# Satellite Calculator vs WinDrive User

The clearest difference is update cadence: Satellite Calculator at every 2 months against WinDrive User's every 6 months. On price, ads, 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.

Satellite Calculator ships an update every 2 months, WinDrive User every 6 months. The most recent releases landed on September 12, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Satellite Calculator | WinDrive User |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 37 MB | 68 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Satellite Industries Inc.](https://appshunter.io/developer/1695917754) | [WIN HOLDING CORP S.A.C. - WINHOL S.A.C](https://appshunter.io/developer/1744348472) |

## What reviewers say

### Satellite Calculator

[App page](https://appshunter.io/ios/app/satellite-calculator/id6457316132)

**Features:** macOS Compatibility

**In-app purchases:** none


### WinDrive User

[App page](https://appshunter.io/ios/app/windrive-user/id6502171992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Satellite Calculator free?

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

### Is WinDrive User free?

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

### Do Satellite Calculator or WinDrive User have ads?

Neither Satellite Calculator nor WinDrive User shows ads.

### Which is updated more often, Satellite Calculator or WinDrive User?

Satellite Calculator ships an update every 2 months, and WinDrive User every 6 months. Most recently, Satellite Calculator was updated on September 12, 2026 and WinDrive User on June 5, 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.*