# SF Drone vs Numerix Calculator

The clearest difference is in-app purchases: SF Drone at none against Numerix Calculator's 1. Numerix Calculator's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Numerix Calculator sells 1 one-off in-app purchase. SF Drone asks for nothing beyond the download.

## The numbers

| Metric | SF Drone | Numerix Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numerix-calculator/id6759518271/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 6 months |
| Size | 59 MB | 109 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [秋菊 莫](https://appshunter.io/developer/1536512171) | [Amit Kandial](https://appshunter.io/developer/1858479815) |

## What reviewers say

### SF Drone

[App page](https://appshunter.io/ios/app/sf-drone/id6544792660)

**In-app purchases:** none


### Numerix Calculator

[App page](https://appshunter.io/ios/app/numerix-calculator/id6759518271)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Theme | $0.99 | one-time |


## Frequently asked questions

### Is SF Drone free?

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

### Is Numerix Calculator free?

Numerix Calculator is free to download, with in-app purchases available.

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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.*