# 日本栄養治療学会 公式アプリ「JSPEN」 vs 周術期ナビ｜術前・術後・合併症の看護

The clearest difference is update cadence: 周術期ナビ｜術前・術後・合併症の看護 at every 2 weeks against 日本栄養治療学会 公式アプリ「JSPEN」's every 3 months. 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.

日本栄養治療学会 公式アプリ「JSPEN」 ships an update every 3 months, 周術期ナビ｜術前・術後・合併症の看護 every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 日本栄養治療学会 公式アプリ「JSPEN」 | 周術期ナビ｜術前・術後・合併症の看護 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 9 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [JAPANESE SOCIETY FOR PARENTERAL & ENTERAL NUTRITION](https://appshunter.io/developer/1494462109) | [Takahiro Ito](https://appshunter.io/developer/6787806782) |

## What reviewers say

### 日本栄養治療学会 公式アプリ「JSPEN」

[App page](https://appshunter.io/ios/app/jspen/id6499178896)

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

**In-app purchases:** none


### 周術期ナビ｜術前・術後・合併症の看護

[App page](https://appshunter.io/ios/app/id6792427680)

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

**In-app purchases:** none


## Frequently asked questions

### Is 日本栄養治療学会 公式アプリ「JSPEN」 free?

日本栄養治療学会 公式アプリ「JSPEN」 is free to download, with no in-app purchases.

### Is 周術期ナビ｜術前・術後・合併症の看護 free?

周術期ナビ｜術前・術後・合併症の看護 is free to download, with no in-app purchases.

### Do 日本栄養治療学会 公式アプリ「JSPEN」 or 周術期ナビ｜術前・術後・合併症の看護 have ads?

Neither 日本栄養治療学会 公式アプリ「JSPEN」 nor 周術期ナビ｜術前・術後・合併症の看護 shows ads.

### Which is updated more often, 日本栄養治療学会 公式アプリ「JSPEN」 or 周術期ナビ｜術前・術後・合併症の看護?

日本栄養治療学会 公式アプリ「JSPEN」 ships an update every 3 months, and 周術期ナビ｜術前・術後・合併症の看護 every 2 weeks. Most recently, 日本栄養治療学会 公式アプリ「JSPEN」 was updated on October 27, 2026 and 周術期ナビ｜術前・術後・合併症の看護 on October 25, 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.*