# RC Pit Calc Pro vs ESC1

The clearest difference is in-app purchases: ESC1 at none against RC Pit Calc Pro's 3. RC Pit Calc Pro's advantage is update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RC Pit Calc Pro sells 3 one-off in-app purchases. ESC1 asks for nothing beyond the download.

RC Pit Calc Pro ships an update every 5 days, ESC1 every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | RC Pit Calc Pro | ESC1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (24 ratings)](https://appshunter.io/ios/app/rc-pit-calc-pro/id1562268871/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 19 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Degree3, Inc.](https://appshunter.io/developer/1497876563) | [恒 韦](https://appshunter.io/developer/1778270133) |

## 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 |


### ESC1

[App page](https://appshunter.io/ios/app/esc1/id6444383451)

**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 ESC1 free?

ESC1 is free to download, with no in-app purchases.

### Do RC Pit Calc Pro or ESC1 have ads?

Neither RC Pit Calc Pro nor ESC1 shows ads.

### Which is updated more often, RC Pit Calc Pro or ESC1?

RC Pit Calc Pro ships an update every 5 days, and ESC1 every 3 months. Most recently, RC Pit Calc Pro was updated on October 24, 2026 and ESC1 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.*