# Westelecom SIP vs The Calculo

The clearest difference is iOS requirement: Westelecom SIP at 6.0 against The Calculo's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Westelecom SIP ships an update monthly, The Calculo every 2 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Westelecom SIP | The Calculo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 42 MB | 8 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vadym Mindak](https://appshunter.io/developer/1210070512) | [Anton Gorlov](https://appshunter.io/developer/1448904792) |

## What reviewers say

### Westelecom SIP

[App page](https://appshunter.io/ios/app/westelecom-sip/id1092585307)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Calculo

[App page](https://appshunter.io/ios/app/the-calculo/id1449266399)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Westelecom SIP free?

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

### Is The Calculo free?

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

### Do Westelecom SIP or The Calculo have ads?

Neither Westelecom SIP nor The Calculo shows ads.

### Which is updated more often, Westelecom SIP or The Calculo?

Westelecom SIP ships an update monthly, and The Calculo every 2 months. Most recently, Westelecom SIP was updated on October 26, 2026 and The Calculo on October 26, 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.*