# Smart Actuator vs Curtiss

The clearest difference is iOS requirement: Curtiss at 12.0 against Smart Actuator's 15.5. 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.

Smart Actuator ships an update every 2 months, Curtiss every 5 weeks. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Smart Actuator | Curtiss |
| --- | --- | --- |
| 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 2 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 59 MB | 299 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fr. Sauter AG](https://appshunter.io/developer/586916485) | [Curtiss-Wright](https://appshunter.io/developer/833840895) |

## What reviewers say

### Smart Actuator

[App page](https://appshunter.io/ios/app/smart-actuator/id1489339640)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Smart Actuator free?

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

### Is Curtiss free?

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

### Do Smart Actuator or Curtiss have ads?

Neither Smart Actuator nor Curtiss shows ads.

### Which is updated more often, Smart Actuator or Curtiss?

Smart Actuator ships an update every 2 months, and Curtiss every 5 weeks. Most recently, Smart Actuator was updated on September 9, 2026 and Curtiss on September 12, 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.*