Software Alternatives & Startups

Moz VS ZelNum

Compare Moz VS ZelNum and see what are their differences

Moz

Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.

Rating
5.0 · 1 review
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.

Rating
0 reviews
Pricing
Freemium $1 (10,000 WhatsApp number checks)
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Moz seems to be more popular. It has been mentioned 50 times since March 2021.

social mentions
50 vs 0
SEO Tools popularity
100% vs 0%
alternatives listed
240+ vs 7

Base details

Website, pricing, platforms and company facts side by side.

Moz
ZelNum
Website moz.com zelnum.com
Pricing
Freemium $1 (10,000 WhatsApp number checks) Official pricing
Platforms —
Web REST API SaaS
Company Startup from the United States · 100 - 249 employees · 2004 2026
Listed in

About Moz and ZelNum

In their own words, as submitted to SaaSHub.

Moz
ZelNum

No description of Moz yet.

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...

Read more about ZelNum

Features and specs

What each product offers, as listed by its team.

Moz 24 features
ZelNum 11 features
  • Comprehensive Toolset
    Moz offers a wide range of SEO tools, including keyword research, link building, site audits, and rank tracking, making it a comprehensive solution for digital marketers.
  • Ease of Use
    The intuitive user interface and clear navigation make it easy for users at all levels of expertise to utilize the platform effectively.
  • MozBar
    This Chrome extension allows users to access key metrics directly from their browser, providing on-the-go SEO insights.
  • High-Quality Educational Resources
    Moz offers extensive learning materials, including the Moz Blog, Whiteboard Fridays, and guides, to help users learn and improve their SEO skills.
  • Reliable Metrics
    Moz provides accurate and reliable metrics, such as Domain Authority and Page Authority, to help users measure their SEO performance effectively.
  • Comprehensive SEO Toolset
    Moz Pro offers a wide range of tools for keyword research, site audits, rank tracking, and link building, making it a one-stop solution for SEO needs.
  • User-Friendly Interface
    The platform is designed with a clean and intuitive interface, allowing both beginners and experienced users to navigate and use the tools effectively.
  • In-Depth SEO Reports
    Moz Pro provides detailed and customizable SEO reports that help users understand their website performance and identify areas for improvement.
  • Keyword Explorer
    This feature allows users to discover and analyze keywords to find those with the best potential for their SEO strategy.
  • Site Crawl Diagnostics
    Moz Pro’s site crawl feature identifies issues on your website that could impact your SEO, such as broken links and missing tags.
  • Strong Community and Support
    Moz enjoys a robust community and offers extensive resources, including blogs, forums, and customer support, to help users maximize the value of the tool.
  • Comprehensive SEO Tools
    Moz Analytics offers a wide range of SEO tools designed to help users improve their website's performance, including keyword research, link building, site auditing, and rank tracking.
  • Robust Reporting
    Moz Analytics provides detailed reporting features that allow users to track their progress and understand their SEO performance over time.
  • Community and Support
    Users benefit from a strong community and extensive support resources, including forums, webinars, and comprehensive documentation.
  • Regular Updates
    Moz consistently updates its tools and features in line with the latest SEO trends and algorithm changes, ensuring users have access to current best practices.
  • Comprehensive Metrics
    MozBar provides a detailed set of SEO metrics directly within your browser, including Domain Authority, Page Authority, and spam score, which are useful for assessing the SEO strength of any web page.
  • Competitive Analysis
    With MozBar, users can compare link metrics across multiple websites, helping to gain insight into competitors’ SEO strategies.
  • Flexible Search Options
    Users can conduct searches by region, city, or country, allowing for targeted analysis and understanding of localized search performance.
  • Highlight Links
    MozBar allows users to highlight and differentiate between follow and no-follow links, making backlink analysis more efficient.
  • Comprehensive Data
    Keyword Explorer by Moz provides extensive data on search volume, difficulty, and potential, allowing users to make informed decisions about their targeted keywords.
  • Accurate Difficulty Score
    Moz's Keyword Difficulty Score is known for its accuracy, helping users understand how challenging it would be to rank for a particular keyword.
  • SERP Analysis
    The tool offers detailed SERP analysis, showing the top-ranking pages and their metrics, which helps in understanding the competition and improving SEO strategies.
  • Keyword Suggestions
    It provides a list of related keywords and phrases, which can help in expanding and refining keyword strategy.
  • Integration with Moz Tools
    Keyword Explorer integrates seamlessly with other Moz tools, providing a unified platform for SEO management.

