# BigNum Calc vs Helm

The clearest difference is in-app purchases: BigNum Calc at none against Helm's 1. BigNum Calc also leads on iOS requirement (11.0 vs 17). On price there is nothing between them.

Both are free to download. Helm sells 1 one-off in-app purchase. BigNum Calc asks for nothing beyond the download.

## The numbers

| Metric | BigNum Calc | Helm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 40 MB | 28 MB |
| Requires iOS | **11.0** | 17 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Wei WEI](https://appshunter.io/developer/1483741762) | [Cappsule Teknoloji](https://appshunter.io/developer/1676687521) |

## What reviewers say

### BigNum Calc

[App page](https://appshunter.io/ios/app/bignum-calc/id6444735525)

**In-app purchases:** none


### Helm

[App page](https://appshunter.io/ios/app/helm-mac-remote-controller/id6761204919)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Helm Pro | $4.99 | one-time |


## Frequently asked questions

### Is BigNum Calc free?

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

### Is Helm free?

Helm 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.*