# NCCN Guidelines® vs JPN GL 2021

The clearest difference is rating: NCCN Guidelines® at 3.6 against JPN GL 2021's 1.0. NCCN Guidelines® also leads on ratings volume (24 vs 1) and review sentiment (13% vs 0%). JPN GL 2021's advantage is iOS requirement (11.0 vs 13.1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

NCCN Guidelines® holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: NCCN Guidelines® has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 13% of NCCN Guidelines®'s written reviews are positive against 0% of JPN GL 2021's.

NCCN Guidelines® ships an update every 2 months, JPN GL 2021 every 3 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NCCN Guidelines® | JPN GL 2021 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (24 ratings)](https://appshunter.io/ios/app/nccn-guidelines/id775500217/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/jpn-gl-2021/id964744272/reviews) |
| Number of ratings | **24** | 1 |
| Positive reviews | **12.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 118 MB | 17 MB |
| Requires iOS | 13.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [National Comprehensive Cancer Network®](https://appshunter.io/developer/1168594705) | [BFLAT INC.](https://appshunter.io/developer/964744271) |

## What reviewers say

### NCCN Guidelines®

[App page](https://appshunter.io/ios/app/nccn-guidelines/id775500217)

This app provides healthcare professionals with convenient access to comprehensive clinical practice guidelines for oncology. It aims to improve the quality and effectiveness of cancer care by offering evidence-based recommendations for diagnosis, treatment, and supportive services.

**Highlights:** Virtual Library of NCCN Guidelines, Oncology clinical practice guidelines, Evidence-based recommendations, Supports cancer care decision-making, Covers 97% of US cancer cases

**Features:** Vision Pro support

**In-app purchases:** none


### JPN GL 2021

[App page](https://appshunter.io/ios/app/jpn-gl-2021/id964744272)

This medical app provides a practical tool for physicians and medical staff managing acute pancreatitis. It includes a severity assessment calculator, clinical flowcharts with Q&A, imaging guidance, and checklists based on Japanese guidelines.

**Highlights:** Severity assessment calculator, Clinical flowchart with Q&A, Imaging guidance, Clinical checklist, Based on Japanese guidelines

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NCCN Guidelines® free?

NCCN Guidelines® is free to download, with no in-app purchases.

### Is JPN GL 2021 free?

JPN GL 2021 is free to download, with no in-app purchases.

### Which has better reviews, NCCN Guidelines® or JPN GL 2021?

NCCN Guidelines® is rated higher. NCCN Guidelines® averages 3.6 out of 5 from 24 ratings, while JPN GL 2021 averages 1.0 from 1 ratings.

### Do NCCN Guidelines® or JPN GL 2021 have ads?

Neither NCCN Guidelines® nor JPN GL 2021 shows ads.

### Which is updated more often, NCCN Guidelines® or JPN GL 2021?

NCCN Guidelines® ships an update every 2 months, and JPN GL 2021 every 3 months. Most recently, NCCN Guidelines® was updated on October 22, 2026 and JPN GL 2021 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.*