Comparison

Gray Designs Ground Station vs BT Car Controller

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Gray Designs Ground Station

Features
Read full description

One app for every Gray Designs flight computer. Configure flight computers for launch, track rocket location for recovery, and download data after touchdown all in the app.

About

BT Car Controller

Read full description

BT Car Controller combines Bluetooth control and real-time camera streaming in one simple app. Control your RC car and watch the live video feed directly from your car camera. - Support Arduino, ESP32 and other development boards. - Quick connection, easy use. - FREE forever. Developed by Lanmootech. We are committed to providing maker education. Website: https://www.lanmootech.com E-mail: service@lanmootech.com

Screenshots

Gray Designs Ground Station4 screens
BT Car Controller3 screens

Verdict

The call

The clearest difference is device support: BT Car Controller at 3 against Gray Designs Ground Station's 1. BT Car Controller also leads on iOS requirement (15 vs 17.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gray Designs Ground Station ships an update monthly, BT Car Controller every 3 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

Scorecard2 real differences ยท 4 level
Gray Designs Ground Station versus BT Car Controller: the parameters behind the verdict, then further details
ParameterGray Designs Ground StationBT Car Controller
PriceFreeFree
Update frequencyMonthlyEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.515 โ€” better
Further details โ€” not scored
Size2 MB3 MB
Age rating4+4+
DeveloperSam TheilRUI-SHENG CHEN

In-app purchases

None

Gray Designs Ground Station

No in-app purchases

None

BT Car Controller

No in-app purchases

Questions

Is Gray Designs Ground Station free?
Gray Designs Ground Station is free to download, with no in-app purchases.
Is BT Car Controller free?
BT Car Controller is free to download, with no in-app purchases.
Do Gray Designs Ground Station or BT Car Controller have ads?
Neither Gray Designs Ground Station nor BT Car Controller shows ads.
Which is updated more often, Gray Designs Ground Station or BT Car Controller?
Gray Designs Ground Station ships an update monthly, and BT Car Controller every 3 weeks. Most recently, Gray Designs Ground Station was updated on October 25, 2026 and BT Car Controller on October 7, 2026.

Other comparisons