Comparison

XDFLY vs SUNNYSKY

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

Head to head

XDFLY

Free

🔧 Utilities

★ 1.01 ratingsView app →

About

XDFLY

Connects to your device's Bluetooth to adjust ESC parameters, view data, and upgrade firmware. Offers a direct link for managing electronic speed controllers.

Highlights

Bluetooth ESC connection
Parameter adjustment
Data viewing
Firmware upgrades

Features

Read full description

XDFLY establishes a connection through the Bluetooth of the mobile phone and the Bluetooth of the ESC, so as to realize the functions of adjusting the parameters of the ESC, viewing the data, and upgrading the firmware.

About

SUNNYSKY

Features

Read full description

SUNNYSKY establishes a connection through the Bluetooth of the mobile phone and the Bluetooth of the ESC, so as to realize the functions of adjusting the parameters of the ESC, viewing the data, and upgrading the firmware.

Screenshots

XDFLY4 screens

SUNNYSKY4 screens

Verdict

The call

The clearest difference is update cadence: SUNNYSKY at every 9 days against XDFLY's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

XDFLY ships an update every 5 weeks, SUNNYSKY every 9 days. The most recent releases landed on September 8, 2026 and February 26, 2026 respectively.

Scorecard1 real difference · 9 level

XDFLY versus SUNNYSKY: the parameters behind the verdict, then further details
Parameter	XDFLY	SUNNYSKY
Price	Free	Free
Rating	1.0 (1 ratings) — better	—
Positive reviews	0.0% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 5 weeks	Every 9 days — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.4	12.4
Further details — not scored
Size	16 MB	5 MB
Age rating	4+	4+
Developer	鹏杜	翔任

In-app purchases

None

XDFLY

No in-app purchases

None

SUNNYSKY

No in-app purchases

Questions

Is XDFLY free?

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

Is SUNNYSKY free?

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

Do XDFLY or SUNNYSKY have ads?

Neither XDFLY nor SUNNYSKY shows ads.

Which is updated more often, XDFLY or SUNNYSKY?

XDFLY ships an update every 5 weeks, and SUNNYSKY every 9 days. Most recently, XDFLY was updated on September 8, 2026 and SUNNYSKY on February 26, 2026.