# Simtek Sensors vs Vaultory.app

The clearest difference is in-app purchases: Simtek Sensors at none against Vaultory.app's 3. Vaultory.app's advantage is update cadence (weekly vs every 5 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Vaultory.app sells 3 in-app purchases, starting at $79.99 per year. Simtek Sensors asks for nothing beyond the download.

Simtek Sensors ships an update every 5 weeks, Vaultory.app weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Simtek Sensors | Vaultory.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/simtek-sensors/id1261698660/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 59 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Simtek, Inc.](https://appshunter.io/developer/1261698659) | [Christian Nelson](https://appshunter.io/developer/1857478153) |

## What reviewers say

### Simtek Sensors

[App page](https://appshunter.io/ios/app/simtek-sensors/id1261698660)

Monitor remote locations without Wi-Fi or power. Receive instant alerts on your phone when a sensor is triggered, enhancing security and peace of mind. Features include customizable messages, alert history, and low battery notifications.

**Highlights:** Remote space monitoring without Wi-Fi, Instant phone alerts (approx. 20 seconds), Customizable alert messages, Alert history tracking, Low battery notifications, Signal strength and battery status

**Features:** macOS Compatibility

**In-app purchases:** none


### Vaultory.app

[App page](https://appshunter.io/ios/app/vaultoryapp/id6755939542)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (Annual) | $79.99 | per year |
| Pro (Annual) | $149.99 | per year |
| Elite (Annual) | $249.99 | per year |


## Frequently asked questions

### Is Simtek Sensors free?

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

### Is Vaultory.app free?

Vaultory.app is free to download, with in-app purchases available.

### Do Simtek Sensors or Vaultory.app have ads?

Both Simtek Sensors and Vaultory.app show ads.

### Which is updated more often, Simtek Sensors or Vaultory.app?

Simtek Sensors ships an update every 5 weeks, and Vaultory.app weekly. Most recently, Simtek Sensors was updated on November 2, 2026 and Vaultory.app 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.*