# Sigma Charge vs WhatsBackUp

The clearest difference is in-app purchases: Sigma Charge at none against WhatsBackUp's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WhatsBackUp sells 1 one-off in-app purchase. Sigma Charge asks for nothing beyond the download.

## The numbers

| Metric | Sigma Charge | WhatsBackUp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 54 MB | 58 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sigma Systems, Mmc](https://appshunter.io/developer/1726343396) | [Van Wyk De Waal](https://appshunter.io/developer/1868251092) |

## What reviewers say

### Sigma Charge

[App page](https://appshunter.io/ios/app/sigma-charge/id6476268128)

**Features:** macOS Compatibility

**In-app purchases:** none


### WhatsBackUp

[App page](https://appshunter.io/ios/app/whatsbackup/id6759268321)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BackupChat Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Sigma Charge free?

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

### Is WhatsBackUp free?

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

### Do Sigma Charge or WhatsBackUp have ads?

Neither Sigma Charge nor WhatsBackUp shows ads.

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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.*