# Margin Calculator vs Lorex Pro

The clearest difference is update cadence: Margin Calculator at every 11 days against Lorex Pro's every 4 months. Lorex Pro's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Margin Calculator ships an update every 11 days, Lorex Pro every 4 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Margin Calculator | Lorex Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (29 ratings)](https://appshunter.io/ios/app/lorex-pro/id1645895184/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 18.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | — | Free |
| Size | 40 MB | 301 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) | [LOREX TECHNOLOGY INC.](https://appshunter.io/developer/351969599) |

## What reviewers say

### Margin Calculator

[App page](https://appshunter.io/ios/app/margin-calculator-calcon/id1619680965)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lorex Pro

[App page](https://appshunter.io/ios/app/lorex-pro/id1645895184)

Control your professional-grade security systems remotely. Connect and manage your N884-series recorders from anywhere, ensuring property safety with simple mobile access.

**Highlights:** Remote security system control, Connect and manage recorders, Mobile access, Property safety monitoring, N884-series recorder compatibility

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well
- 💡 Huge improvement over previous apps
- 🚀 Smooth and seamless playback
- 🚀 Responsive and fast

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Unreliable notifications
- 🐛 Playback and remote view issues
- 🐛 Compatibility problems with iPads
- 🐛 Confusing and not user-friendly

**Reported bugs**

- App crashes on iPad with latest iOS
- Notifications not working consistently
- Playback not working as expected
- Camera feeds not loading properly

**Requested features**

- Add picture-in-picture support
- Improve event/motion detection logging
- Add ability to disable cameras with one click
- Provide better privacy controls
- Integrate with more camera brands


## Frequently asked questions

### Is Margin Calculator free?

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

### Is Lorex Pro free?

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

### Do Margin Calculator or Lorex Pro have ads?

Neither Margin Calculator nor Lorex Pro shows ads.

### Which is updated more often, Margin Calculator or Lorex Pro?

Margin Calculator ships an update every 11 days, and Lorex Pro every 4 months. Most recently, Margin Calculator was updated on October 7, 2026 and Lorex Pro 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.*