
CheckNumber.AI
NumberCheck
numberchecker.ai
WA-Filter
LimePhone.io
Loqate
2Chat.co
Bulk WhatsApp, phone and email verification from a simple file upload

We are excited about solving customer’s complex accounting, distribution, POS, Payroll and mobiles sales application problems.

Which is more popular?
Based on our record, Flex Software seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | numberchecker.cloud | flexsoftware.com.my |
| Pricing | — | |
| Company | Startup from Pakistan | — |
| Listed in |
In their own words, as submitted to SaaSHub.


NumberChecker.cloud is a bulk contact verification platform for marketers, agencies, call centres and sales teams. Upload a list (from 2,000 up to 1,000,000 numbers) and get back only the numbers worth messaging or calling. Services: WhatsApp Number Checker, WhatsApp Business Checker, WhatsApp...
Flex Software is an accounting software company that is developing a software solution for Insurance Agents. Our product is called SAMS (Smart Agent Management System). The software will be cloud based online Customer Relationship Management for Life and General Insurance Agents. The platform...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
01 - NumberChecker Introduction
No Flex Software videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing NumberChecker.cloud and Flex Software.
NumberChecker.cloud's answer
NumberChecker.cloud was created to solve a practical campaign problem: businesses often waste money contacting numbers or emails that are inactive, invalid, unreachable, or unsuitable for the intended channel. The platform was built to help teams clean lists, improve targeting, and make better decisions before launching bulk outreach campaigns.
NumberChecker.cloud's answer
NumberChecker.cloud's answer
NumberChecker.cloud combines multiple contact verification checks in one platform: phone number status, WhatsApp availability, WhatsApp age and gender signals, RCS, iOS status, carrier/network lookup, and Gmail/Yahoo/Outlook email verification. It is built for bulk CSV workflows, so marketers and data teams can clean large contact lists before spending money on outreach.
NumberChecker.cloud's answer
The primary audience is marketers, lead generation agencies, CRM teams, sales teams, WhatsApp campaign managers, SMS senders, email marketers, and businesses that work with large contact lists and need to verify data quality before outreach.
NumberChecker.cloud's answer
Choose NumberChecker.cloud if you need bulk contact verification across multiple channels, not just one basic phone or email check. It helps reduce wasted campaign spend by identifying inactive, unreachable, unsupported, or low-quality contacts before sending SMS, WhatsApp, email, or other outreach campaigns.
NumberChecker.cloud's answer
NumberChecker.cloud uses a secure web platform, bulk CSV processing, contact verification workflows, API-ready architecture, and structured reporting/export tools. The technical stack is intentionally kept private for security and operational reasons
Share your experience with using NumberChecker.cloud and Flex Software. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking NumberChecker.cloud since Jun 2026.
Flex Software is the Best Accounting Software Companies in Malaysia that provides specialised IT services, for individual companies with specialised Hardware or Software product requirements while making every effort to provide the best... Source: over 3 years ago
Flexsoftware is a comprehensive and reliable accounting software based in Malaysia. It provides a range of features to help businesses track their financials more efficiently. Users benefit from intuitive controls and the ability to... Source: almost 4 years ago
Flex Software is the best online Accounting Software in Malaysia for Small, Mid-size and Large Businesses at Best Prices. It is easy and user-friendly accounting software to manage your business. Customers have different needs and Flex... Source: almost 4 years ago
When comparing NumberChecker.cloud and Flex Software, you can also consider the following products.

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Instantly verify phone numbers, emails, and social media accounts across WhatsApp, Telegram, Instagram, Facebook, and 10+ platforms. Fast, secure, and accurate.
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Filter valid and invalid WhatsApp numbers effortlessly with WA-Filter, the ultimate Chrome Extension for accurate number identification and efficient contact management.
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The Standard in Global Address Verification
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