# Curtiss vs POWER Events

The clearest difference is iOS requirement: Curtiss at 12.0 against POWER Events's 15.6. 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.

Curtiss ships an update every 5 weeks, POWER Events every 4 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Curtiss | POWER Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/curtiss-wright-ar/id1493970861/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 299 MB | 84 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Curtiss-Wright](https://appshunter.io/developer/833840895) | [Access Intelligence, LLC](https://appshunter.io/developer/402752000) |

## What reviewers say

### Curtiss

[App page](https://appshunter.io/ios/app/curtiss-wright-ar/id1493970861)

Explore nuclear valves in 3D using augmented reality. View detailed exploded diagrams, identify individual parts with a bill of materials, and visualize fluid flow to understand valve functionality.

**Highlights:** Augmented reality valve visualization, 360-degree exploration, Exploded view of components, Bill of materials for parts, Fluid flow simulation

**In-app purchases:** none


### POWER Events

[App page](https://appshunter.io/ios/app/power-events-ep-plus-dpx/id6808603788)

**In-app purchases:** none


## Frequently asked questions

### Is Curtiss free?

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

### Is POWER Events free?

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

### Do Curtiss or POWER Events have ads?

Neither Curtiss nor POWER Events shows ads.

### Which is updated more often, Curtiss or POWER Events?

Curtiss ships an update every 5 weeks, and POWER Events every 4 weeks. Most recently, Curtiss was updated on October 24, 2026 and POWER Events on October 29, 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.*