# ZMX Mobile vs BSEC Options Calculator

The clearest difference is update cadence: BSEC Options Calculator at every 4 days against ZMX Mobile's every 3 months. ZMX Mobile's advantage is iOS requirement (13.0 vs 15.1). 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.

ZMX Mobile ships an update every 3 months, BSEC Options Calculator every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | ZMX Mobile | BSEC Options Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 20 MB | 19 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zimbabwe Mercantile Exchange](https://appshunter.io/developer/1570797252) | [Andri de Jager](https://appshunter.io/developer/1842341055) |

## What reviewers say

### ZMX Mobile

[App page](https://appshunter.io/ios/app/zmx-mobile/id1570797250)

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

**In-app purchases:** none


### BSEC Options Calculator

[App page](https://appshunter.io/ios/app/bsec-options-calculator/id6753072802)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZMX Mobile free?

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

### Is BSEC Options Calculator free?

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

### Do ZMX Mobile or BSEC Options Calculator have ads?

Neither ZMX Mobile nor BSEC Options Calculator shows ads.

### Which is updated more often, ZMX Mobile or BSEC Options Calculator?

ZMX Mobile ships an update every 3 months, and BSEC Options Calculator every 4 days. Most recently, ZMX Mobile was updated on October 25, 2026 and BSEC Options Calculator on October 25, 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.*