KingKing voice roaming service

By: CSL Mobile Limited

KingKing allows you to call any Hong Kong landline number from overseas.

KingKing voice roaming service

KingKing voice roaming service

Features & Capabilities

KingKing by 1O1O/csl is a VoIP app enabling free outgoing calls to any Hong Kong number and receiving calls globally via Wi-Fi. It works both in Hong Kong and internationally, allowing users to avoid exorbitant roaming charges. Existing users keep their 1O1O/csl number and caller ID while calling any fixed-line or mobile user in Hong Kong without requiring the receiver to have the app or be a subscriber. SMS sending is also supported across carriers. Users can familiarize themselves with KingKing in Hong Kong before traveling, enjoying seamless voice connectivity at home or abroad.

With KingKing, enjoy the convenience of making and receiving calls anywhere without roaming fees, all backed by 1O1O/CSL's reliable network and terms. Whether staying local or overseas, KingKing offers a cost-effective, user-friendly communication solution for Hong Kong callers.

User Growth & Download Statistics

App Communication

By:

CSL Mobile Limited

Downloads:

Rating:

Version:

6.0.12 Last updated: 2024-12-06

Version code:

262

Creation date:

2012-09-10

Publisher country:

HK

Permissions:

android.permission.ACCESS_COARSE_LOCATION Very high risk
android.permission.ACCESS_FINE_LOCATION Very high risk
android.permission.CALL_PHONE Very high risk
android.permission.CAMERA Very high risk
android.permission.FOREGROUND_SERVICE_MICROPHONE Very high risk
android.permission.GET_ACCOUNTS Very high risk
android.permission.READ_CONTACTS Very high risk
android.permission.READ_PHONE_STATE Very high risk
android.permission.RECORD_AUDIO Very high risk
android.permission.WRITE_CONTACTS Very high risk

Size:

83.67MB

Email:

cu*****@hkcsl.com

URLs:

Website ,Privacy policy

Full description:

Source:

Google Play Store

Data ingested on:

2026-06-12

Compare stats and ranking:

Ranking

# 124,931 ▲ 1,049

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.

Developed by:

CSL Mobile Limited

Google Play Store

https://play.google.com/store/apps/details?id=com.pccw.mobile.sip02

Email:

cu*****@hkcsl.com

Website:

https://www.hkcsl.com/tc/kingking-voice-roaming-service/

Publisher Change History

2025-01-15: an*****@gmail.com to cu*****@hkcsl.com

Upgrade to see full email

User Reviews

Pros

Allows calling back credit card centers in Hong Kong from abroad, saving late charges.
Previously a useful app for calling while overseas.
Update made it possible to use the app on Data instead of just WiFi.

Cons

Frequent server errors and instability across multiple Android devices.
Issues with call clarity, including stuttering and dropped connections.
Problems with the keypad functionality during automated calls.
Unreliable with dual SIM phones, causing difficulties in making calls.

Recent reviews

absolutely horrible app a horrible design. too many bugs! Try using a brain when you design an app please!

by

Sa*****, 2025-10-17

Almost every operation will trigger a loading message. It is irritating and makes the App slow to use.

by

De*****, 2025-05-09

The other end cannot hear me!

by

*****, 2025-02-23

View all user reviews ›

Best KingKing voice roaming service Alternatives

Here are some Android apps that are similar to KingKing voice roaming service:

Foreign King Qatar /OPC81000

Zahin Telecom LLC

Hong Kong Broadband Network Limited.

Hutchison Telephone Company Limited

HGC Global Communications Limited

HiHiTalk Smart Phone Dialler

VSC Solutions Company

KeepCalling International

Miron Enterprises, LLC

Hello King Dialer

Nemoslab Co., Ltd

Saudi Express / OPC70000

Zahin Telecom LLC

CSTAdvisoryServies