Software Alternatives & Startups

modheader VS Smartmockups

Compare modheader VS Smartmockups and see what are their differences

modheader

Free browser extension to modify HTTP request and response headers. No sign-up. Works on Chrome, Firefox, and Edge.

Rating
0 reviews
Smartmockups

Create stunning product mockups, easily and online.

Rating
0 reviews
Pricing
Freemium Free trial $14 / Monthly (PRO)
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, Smartmockups seems to be more popular. It has been mentioned 15 times since March 2021.

social mentions
0 vs 15
Developer Tools popularity
100% vs 0%
alternatives listed
27 vs 240+

Base details

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

m
modheader
Smartmockups
Website app.modheader.com smartmockups.com
Pricing —
Freemium Free trial $14 / Monthly (PRO) Official pricing
Platforms —
Web
Company — Startup from the Czech Republic
Listed in

About modheader and Smartmockups

In their own words, as submitted to SaaSHub.

m
modheader
Smartmockups

No description of modheader yet.

Smartmockups helps people and businesses the world over create engaging visual materials. Our online mockup tool features a stellar mockup library, intuitive design tools, and is available anywhere, anytime. Smartmockups is the easiest way to showcase your designs on real-world products.

Read more about Smartmockups

Features and specs

What each product offers, as listed by its team.

m
modheader 5 features
Smartmockups 9 features
  • Easy HTTP Header Modification
    ModHeader allows users to easily add, modify, or remove HTTP request and response headers directly from the browser without needing to write code or set up a proxy server.
  • User-Friendly Interface
    The extension provides a simple, intuitive UI where users can create profiles, toggle headers on/off, and manage multiple header configurations with minimal technical knowledge.
  • Profile Management
    Users can save multiple header profiles for different testing scenarios (e.g., different environments, authentication tokens, or user agents) and switch between them quickly.
  • Cross-Browser Support
    ModHeader is available for major browsers including Chrome, Firefox, and Edge, making it versatile for developers who work across different browser environments.
  • Useful for Development and Testing
    It's particularly helpful for developers and QA testers who need to simulate different API keys, test CORS configurations, spoof user agents, or debug header-related issues without modifying server code.

Possible disadvantages

  • Browser Extension Limitations
    As a browser extension, ModHeader only affects requests made through that specific browser, meaning it cannot modify headers for requests from other applications, mobile apps, or backend services.
  • Security and Privacy Concerns
    Browser extensions with permissions to read and modify web requests pose potential privacy and security risks, as they can technically access sensitive data transmitted through the browser.
  • Premium Features Behind Paywall
    Some advanced features, such as more complex header rules or higher usage limits, may require a paid subscription, limiting functionality for free-tier users.
  • Limited to Client-Side Testing
    ModHeader cannot be used for server-side header manipulation or automated testing pipelines, making it less suitable for CI/CD integration compared to command-line tools or API testing frameworks.
  • Potential for Misconfiguration
    Users unfamiliar with HTTP headers might inadvertently create conflicting or invalid header configurations that cause unexpected application behavior or debugging confusion.
  • Access to all mockups
    Entire 8000+ exclusive mockup library
  • Advanced features
    Change the background or customize the main object (T-shirt color, mug style, device color, etc.)
  • URL screenshots
    Upload an URL address and get the screenshot of the website to use in your mockup design
  • Unlimited mockup export
    No mockup download limits. Export and share as many mockups as you want, in super high resolution
  • Transparent PNG export
    Download your mockup with a transparent background
  • Video mockups
    Upload a video or GIF to any technology or social media mockup
  • Custom mockups
    Turn your own photos into easy-to-use mockups.
  • Your branding
    Save your brand colors and add your logo as a watermark
  • Custom background feature
    Upload your custom photo or color to isolated mockups to create your own background

Analysis

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

m
modheader
Smartmockups

No analysis of modheader yet.

Overall verdict

  • Overall, Smartmockups is a valuable tool for anyone looking to create professional mockups with minimal effort. Its intuitive interface and wide range of templates make it a popular choice among designers and marketers. However, its usefulness depends on individual needs, such as the specific types of devices or products you need mockups for.

Why this product is good

  • Smartmockups is considered good because it offers an easy-to-use platform for creating high-quality mockups quickly and efficiently. It provides a comprehensive library of templates and allows users to customize mockups for various devices and products without needing advanced design skills. The platform integrates with popular design tools like Canva, Figma, and Adobe Creative Cloud, enhancing its utility for designers and marketers alike.

Recommended for

  • Graphic Designers
  • Marketing Professionals
  • Entrepreneurs
  • E-commerce Sellers
  • Social Media Managers

Videos

Walkthroughs and reviews on video.

m
modheader 0 videos + Add
Smartmockups 6 videos + Add

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

Smartmockups Review | Create Product Mockups

More videos

  • - SMARTMOCKUPS FOR YOUR T SHIRT BUSINESS | How To Use A Free Online Mockup Generator To Create Mockups
  • - SmartMockUps Review 2019'
  • - How to group mockups into collections
  • - Introducing Custom mockup editor 2.0 in Smartmockups
  • - How to get started with Smartmockups

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
m
modheader
Smartmockups
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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

Log in or Post with

Reviews and articles

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

m
modheader no reviews yet
Smartmockups no reviews yet

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

Social recommendations and mentions

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

m
modheader 0 mentions
Smartmockups 15 mentions

Tracking modheader since Aug 2026.

  • The Best 100 Free UI/UX Resources for Every Designer & Developer
    Smartmockups Smartmockups.com Free device and apparel mockup generator. - Source: dev.to / over 1 year ago
  • First logo after learning illustrator over the past couple of weeks. Please be blunt and recommend some colors! (sorry I do not know how to mock it up)
    I use smartmockups.com. Just upload your PNG with transparent background. Source: about 3 years ago
  • Using produt photos from another website
    By the way, there are sites with free mockup images, https://smartmockups.com/ is one example. Source: over 3 years ago

View more

Alternatives to modheader and Smartmockups

When comparing modheader and Smartmockups, you can also consider the following products.