# Simtek Sensors vs QMFA Wallet

The clearest difference is ads: QMFA Wallet at none against Simtek Sensors's shown. QMFA Wallet also leads on device support (3 vs 1). Simtek Sensors's advantage is update cadence (every 5 weeks vs every 3 months). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simtek Sensors ships an update every 5 weeks, QMFA Wallet every 3 months. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Simtek Sensors | QMFA Wallet |
| --- | --- | --- |
| 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 | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 7 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Simtek, Inc.](https://appshunter.io/developer/1261698659) | [MagTek, Inc.](https://appshunter.io/developer/371172200) |

## 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


### QMFA Wallet

[App page](https://appshunter.io/ios/app/qmfa-wallet/id6479554567)

**In-app purchases:** none


## Frequently asked questions

### Is Simtek Sensors free?

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

### Is QMFA Wallet free?

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

### Do Simtek Sensors or QMFA Wallet have ads?

Simtek Sensors shows ads; QMFA Wallet does not.

### Which is updated more often, Simtek Sensors or QMFA Wallet?

Simtek Sensors ships an update every 5 weeks, and QMFA Wallet every 3 months. Most recently, Simtek Sensors was updated on October 23, 2026 and QMFA Wallet on October 10, 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.*