# metroKEY vs Northern Waters Libraries

The clearest difference is update cadence: metroKEY at every 2 weeks against Northern Waters Libraries's every 6 weeks. metroKEY also leads on iOS requirement (13.0 vs 15.6). 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.

metroKEY ships an update every 2 weeks, Northern Waters Libraries every 6 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | metroKEY | Northern Waters Libraries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (13 ratings)](https://appshunter.io/ios/app/metrokey/id6476256036/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 48 MB | 49 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Streetspace Ltd](https://appshunter.io/developer/1726305187) | [Northern Waters Libraries](https://appshunter.io/developer/1800165351) |

## What reviewers say

### metroKEY

[App page](https://appshunter.io/ios/app/metrokey/id6476256036)

This app provides interactive access control for waste facilities, offering end-to-end visibility on usage. It features a user-friendly interface with fast sign-up, clear instructions, unit location mapping, and information on depositable items.

**Highlights:** Interactive access control, End-to-end usage visibility, Fast sign-up process, Unit location mapping, Deposit information, Bluetooth unit latch opening, Bin fill level monitoring

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

**In-app purchases:** none


### Northern Waters Libraries

[App page](https://appshunter.io/ios/app/northern-waters-libraries/id6742819019)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is metroKEY free?

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

### Is Northern Waters Libraries free?

Northern Waters Libraries is free to download, with no in-app purchases.

### Do metroKEY or Northern Waters Libraries have ads?

Neither metroKEY nor Northern Waters Libraries shows ads.

### Which is updated more often, metroKEY or Northern Waters Libraries?

metroKEY ships an update every 2 weeks, and Northern Waters Libraries every 6 weeks. Most recently, metroKEY was updated on October 24, 2026 and Northern Waters Libraries on October 6, 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.*