# RC Speed Calculator Pro vs DataLink V3

The clearest difference is update cadence: RC Speed Calculator Pro at fortnightly against DataLink V3's every 9 months. DataLink V3's advantage is iOS requirement (14.0 vs 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.

RC Speed Calculator Pro ships an update fortnightly, DataLink V3 every 9 months. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RC Speed Calculator Pro | DataLink V3 |
| --- | --- | --- |
| 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** | Every 9 months |
| Monetization | Free | — |
| Size | 160 MB | 8 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Degree3, Inc.](https://appshunter.io/developer/1497876563) | [Hobbywing Technology Co.,Ltd](https://appshunter.io/developer/1033124554) |

## What reviewers say

### 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


### DataLink V3

[App page](https://appshunter.io/ios/app/datalink-v3/id6752997274)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RC Speed Calculator Pro free?

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

### Is DataLink V3 free?

DataLink V3 is free to download, with no in-app purchases.

### Do RC Speed Calculator Pro or DataLink V3 have ads?

Neither RC Speed Calculator Pro nor DataLink V3 shows ads.

### Which is updated more often, RC Speed Calculator Pro or DataLink V3?

RC Speed Calculator Pro ships an update fortnightly, and DataLink V3 every 9 months. Most recently, RC Speed Calculator Pro was updated on October 22, 2026 and DataLink V3 on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*