Possible disadvantages

  • Cost
    Moz’s pricing can be high for small businesses or individual users, making it less accessible for those with limited budgets.
  • Slow Updates
    Some users have reported that Moz can be slow in updating keyword rankings and other metrics, which can be frustrating for those needing real-time data.
  • Limited Global Databases
    While Moz is strong in certain regions, its databases are less comprehensive in some international markets compared to competitors.
  • Complexity for Beginners
    Despite its user-friendly interface, the depth and breadth of tools can be overwhelming for complete beginners to SEO.
  • Data Accuracy
    While generally reliable, there have been occasional concerns about the accuracy of Moz's backlink data compared to other SEO tools.
  • Pricing
    Moz Pro is relatively expensive compared to some other SEO tools, which might be a barrier for small businesses and individual users.
  • Learning Curve
    While the interface is user-friendly, the depth and breadth of features mean that new users may need time to learn how to use the platform effectively.
  • Limited Data for Lower Tiers
    Some of the lower-priced plans offer limited access to data and features, which may not be sufficient for larger or more competitive websites.
  • Data Limitations
    There may be limitations in terms of data availability and accuracy, particularly in comparison to some competitors who offer broader datasets.
  • Steep Learning Curve for Advanced Features
    While basic features are user-friendly, some of the more advanced functionalities may require a bit of a learning curve for new users.
  • Limited International Focus
    Moz has historically had a stronger focus on the US market, which may limit its applicability for users focusing predominantly on international SEO.
  • Keyword Data Restrictions
    Users sometimes report limitations in keyword data, particularly when compared with other tools that offer more extensive keyword research capabilities.
  • Limited Free Features
    Many of the advanced features of MozBar require a paid subscription, making it less accessible for users who prefer free tools.
  • Requires Moz Account
    Users must create a Moz account to fully utilize the features, which might be inconvenient for those who wish to avoid additional account registrations.
  • Browser Dependency
    MozBar is only available as a browser extension, limiting its use to supported browsers and possibly causing compatibility issues.
  • Performance Impact
    Some users report that having MozBar enabled can slow down their browser's performance, especially when handling data-intensive tasks.
  • Steeper Learning Curve for Beginners
    Although the user interface is friendly, beginners might find the array of SEO metrics overwhelming without prior knowledge or guidance.
  • Limited Free Access
    The free version offers limited functionality and a restricted number of keyword searches, which may not be sufficient for in-depth research.
  • Data Delay
    There can sometimes be a delay in data updates, meaning the information might not always be the most current.
  • Learning Curve for Advanced Features
    While the basic interface is user-friendly, some advanced features and functionalities might require a learning period to use effectively.
  • Geographical Limitations
    The tool may not provide as comprehensive data for certain non-English-speaking countries, making it less effective for international SEO strategies.
  • 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 Checks。
    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

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

Moz
ZelNum

Overall verdict

  • Moz is a strong choice for individuals and businesses looking to enhance their SEO strategies. Its tools are effective, and its resources are valuable for both beginners and experienced SEO professionals.

Why this product is good

  • Moz is renowned for its comprehensive suite of SEO tools, educational resources, and research. It offers features such as keyword research, site audits, and backlink analysis. Moz's tools are user-friendly and provide valuable insights to help improve search engine rankings.

Recommended for

  • Digital marketers
  • SEO specialists
  • Small to large businesses
  • Marketing agencies
  • Content creators

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

Videos

Walkthroughs and reviews on video.

Moz 12 videos + Add
ZelNum 0 videos + Add

MOZ vs SEMRush 2019 - Side by Side Comparison: Which SEO Tool is Better?

More videos

  • - Fresh Web Explorer by Moz- Best Way to Find the New Content Updated in Market - Part 5
  • - 15. SEO For Beginners: MozBar - The Best Chrome SEO Extension
  • - Moz Pro Review (2017): The 5 SEO aspects that Moz tracks
  • - How to Use the MOZbar for Competitive Research
  • - SEO Tool - MOZ Review
  • - Moz Review — All the Key Pros and Cons
  • - 🔥 Moz Review: Pros and Cons

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

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Moz
ZelNum
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
SEO
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Moz 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

Share your experience with using Moz and ZelNum. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Moz 5.0 · 1 review
ZelNum no reviews yet

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We have no reviews of ZelNum yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Moz 50 mentions
ZelNum 0 mentions
  • Beyond the Numbers: Combining DA/PA with Other Ranking Signals for Holistic SEO
    Ultimately, the Moz DA/PA Checker tool is a powerful diagnostic instrument, not the destination itself. It effectively signals a website's accrued link equity, or its Authority. However, to translate that authority into sustainable... - Source: dev.to / 11 months ago
  • Competitor Insights: Analyzing DA & PA with the Moz API
    The Moz API transforms link intelligence into actionable competitive insights. By making Domain Authority, Page Authority, and Spam Score easily accessible and scalable, it empowers SEO professionals to:. - Source: dev.to / 11 months ago
  • Domain Rating vs Domain Authority: What's the Difference? (2025 Guide)
    Domain Authority is created by Moz and predicts how likely your website is to rank well in search engine results. - Source: dev.to / about 1 year ago

View more

Tracking ZelNum since Jul 2026.

Alternatives to Moz and ZelNum

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