# ISD Go vs RC Pit Calc Pro

The clearest difference is rating: RC Pit Calc Pro at 4.4 against ISD Go's 1.8. RC Pit Calc Pro also leads on review sentiment (60% vs 19%). ISD Go's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. RC Pit Calc Pro sells 1 one-off in-app purchase. ISD Go asks for nothing beyond the download.

RC Pit Calc Pro holds the better App Store score, 4.4 against 1.8. Both are backed by a comparable volume of ratings — 31 and 25 respectively. Written reviews point the same way: 19% of ISD Go's written reviews are positive against 60% of RC Pit Calc Pro's.

ISD Go ships an update weekly, RC Pit Calc Pro every 4 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ISD Go | RC Pit Calc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (31 ratings)](https://appshunter.io/ios/app/isd-go/id1447072980/reviews) | **[4.4 (25 ratings)](https://appshunter.io/ios/app/rc-pit-calc-pro/id1562268871/reviews)** |
| Number of ratings | **31** | 25 |
| Positive reviews | 18.5% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | Free |
| Size | 26 MB | 59 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) | [Degree3, Inc.](https://appshunter.io/developer/1497876563) |

## What reviewers say

### ISD Go

[App page](https://appshunter.io/ios/app/isd-go/id1447072980)

Control and manage wireless smart devices with a user-friendly interface. Connect and operate devices via Bluetooth, and receive automatic firmware updates when new versions are available.

**Highlights:** Connect BLE smart devices, Wireless device operation, Automatic firmware detection, Firmware upgrades, User-friendly interface

**In-app purchases:** none

**What reviewers like**

- 👍 Easy firmware updates (sometimes)
- 👍 Practical app interface
- 👍 Works for some users
- 👍 Good hardware functionality (without app)

**What reviewers complain about**

- 🐛 Frequent connection drops (Bluetooth)
- 🐛 Firmware update failures
- 🐛 Device not detected
- 🐛 App crashes
- 🐛 Inaccurate readings/settings

**Reported bugs**

- App crashes during updates
- Device not recognized by app
- Abnormal network connection for firmware server
- App not updated for current iOS
- Bluetooth not reconnecting

**Requested features**

- Update app for current iOS
- Fix firmware update issues
- Improve Bluetooth connection stability
- Allow discharging to lower voltages (e.g., 0.0V)
- Increase discharge current options


### RC Pit Calc Pro

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

This app provides a comprehensive suite of calculators for RC car enthusiasts, covering gear ratios, suspension geometry, shock tuning, and more. It helps racers and bashers optimize their vehicle's performance with precise calculations and real-world data.

**Highlights:** Gear ratio and FDR calculation, Pinion and top speed recommendation, Suspension geometry calculator, Shock oil temperature and blending, Fuel usage calculator, Corner weight analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Backer | $4.99 | one-time |


## Frequently asked questions

### Is ISD Go free?

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

### Is RC Pit Calc Pro free?

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

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

RC Pit Calc Pro is rated higher. ISD Go averages 1.8 out of 5 from 31 ratings, while RC Pit Calc Pro averages 4.4 from 25 ratings.

### Do ISD Go or RC Pit Calc Pro have ads?

Neither ISD Go nor RC Pit Calc Pro shows ads.

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

ISD Go ships an update weekly, and RC Pit Calc Pro every 4 days. Most recently, ISD Go was updated on October 24, 2026 and RC Pit Calc Pro on October 30, 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.*