Software Alternatives & Startups

tawk.to VS IsValid.dev

Compare tawk.to VS IsValid.dev and see what are their differences

tawk.to

tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page

tawk.to Landing page
Rating
0 reviews
IsValid.dev

A powerful REST API for validating emails, IBANs, BIC/SWIFT codes, LEI, ISIN, credit cards, VAT numbers, phone numbers, and 70+ more validators. Free tier available.

IsValid.dev Main Page
Rating
0 reviews
Pricing
Freemium Free trial €9 / Monthly (10000 API calls / day)
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, tawk.to seems to be more popular. It has been mentioned 47 times since March 2021.

social mentions
47 vs 0
Customer Support popularity
100% vs 0%
alternatives listed
240+ vs 10

Base details

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

tawk.to
IsValid.dev
Website tawk.to isvalid.dev
Pricing
Freemium Free trial €9 / Monthly (10000 API calls / day) Official pricing
Platforms
Python Node JS Wordpress
Company Startup from the United States
Listed in

About tawk.to and IsValid.dev

In their own words, as submitted to SaaSHub.

tawk.to
IsValid.dev

No description of tawk.to yet.

IsValid is a validation API service for developers who need to quickly verify data formats without building their own validators. It offers 40+ endpoints covering financial identifiers (IBAN, BIC, ISIN, CUSIP), international standards (ISBN, ISSN), technology formats (UUID, JWT, QR codes),...

Read more about IsValid.dev

Features and specs

What each product offers, as listed by its team.

tawk.to 6 features
IsValid.dev 5 features
  • Free Plan
    tawk.to offers a fully-featured free plan that includes unlimited agents, chat history, and more. This is beneficial for small businesses and startups that want a cost-effective solution.
  • Customizable Widget
    The chat widget is highly customizable, allowing businesses to tailor its appearance and functionality to match their branding and user experience needs.
  • Multilingual Support
    tawk.to supports multiple languages, making it a versatile tool for businesses that operate in diverse markets.
  • Integration with Other Tools
    The platform integrates seamlessly with various third-party tools and services, including CMS, CRM systems, and social media platforms, streamlining business operations.
  • Mobile App
    tawk.to offers a mobile app for both iOS and Android, allowing customer service teams to manage chats and assist customers on the go.
  • Reports and Analytics
    The platform provides comprehensive reports and analytics, giving businesses insights into customer interactions and agent performance.

Possible disadvantages

  • Limited Features on Free Plan
    While the free plan is robust, some premium features such as white-labeling, video and voice chat are only available on paid tiers.
  • No Automation Features
    tawk.to lacks advanced automation features such as chatbots, which are available in some competing live chat solutions.
  • User Interface Complexity
    Some users find the user interface to be complicated and not as intuitive as other live chat solutions, which can result in a steeper learning curve.
  • Customer Support
    While tawk.to offers a comprehensive help center, some users have reported that response times from customer support can be slow during peak times.
  • Dependency on Internet Connection
    Like most cloud-based services, tawk.to depends on a stable internet connection. Downtime or slow internet can severely hamper its functionality.
  • Lightweight schema validation
    IsValid.dev offers a minimal, lightweight approach to schema validation for TypeScript, avoiding the bloat that can come with larger validation libraries.
  • TypeScript-first design
    Built with TypeScript in mind, providing strong type inference so validated data automatically gets proper TypeScript types without extra manual typing.
  • Simple API
    The library offers an intuitive and easy-to-learn API for defining and running validations, making it accessible for developers to quickly get started.
  • Zero or minimal dependencies
    Being a lightweight tool, it typically has little to no external dependencies, reducing bundle size and potential security/maintenance issues from third-party packages.
  • Good for small to medium projects
    Its simplicity makes it well suited for smaller projects or use cases where heavier libraries like Zod or Yup might be overkill.

Possible disadvantages

  • Smaller community and ecosystem
    Compared to established validation libraries like Zod, Joi, or Yup, IsValid.dev has a much smaller user base, meaning fewer community resources, tutorials, and third-party integrations.
  • Limited documentation
    As a newer or less mainstream tool, its documentation may be less comprehensive than more established alternatives, making it harder to find answers to edge-case questions.
  • Fewer advanced features
    It may lack some of the advanced features found in more mature libraries, such as extensive built-in validators, custom error message localization, or complex schema composition tools.
  • Less battle-tested
    Being less widely adopted, it may not have been tested against as many real-world edge cases as more popular libraries, potentially leading to undiscovered bugs.
  • Uncertain long-term support
    Newer or niche libraries carry a higher risk of reduced maintenance or discontinuation over time compared to well-funded or widely-adopted projects.

