# Control System Calc vs OpenScout

The clearest difference is ads: OpenScout at none against Control System Calc's shown. On price, update cadence, 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.

Control System Calc ships an update every 5 weeks, OpenScout every 3 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Control System Calc | OpenScout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (71 ratings)](https://appshunter.io/ios/app/openscout/id6801915606/reviews)** |
| Number of ratings | — | **71** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 10 MB | 23 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [洋 刘](https://appshunter.io/developer/6775317751) | [ROBOSTEM FOUNDATION INC](https://appshunter.io/developer/1873612725) |

## What reviewers say

### Control System Calc

[App page](https://appshunter.io/ios/app/control-system-calc/id6791956580)

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

**In-app purchases:** none


### OpenScout

[App page](https://appshunter.io/ios/app/openscout/id6801915606)

Follow VEX Robotics tournaments, track teams, and scout competitors. Features include live event updates, match notes, picklists, and practice tools. Sync data across devices with optional account sign-in.

**Highlights:** Follow VEX Robotics teams and events, Real-time rankings and match results, Scout teams and build picklists, Sync notes and picklists across devices, Tournament mode for quick event access, World Skills rankings, Practice field and timer tools

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

**In-app purchases:** none


## Frequently asked questions

### Is Control System Calc free?

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

### Is OpenScout free?

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

### Do Control System Calc or OpenScout have ads?

Control System Calc shows ads; OpenScout does not.

### Which is updated more often, Control System Calc or OpenScout?

Control System Calc ships an update every 5 weeks, and OpenScout every 3 weeks. Most recently, Control System Calc was updated on October 29, 2026 and OpenScout on October 29, 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.*