How to Filter a Korean Mobile Number? Accurately Acquire Korean Messenger App Users

In the attention economy, communities that can accurately identify and activate high-quality users will have an absolute advantage in the competition.

For cross-border merchants doing WS marketing, the biggest headache is the "invalid number trap": a list of numbers purchased at great expense might only receive a reply to 10 out of 1000 messages sent, with over 60% being invalid or cancelled numbers.Blindly pushing content to risky accounts resulted in the newly established WS account being banned within 3 days, causing all initial investments to go down the drain.

In fact, professional WS number filtering software is the key to solving these problems: WS number filtering software can quickly eliminate invalid numbers, ensuring that every penny of marketing expenditure is spent effectively.The ITG Global Screening WS account filtering software offers dual protection of "precise filtering + safe account nurturing." Even complete beginners can easily use the WS account filtering software to improve efficiency and double their marketing results.In 2025, WS platform upgraded its risk control measures. Invalid numbers not only waste money but may also trigger account bans. WS number filtering software is the "cost protector" for merchants.

After the filtering is completed, a detailed report is generated, showing the number of valid numbers, the percentage of invalid number types (empty numbers 20%, virtual numbers 5%, etc.), the percentage of target customers, and other data, making the results clear at a glance;If your WS account isn't properly nurtured, all your efforts in screening customers will be wasted. Use the account nurturing function of this WS account screening software to make new accounts as stable as old ones.

With cross-border marketing costs remaining high, instead of wasting money on invalid numbers, it's better to use ITG's global filtering WS number filtering software to precisely break through the bottleneck.

It can not only quickly eliminate invalid numbers and target precise customers, but also ensure account security, so that every investment will be worthwhile.Having trouble exporting accounts across multiple platforms? The system supports one-click export of screening results, enabling unified management across Telegram, WhatsApp, LinkedIn, and Facebook.

Want to quickly target potential customers? The cloud-based control system combines interactive, online, and age/gender screening to ensure precise and efficient outreach.Confused about managing numerous social media accounts? The system supports self-screening, proxy screening, and detailed screening modes, enabling efficient batch account management and saving operational time.

Want to understand user online patterns? The system uses startup and online screening to quickly identify the active status of high-value users and improve ad targeting rates.Having low conversion rates for social media marketing? The cloud control platform uses multi-dimensional screening based on profile pictures, nicknames, age, and gender to precisely target potential users and improve marketing effectiveness.