# RUDDOG Performance vs RC Speed Calculator Pro

The clearest difference is iOS requirement: RUDDOG Performance at 9.0 against RC Speed Calculator Pro's 17.0. 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.

## The numbers

| Metric | RUDDOG Performance | RC Speed Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (23 ratings)](https://appshunter.io/ios/app/rc-speed-calculator-pro/id6445860835/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free |
| Size | 15 MB | 160 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RUDDOG Distribution GmbH](https://appshunter.io/developer/1579810656) | [Degree3, Inc.](https://appshunter.io/developer/1497876563) |

## What reviewers say

### RUDDOG Performance

[App page](https://appshunter.io/ios/app/ruddog-performance/id1579810564)

**Features:** macOS Compatibility

**In-app purchases:** none


### RC Speed Calculator Pro

[App page](https://appshunter.io/ios/app/rc-speed-calculator-pro/id6445860835)

Estimate your RC car's top speed by inputting details about its gearing, motor, and batteries. Record your estimates and actual speeds to compare different setups.

**Highlights:** Estimate RC car top speed, Input gearing, motor, and battery info, Record speed estimates, Log actual top speeds, Compare different car setups, Pre-filled car data

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

**In-app purchases:** none


## Frequently asked questions

### Is RUDDOG Performance free?

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

### Is RC Speed Calculator Pro free?

RC Speed Calculator Pro is free to download, with no in-app purchases.

### Do RUDDOG Performance or RC Speed Calculator Pro have ads?

Neither RUDDOG Performance nor RC Speed Calculator Pro 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.*