# ArmME Security App vs Scientific Engineer Calculator

The clearest difference is price: ArmME Security App at Free against Scientific Engineer Calculator's $0.99. Scientific Engineer Calculator's advantage is ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On in-app purchases, device support and iOS requirement there is nothing between them.

ArmME Security App is free to download; Scientific Engineer Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ArmME Security App ships an update every 5 weeks, Scientific Engineer Calculator every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ArmME Security App | Scientific Engineer Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.1 (50 ratings)](https://appshunter.io/ios/app/armme-security-app/id1037754276/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 24.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 69 MB | 6 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Amecor (Pty) Ltd](https://appshunter.io/developer/1607244934) | [Yasin Ercan Ozdemir](https://appshunter.io/developer/1883375624) |

## What reviewers say

### ArmME Security App

[App page](https://appshunter.io/ios/app/armme-security-app/id1037754276)

Control and monitor your home or business alarm system remotely. Arm, disarm, and receive alerts for triggered alarms. Manage gates, garage doors, lights, and other connected devices from anywhere.

**Highlights:** Remote arm/disarm/stay, Triggered alarm alerts, Gate/garage door control, Lights/sprinkler control, AC power status, Customizable area names, Event log access

**In-app purchases:** none


### Scientific Engineer Calculator

[App page](https://appshunter.io/ios/app/scientific-engineer-calculator/id6760608427)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ArmME Security App free?

ArmME Security App is free to download, with no in-app purchases.

### Is Scientific Engineer Calculator free?

Scientific Engineer Calculator costs $0.99, with no in-app purchases.

### Do ArmME Security App or Scientific Engineer Calculator have ads?

ArmME Security App shows ads; Scientific Engineer Calculator does not.

### Which is updated more often, ArmME Security App or Scientific Engineer Calculator?

ArmME Security App ships an update every 5 weeks, and Scientific Engineer Calculator every 5 days. Most recently, ArmME Security App was updated on October 16, 2026 and Scientific Engineer Calculator on October 7, 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.*