Comparison

SUNNYSKY vs StudioX Flow

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

Head to head

About

SUNNYSKY

Features

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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.

About

StudioX Flow

Features

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StudioX Flow is an app for RC Helicopter pilots. It allows to configure your BEASTX MICROBEAST PLUS, MICROBEAST ULTRA, NANOBEAST and SPEKTRUM AR7210BX flybarless system. You can use it to configure your devices, backup and restore presets, perform updates, load helicopter specific presets and much more... Please note: To connect to your device a BLE2SYS Bluetooth interface or similar BLE to Serial adapter is required. To access demo mode click the "?" in the upper right corner of the main screen.

Screenshots

SUNNYSKY4 screens

StudioX Flow4 screens

Verdict

The call

The clearest difference is update cadence: SUNNYSKY at every 9 days against StudioX Flow's every 3 weeks. StudioX Flow's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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

SUNNYSKY ships an update every 9 days, StudioX Flow every 3 weeks. The most recent releases landed on February 26, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 4 level

SUNNYSKY versus StudioX Flow: the parameters behind the verdict, then further details
Parameter	SUNNYSKY	StudioX Flow
Price	Free	Free
Update frequency	Every 9 days — better	Every 3 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod, Mac — better
Requires iOS	12.4 — better	13.0
Further details — not scored
Size	5 MB	71 MB
Age rating	4+	4+
Developer	翔任	freakware

In-app purchases

None

SUNNYSKY

No in-app purchases

None

StudioX Flow

No in-app purchases

Questions

Is SUNNYSKY free?

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

Is StudioX Flow free?

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

Do SUNNYSKY or StudioX Flow have ads?

Neither SUNNYSKY nor StudioX Flow shows ads.

Which is updated more often, SUNNYSKY or StudioX Flow?

SUNNYSKY ships an update every 9 days, and StudioX Flow every 3 weeks. Most recently, SUNNYSKY was updated on February 26, 2026 and StudioX Flow on September 21, 2026.