# NRKW ID vs Gx

The clearest difference is update cadence: NRKW ID at every 2 weeks against Gx's every 11 months. Gx's advantage is iOS requirement (12.0 vs 14.0). 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.

NRKW ID ships an update every 2 weeks, Gx every 11 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NRKW ID | Gx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/nrkw-id/id1541380760/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | Free | — |
| Size | 476 MB | 103 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Alert Bay Cetological Society](https://appshunter.io/developer/1541380762) | [G Adventures](https://appshunter.io/developer/466278579) |

## What reviewers say

### NRKW ID

[App page](https://appshunter.io/ios/app/nrkw-id/id1541380760)

This app provides up-to-date identification images and detailed information for individuals in the Northern Resident killer whale population. Navigate by clan, pod, matriline, sex, or age class to learn about each whale's name, sex, birth year, and mother.

**Highlights:** Killer whale identification images, Detailed individual information, Navigation by clan, pod, and matriline, Filtering by sex and age class, Full-screen image viewing, News on population status

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

**In-app purchases:** none


### Gx

[App page](https://appshunter.io/ios/app/gx/id6451004053)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is NRKW ID free?

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

### Is Gx free?

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

### Do NRKW ID or Gx have ads?

Neither NRKW ID nor Gx shows ads.

### Which is updated more often, NRKW ID or Gx?

NRKW ID ships an update every 2 weeks, and Gx every 11 months. Most recently, NRKW ID was updated on October 24, 2026 and Gx on October 30, 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.*