# RC Pit Calc Pro vs GF Device Link

The clearest difference is in-app purchases: GF Device Link at none against RC Pit Calc Pro's 3. GF Device Link also leads on iOS requirement (11.0 vs 15.0). RC Pit Calc Pro's advantage is update cadence (every 5 days vs every 5 months). On price, 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. GF Device Link asks for nothing beyond the download.

RC Pit Calc Pro ships an update every 5 days, GF Device Link every 5 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RC Pit Calc Pro | GF Device Link |
| --- | --- | --- |
| 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 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 41 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Degree3, Inc.](https://appshunter.io/developer/1497876563) | [G FORCE, K.K.](https://appshunter.io/developer/863835209) |

## 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 |


### GF Device Link

[App page](https://appshunter.io/ios/app/gf-device-link/id1563122183)

**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 GF Device Link free?

GF Device Link is free to download, with no in-app purchases.

### Do RC Pit Calc Pro or GF Device Link have ads?

Neither RC Pit Calc Pro nor GF Device Link shows ads.

### Which is updated more often, RC Pit Calc Pro or GF Device Link?

RC Pit Calc Pro ships an update every 5 days, and GF Device Link every 5 months. Most recently, RC Pit Calc Pro was updated on September 23, 2026 and GF Device Link on September 20, 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.*