Comparison

Karbon vs Sounds Good

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

Head to head

Socks

About

Karbon

Control your heated socks via Bluetooth. Adjust heating levels, activate standby mode, and monitor battery status. You can also personalize the names of your sock batteries.

Highlights

Bluetooth sock control
3 heating levels
Standby mode
Battery status display
Customizable battery names

Read full description

This app allows you to control your Karbon heated socks through the Bluetooth functionality of your mobile device. You will be able to easily control your heated socks since it offers the possibility of 3 heating levels, a standby mode, a clear visual of the battery status, as well as the possibility to customize the name of your batteries

About

Sounds Good

Features

Read full description

Welcome to the Sounds Good app — your hub for personalizing your SG OASIS experience. Easily manage Active Noise Cancellation, adjust or disable touch controls, and shape your sound with the 10-band EQ. Explore more ways to fine-tune your settings, so every detail matches your preferences perfectly.

Screenshots

Karbon4 screens

Sounds Good4 screens

Verdict

The call

The clearest difference is iOS requirement: Karbon at 12.0 against Sounds Good's 15.6. On price, update cadence, ads and in-app purchases 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

Karbon ships an update every 3 weeks, Sounds Good monthly. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 7 level

Karbon versus Sounds Good: the parameters behind the verdict, then further details
Parameter	Karbon	Sounds Good
Price	Free	Free
Positive reviews	25.0% of reviews	—
Update frequency	Every 3 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.0 — better	15.6
Further details — not scored
Size	25 MB	187 MB
Age rating	4+	4+
Developer	Shenzhen Kang Cheng Century Technology Co., Ltd.	Rotule Inc

In-app purchases

None

Karbon

No in-app purchases

None

Sounds Good

No in-app purchases

Questions

Is Karbon free?

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

Is Sounds Good free?

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

Do Karbon or Sounds Good have ads?

Neither Karbon nor Sounds Good shows ads.

Which is updated more often, Karbon or Sounds Good?

Karbon ships an update every 3 weeks, and Sounds Good monthly. Most recently, Karbon was updated on October 14, 2026 and Sounds Good on October 28, 2026.