Software Alternatives, Accelerators & Startups

SimpleTexting VS ZelNum

Compare SimpleTexting VS ZelNum and see what are their differences

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SimpleTexting logo SimpleTexting

SimpleTexting offers SMS and text marketing services for companies of all sizes.

ZelNum logo ZelNum

Turn CSV/TXT lists into actionable segments with phone validation, carrier and HLR intelligence, messaging-app, social-account, and crypto-exchange checks, plus API workflows.
  • SimpleTexting Landing page
    Landing page //
    2023-09-19
  • ZelNum
    Image date //
    2026-07-27
  • ZelNum
    Image date //
    2026-07-27
  • ZelNum
    Image date //
    2026-07-27
  • ZelNum
    Image date //
    2026-07-27

ZelNum is a self-service bulk verification and data-quality platform for phone intelligence, messaging apps, social and consumer accounts, and crypto exchanges.

Upload CSV or TXT lists to check phone status, live activity, carrier and line type, HLR-style network signals, phone model, and duplicate or invalid records.

Run phone- and email-based account-signal checks across WhatsApp, Telegram, Facebook, TikTok, iMessage, RCS, Zalo, LINE, Viber, Instagram, LinkedIn, Snapchat, Signal, BAND, Amazon, Apple ID, and Microsoft, together with supported crypto exchanges such as Binance, KuCoin, CoinW, and HTX.

Depending on the product, workflows can include activity, account-age, username, and selected profile signals. Export structured segments for list cleaning, CRM preparation, messaging operations, community management, and data workflows.

Developers can use task-based APIs for batch submission, status monitoring, and result retrieval.

ZelNum

Website
zelnum.com
$ Details
freemium $1.0 (10,000 WhatsApp number checks)
Platforms
Web REST API SaaS
Release Date
2026 May

SimpleTexting features and specs

  • Ease of Use
    SimpleTexting offers a straightforward and user-friendly interface, making it easy for users to navigate and send text messages efficiently.
  • Integration Capabilities
    The platform supports integration with various applications such as Mailchimp, Zapier, and other CRM tools, enhancing its utility and accessibility.
  • Excellent Customer Support
    SimpleTexting has a reputation for providing responsive and knowledgeable customer support through multiple channels, including live chat and email.
  • Robust Analytics
    The platform provides detailed analytics and reporting features, allowing users to track the performance of their SMS campaigns effectively.
  • Customization Options
    Offers extensive customization options for SMS campaigns, including personalized messages and custom fields to target specific audiences.

Possible disadvantages of SimpleTexting

  • Pricing
    Some users find SimpleTexting pricing to be on the higher side, especially for small businesses or startups with limited budgets.
  • Limited International Reach
    While SimpleTexting performs well within the United States, its international messaging capabilities are somewhat limited compared to other services.
  • Learning Curve for Advanced Features
    While the basic features are easy to use, some of the more advanced capabilities have a steeper learning curve and may require additional time to master.
  • No Two-Way Messaging by Default
    Two-way messaging, which allows recipients to respond to SMS messages, is not enabled by default and may require additional setup or costs.

ZelNum features and specs

  • Bulk Phone Validation
    Validate, normalize and segment phone numbers from CSV or TXT files.
  • Messaging App Checks
    Check selected phone-number and account signals across WhatsApp, Telegram, Facebook, iMessage, RCS, Zalo, LINE, and Viber.
  • Carrier and HLR Lookup
    Identify carrier, country, line type, and HLR-style network signals.
  • Phone Status and Activity Checksใ€‚
    Identify active, inactive, risky, and recently active numbers where supported.
  • Social Account Checks
    Check phone- and email-based account signals across Instagram, TikTok, LinkedIn, Snapchat, Signal, BAND, Amazon, Apple ID, and Microsoft.
  • Crypto Exchange Account Checks
    Check supported phone and email account signals across Binance, KuCoin, CoinW, and HTX.
  • Email Account Checks
    Check email-based account signals across supported platforms and services.
  • Phone Model Detection
    Detect the phone brand and model associated with a mobile number where available.
  • List Cleaning and Segmentation
    Remove duplicate or invalid records and export structured result segments.
  • CSV/TXT Bulk Uploads
    Upload contact lists for batch verification, cleaning, and segmentation.
  • REST API Workflows
    Submit batch tasks, monitor processing status, retrieve results, and integrate verification into applications.

Analysis of SimpleTexting

Overall verdict

  • Overall, SimpleTexting is a reliable and efficient service for businesses looking to enhance their communication strategies through SMS marketing. It offers competitive pricing and a range of features that cater to both small and large businesses.

