
Conduct Exam
Exam Software
Wooclap
ClassMarker
Questionmark
Edmentum Assessments
Taskstream
Think Exam is the most trusted and secure online examination platform. You can assign and create online exams, tests, quizzes with advanced features.

Bannerbear
ScreenshotAPI.net
HTMLCSS to Image API
ScreenshotRun
Placid
Orshot
Abyssale
Screenshot & PDF API for Developers. Capture website screenshots, convert HTML to PDF, and generate OG images with a simple API call.

Which is more popular?
Based on our record, Think Exam 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 | thinkexam.com | captureapi.dev |
| Pricing | ||
| Company | — | Startup from Spain |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Think Exam yet.
CaptureAPI is a developer-focused serverless API for capturing website screenshots (PNG, JPEG), converting HTML to PDF, and generating Open Graph images. Built on Playwright + Chromium, it supports 5 viewport presets (Mobile, Tablet, Desktop HD, 4K, Custom), CSS selector targeting, watermarks,...
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.
THINK EXAM DEMO FIRST
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Think Exam and CaptureAPI.dev.
CaptureAPI.dev's answer:
Named customer references available on request as the user base grows.
CaptureAPI.dev's answer:
CaptureAPI bundles website screenshots, HTML-to-PDF conversion, and OG image generation into a single predictable API endpoint. Unlike heavy headless-browser platforms, it offers a 200/month free tier, transparent flat-rate pricing, and a developer-first design with no per-call billing surprises.
CaptureAPI.dev's answer:
Three reasons: (1) honest free tier — 200 captures/month, no credit card; (2) flat pricing ($9 / $29 / $79) instead of per-call confusion; (3) screenshot, PDF, and OG image generation all in one API rather than three separate services.
CaptureAPI.dev's answer:
Indie developers, side-project builders, and small SaaS engineering teams who need a reliable screenshot/PDF/OG API without enterprise contracts. Common use cases: OG image generation, blog cover screenshots, automated archiving, and product preview generation for landing pages.
CaptureAPI.dev's answer:
CaptureAPI was built by an indie maker tired of stitching together Puppeteer scripts, paying enterprise prices for a single feature, and dealing with hidden rate-limit surprises. It launched in early 2026 as part of the DevToolsmith portfolio with the goal of offering screenshot, PDF, and OG generation under one developer-friendly API.
CaptureAPI.dev's answer:
Next.js 16, TypeScript, Vercel Functions (Fluid Compute), Playwright for headless rendering, Sharp for image processing, Upstash Redis for rate limiting and caching, Stripe for billing, and Sentry for observability. Serverless on EU + US edge for low latency.
Share your experience with using Think Exam and CaptureAPI.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Think Exam is a platform that focuses on assessments rather than being a full-on learning management system. It allows you to create many types of exams and tests, as well as sell them to monetize your ideas. If you...
I was worried about conducting online test on my 1000+ students of the institute. Think Exam has got good scalability and I didn’t find any lag when conducting exam on so many students. It was easy to sort the...
We have no reviews of CaptureAPI.dev yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Online exam platforms make assessments highly accessible, suitable, economical, and user-friendly. The test software used these days is much more advanced and provides for setting up unique marking schemes. It can allow different marks... Source: almost 4 years ago
Online assessment software is creating demand in the market. It is helping talent acquisition professionals to hire the right candidate based on the job role and making hiring process transparent. Read this article to know How Think... Source: over 4 years ago
To understand the concept of online exam software, it is necessary to know about the emergence of the online exam. After digitization, the conventional form of the exam was fading away. The advent of the online exam came when there was a... Source: almost 5 years ago
Tracking CaptureAPI.dev since Mar 2026.
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