# sci.calculator vs Vortex TMS Drivers App

The clearest difference is in-app purchases: Vortex TMS Drivers App at none against sci.calculator's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. sci.calculator sells 1 one-off in-app purchase. Vortex TMS Drivers App asks for nothing beyond the download.

sci.calculator ships an update every 5 weeks, Vortex TMS Drivers App monthly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | sci.calculator | Vortex TMS Drivers App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 49 MB | 23 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) | [Vortex Tech LLC](https://appshunter.io/developer/1810716087) |

## What reviewers say

### sci.calculator

[App page](https://appshunter.io/ios/app/scicalculator/id1620728508)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove Ads | $1.99 | one-time |


### Vortex TMS Drivers App

[App page](https://appshunter.io/ios/app/vortex-tms-drivers-app/id6745099444)

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

**In-app purchases:** none


## Frequently asked questions

### Is sci.calculator free?

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

### Is Vortex TMS Drivers App free?

Vortex TMS Drivers App is free to download, with no in-app purchases.

### Do sci.calculator or Vortex TMS Drivers App have ads?

Neither sci.calculator nor Vortex TMS Drivers App shows ads.

### Which is updated more often, sci.calculator or Vortex TMS Drivers App?

sci.calculator ships an update every 5 weeks, and Vortex TMS Drivers App monthly. Most recently, sci.calculator was updated on September 30, 2026 and Vortex TMS Drivers App on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*