Comparison

FeasyBlue vs PusunString

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

Head to head

About

FeasyBlue

Features

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Function: The app used for Bluetooth Low Energy communication and modify Feasycom‘s bluetooth module information. Feature: 1.Bluetooth RSSI display. 2.Friendly UI. 3.Configurable UUID. 4.Easier Bluetooth communication. 5.Support OTA hardware firmware.

About

PusunString

Features

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A dedicated companion app designed for smart racket stringing machines. Connect effortlessly via Bluetooth (BLE) to achieve precise tension adjustments and full parameter control for tennis and badminton stringing. Key Features Instant Bluetooth Pairing: Fast, reliable wireless connection to your stringing machine. Precise Parameter Tuning: Fine-tune tension values (lbs/kg), pre-stretch ratios, knot over-pull, and pulling speed with high precision. Real-Time Monitoring: Clear display of live tension data, machine status, and stringing progress.

Screenshots

FeasyBlue4 screens

PusunString4 screens

Verdict

The call

The clearest difference is update cadence: PusunString at weekly against FeasyBlue's every 3 months. FeasyBlue's advantage is iOS requirement (13 vs 15.0). 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

FeasyBlue ships an update every 3 months, PusunString weekly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level

FeasyBlue versus PusunString: the parameters behind the verdict, then further details
Parameter	FeasyBlue	PusunString
Price	Free	Free
Update frequency	Every 3 months	Weekly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod, Apple Watch — better
Requires iOS	13 — better	15.0
Further details — not scored
Size	5 MB	4 MB
Age rating	4+	4+
Developer	feasycom	Shenzhen pushang health technology co., LTD

In-app purchases

None

FeasyBlue

No in-app purchases

None

PusunString

No in-app purchases

Questions

Is FeasyBlue free?

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

Is PusunString free?

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

Do FeasyBlue or PusunString have ads?

Neither FeasyBlue nor PusunString shows ads.

Which is updated more often, FeasyBlue or PusunString?

FeasyBlue ships an update every 3 months, and PusunString weekly. Most recently, FeasyBlue was updated on October 29, 2026 and PusunString on October 31, 2026.