Why this product is good

  • SimpleTexting is considered good due to its user-friendly platform, robust features, and efficient customer support. It offers a variety of SMS marketing tools such as mass texting, two-way messaging, and integrations with other applications. The platform is also praised for its analytics capabilities, which help businesses track and optimize their campaigns.

Recommended for

  • Small to medium-sized businesses looking to adopt SMS marketing.
  • Organizations that require two-way communication with their customers.
  • Businesses that need integration between their SMS service and other marketing or CRM tools.
  • Marketers who appreciate detailed analytics for campaign optimization.

Analysis of ZelNum

Overall verdict

  • BulkChecker.io appears to be a bulk email/domain verification tool designed to help users validate large lists of email addresses to reduce bounce rates and improve deliverability, but as I don't have verified, up-to-date information on this specific service, I'd recommend researching current user reviews, checking recent uptime/accuracy reports, and testing with a small sample before committing to a larger plan.

Why this product is good

  • Bulk verification tools generally save time by processing large email lists quickly compared to manual checks
  • Such services typically help improve email deliverability by removing invalid or risky addresses before sending campaigns
  • May offer API access for integration into existing workflows or CRM systems
  • Often provide tiered pricing that can scale with list size, potentially cost-effective for growing needs

Recommended for

  • Email marketers needing to clean large subscriber lists before campaigns
  • Businesses looking to reduce bounce rates and protect sender reputation
  • Developers wanting API-based email validation integration
  • Users who should independently verify current pricing, accuracy rates, and customer support quality before relying on this specific service

SimpleTexting videos

SimpleTexting Platform Demo

More videos:

  • Review - Getting Started with SimpleTexting

ZelNum videos

No ZelNum videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to SimpleTexting and ZelNum)
SMS Marketing
100 100%
0% 0
Data Validation
0 0%
100% 100
Business Text Messaging
100 100%
0% 0
Phone Number Validation
0 0%
100% 100

Questions & Answers

As answered by people managing SimpleTexting and ZelNum.

Why should a person choose your product over its competitors?

ZelNum's answer:

ZelNum supports multiple verification types, usage-based pricing, downloadable result segments, and task-based API processing without requiring a subscription.

How would you describe the primary audience of your product?

ZelNum's answer:

Marketing teams, CRM operators, developers, agencies, community managers, and businesses that need to clean or enrich large contact lists.

What makes your product unique?

ZelNum's answer:

ZelNum combines phone validation, carrier lookup, WhatsApp and Telegram checks, and other account signals in one bulk CSV/TXT and API workflow.

User comments

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Social recommendations and mentions

Based on our record, SimpleTexting seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

SimpleTexting mentions (3)

  • Feeling so lost in my business
    Sorry. I have a solution. And it's free. But it need a hard work. Go to Google maps. And search for specific niche let's say House cleaning service in new york. And start looking at all results and if they don't have a website call them and offer your service. You can invest also in automatic system like https://simpletexting.com and collect all results phone number and send bulk sms with your service link. I hope... Source: about 3 years ago
  • Text Messaging
    Better is to find a business texting solution. For example Avochato has Slack integration. A quick google for "Business Texting" finds a lot of options, like SimpleTexting, or TextUs. Or if you are just doing mass notifications, there are options for that specifically as well. Source: over 4 years ago
  • The Future Of Virtual Reality
    Again, see here, the introduction of a smartphone to the market started in 1994. IBM released their first smartphone, according to simpletexting.com, a devastating 77% of all adult Americans. The approximate population of American adults is 209,128,094 according to infoplease.com, and 77% of that is 161,068,232 adults that have a smartphone, imagine that, it is only the adults, teens around 13 to 17 has a 95% that... Source: over 4 years ago

ZelNum mentions (0)

We have not tracked any mentions of ZelNum yet. Tracking of ZelNum recommendations started around Jul 2026.

What are some alternatives?

When comparing SimpleTexting and ZelNum, you can also consider the following products

EZ Texting - EZ Texting provides SMS marketing solutions to businesses of all sizes.

CheckNumber.AI - CheckNumber.AI provides professional and free WhatsApp number check online service, and provides a professional WhatsApp Number Checker API that can quickly check and detect WhatsApp number in bulk.

SlickText - Slick Text provides businesses and organizations with an easy and affordable platform for text message marketing.

Numverify - Global phone number validation and lookup API

Textmagic - Send time-sensitive texts and email campaigns, track results, and manage your business conversations on the most popular channels.

Lookup by Twilio - Know the details behind every phone number