# RC Pit Calc Pro vs XC

The clearest difference is rating: RC Pit Calc Pro at 4.4 against XC's 3.8. RC Pit Calc Pro also leads on update cadence (every 5 days vs every 3 months) and review sentiment (60% vs 33%). XC's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. RC Pit Calc Pro sells 3 one-off in-app purchases. XC asks for nothing beyond the download.

RC Pit Calc Pro holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 24 and 10 respectively. Written reviews point the same way: 60% of RC Pit Calc Pro's written reviews are positive against 33% of XC's.

RC Pit Calc Pro ships an update every 5 days, XC every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RC Pit Calc Pro | XC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (24 ratings)](https://appshunter.io/ios/app/rc-pit-calc-pro/id1562268871/reviews)** | [3.8 (10 ratings)](https://appshunter.io/ios/app/xc-link/id6477151244/reviews) |
| Number of ratings | **24** | 10 |
| Positive reviews | **60.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 35 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Degree3, Inc.](https://appshunter.io/developer/1497876563) | [Shenzhen XC-ESC Technology Co., Ltd.](https://appshunter.io/developer/1728620083) |

## What reviewers say

### RC Pit Calc Pro

[App page](https://appshunter.io/ios/app/rc-pit-calc-pro/id1562268871)

This app offers a suite of specialized calculators for RC car enthusiasts. It helps with gear ratios, suspension geometry, corner weights, oil viscosity, fuel usage, and top speed estimations. It also stores data for multiple cars and includes helpful guides.

**Highlights:** Gear ratio calculation, Suspension geometry analysis, Corner weight balancing, Shock oil viscosity adjustment, Fuel usage and pit stop planning, Top speed estimation, Oil blending for custom viscosity

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime backer | $2.00 | one-time |
| Lifetime Backer | $4.00 | one-time |
| Lifetime Backer | $4.99 | one-time |


### XC

[App page](https://appshunter.io/ios/app/xc-link/id6477151244)

Connect to your ESC via Bluetooth to adjust settings, view real-time and stored operational data like voltage and temperature, and perform firmware upgrades. Remotely restart your ESC for convenient control.

**Highlights:** Parameter settings, Real-time data display, Stored data reading, Firmware upgrades, Remote restart

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

**In-app purchases:** none


## Frequently asked questions

### Is RC Pit Calc Pro free?

RC Pit Calc Pro is free to download, with in-app purchases available.

### Is XC free?

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

### Which has better reviews, RC Pit Calc Pro or XC?

RC Pit Calc Pro is rated higher. RC Pit Calc Pro averages 4.4 out of 5 from 24 ratings, while XC averages 3.8 from 10 ratings.

### Do RC Pit Calc Pro or XC have ads?

Neither RC Pit Calc Pro nor XC shows ads.

### Which is updated more often, RC Pit Calc Pro or XC?

RC Pit Calc Pro ships an update every 5 days, and XC every 3 months. Most recently, RC Pit Calc Pro was updated on October 25, 2026 and XC on October 24, 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.*