October 24, 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.*