# NNPHI vs IASLC WCLC

The clearest difference is update cadence: IASLC WCLC at every 5 days against NNPHI's every 6 weeks. 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.

NNPHI ships an update every 6 weeks, IASLC WCLC every 5 days. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NNPHI | IASLC WCLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.8 (8 ratings)](https://appshunter.io/ios/app/iaslc-wclc/id1632202740/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 76 MB | 146 MB |
| Requires iOS | **17.0** | 17.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [National Network of Public Health Institutes](https://appshunter.io/developer/1357188009) | [International Association for the Study of Lung Cancer](https://appshunter.io/developer/899105830) |

## What reviewers say

### NNPHI

[App page](https://appshunter.io/ios/app/nnphi/id1209175330)

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

**In-app purchases:** none


### IASLC WCLC

[App page](https://appshunter.io/ios/app/iaslc-wclc/id1632202740)

Access a vast library of lung cancer and thoracic oncology content from the world's largest international gathering. Explore over 300 talks and 1,000+ poster presentations across 18 specialized tracks.

**Highlights:** Access WCLC sessions anytime, Multidisciplinary content, Over 300 talks, 1,000+ poster presentations, 18 specialized tracks

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

**In-app purchases:** none


## Frequently asked questions

### Is NNPHI free?

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

### Is IASLC WCLC free?

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

### Do NNPHI or IASLC WCLC have ads?

Neither NNPHI nor IASLC WCLC shows ads.

### Which is updated more often, NNPHI or IASLC WCLC?

NNPHI ships an update every 6 weeks, and IASLC WCLC every 5 days. Most recently, NNPHI was updated on October 4, 2026 and IASLC WCLC 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.*