# BFM Calculator vs NZAT

The clearest difference is ads: BFM Calculator at none against NZAT's shown. BFM Calculator also leads on iOS requirement (11.0 vs 15.5). NZAT's advantage is update cadence (monthly vs every 3 months). On price, 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.

BFM Calculator ships an update every 3 months, NZAT monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | BFM Calculator | NZAT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Size | 94 MB | 27 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BFM® Global Ltd.](https://appshunter.io/developer/1371382736) | [Groundtruth Limited](https://appshunter.io/developer/894469722) |

## What reviewers say

### BFM Calculator

[App page](https://appshunter.io/ios/app/bfm-calculator/id1371382737)

**Features:** macOS Compatibility

**In-app purchases:** none


### NZAT

[App page](https://appshunter.io/ios/app/nzat/id6483054724)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BFM Calculator free?

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

### Is NZAT free?

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

### Do BFM Calculator or NZAT have ads?

NZAT shows ads; BFM Calculator does not.

### Which is updated more often, BFM Calculator or NZAT?

BFM Calculator ships an update every 3 months, and NZAT monthly. Most recently, BFM Calculator was updated on October 26, 2026 and NZAT on October 27, 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.*