Analysis

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

tawk.to
IsValid.dev

Overall verdict

  • Overall, Tawk.to is a good solution for businesses seeking an affordable, feature-rich live chat tool to enhance their customer service. While it does lack some advanced features found in paid alternatives, its cost-effectiveness and ease of use make it a popular choice among small to medium-sized businesses.

Why this product is good

  • Tawk.to is a widely used live chat solution that offers various features beneficial for businesses looking to improve customer communication. It is primarily appreciated for being free, easy to integrate with websites, and offering features like chat monitoring, visitor tracking, and multilingual chat support. Additionally, it provides mobile apps for both iOS and Android, allowing customer support agents to respond to queries on-the-go.

Recommended for

    Small to medium-sized businesses, startups, and entrepreneurs looking for a budget-friendly chat solution to engage with website visitors in real-time and improve their customer support experience.

Overall verdict

  • IsValid.dev appears to be a developer-focused validation/utility tool that can be useful for quick, lightweight validation tasks, though I don't have verified, up-to-date details on its full feature set or reliability track record.

Why this product is good

  • Likely offers a simple, developer-friendly interface for validation tasks
  • Probably free or low-cost, making it accessible for quick checks
  • May support common validation formats (e.g., JSON, schemas, or data formats) useful in development workflows
  • Could save time compared to writing custom validation scripts for simple use cases

Recommended for

  • Developers needing quick, ad-hoc validation checks
  • Small projects or prototypes where a lightweight tool suffices
  • Users looking for a free or low-cost alternative to more complex validation suites
  • Learning or testing purposes rather than mission-critical production validation

Videos

Walkthroughs and reviews on video.

tawk.to 3 videos + Add
IsValid.dev 0 videos + Add

Tawk.to review — unbelievably rich live chat software for free

More videos

  • Review - Free Shopify live chat app? Tawk.to - Honest Review by EcomExperts.io
  • Review - Complete Tawk.to Live Chat Product Review Video

No IsValid.dev 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
tawk.to
IsValid.dev
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
API
100% 100%

Questions & Answers

As answered by people managing tawk.to and IsValid.dev.

What makes your product unique?

IsValid.dev's answer:

IsValid offers 70+ validators in a single API — covering financial identifiers (IBAN, BIC, ISIN, LEI), international standards (ISBN, ISSN), technology formats (UUID, JWT, QR codes), tax numbers (VAT, REGON, PESEL), credit cards, phone numbers, and more. No need to integrate multiple services for different data types.

Why should a person choose your product over its competitors?

IsValid.dev's answer:

Most validation APIs focus on one category (email or phone). IsValid covers financial, regional, and technical formats all in one place with a consistent REST API. The free tier with 100 calls/day requires no credit card, and integration takes minutes.

How would you describe the primary audience of your product?

IsValid.dev's answer:

Developers and software teams building applications that handle user input, financial data, or international identifiers — particularly in fintech, e-commerce, and SaaS products.

What's the story behind your product?

IsValid.dev's answer:

IsValid was built out of frustration with piecing together multiple validation libraries and services. The goal was a single, reliable API that handles the full range of data validation needs developers encounter in real-world applications.

Which are the primary technologies used for building your product?

IsValid.dev's answer:

Next.js, Fastify, PostgreSQL, Docker

User comments

Share your experience with using tawk.to and IsValid.dev. 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.

tawk.to no reviews yet
IsValid.dev no reviews yet

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Social recommendations and mentions

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

tawk.to 47 mentions
IsValid.dev 0 mentions
  • Integrate Live chat function , Visitor to post Author.
    I've tried tawk.to and created separate agent profiles for each dealer but I cannot find how to restrict access only to their listings so not everyone can join the others live chat as it happens atm. Has anyone tried something like... Source: about 3 years ago
  • WordPress store customers info getting compromised help
    Also, if possible, find their IP from tawk.to and block it in your firewall, or ask your hosting provider to block it. Source: over 3 years ago
  • Chatbot recommendations
    I've used tawk.to in the past, but I wondered what else is out there / what others use and recommend. Source: over 3 years ago

View more

Tracking IsValid.dev since Apr 2026.

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