# AMPI vs NotifyWA

The clearest difference is update cadence: NotifyWA at every 5 months against AMPI's every 16 months. AMPI's advantage is iOS requirement (12.0 vs 15.0). 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.

AMPI ships an update every 16 months, NotifyWA every 5 months. The most recent releases landed on September 19, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | AMPI | NotifyWA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 98 MB | 45 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Australasian Marine Pilots Institute Limited](https://appshunter.io/developer/1485179767) | [Caesia Software Pty Ltd](https://appshunter.io/developer/1611938273) |

## What reviewers say

### AMPI

[App page](https://appshunter.io/ios/app/ampi/id1485179768)

**Features:** macOS Compatibility

**In-app purchases:** none


### NotifyWA

[App page](https://appshunter.io/ios/app/notifywa/id1611938271)

Receive real-time push notifications for emergencies occurring in Western Australia. Stay informed about critical events impacting the region with timely updates delivered directly to your device.

**Highlights:** Emergency notifications, Western Australia focus, Push alerts, Real-time updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AMPI free?

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

### Is NotifyWA free?

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

### Do AMPI or NotifyWA have ads?

Neither AMPI nor NotifyWA shows ads.

### Which is updated more often, AMPI or NotifyWA?

AMPI ships an update every 16 months, and NotifyWA every 5 months. Most recently, AMPI was updated on September 19, 2026 and NotifyWA on June 22, 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.*