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Interactive exercise and assignment platform for tutors. Less prep: turn a PDF, photo or topic into a lesson in 30 seconds. Less marking: every submission comes back already checked. One link, no student account, works perfectly on mobile.

Website, pricing, platforms and company facts side by side.
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| Website | opalstack.com | makelesson.com |
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| Company | — | Startup from Ukraine · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Opalstack yet.
MakeLesson is an interactive exercise and assignment platform for tutors and teachers. It targets the two jobs that eat the most time outside the lesson itself: preparing material and marking it afterwards. Less prep: turn a PDF, photo or topic into a lesson in 30 seconds. Less marking: every...
What each product offers, as listed by its team.


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


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As answered by people managing Opalstack and MakeLesson.
MakeLesson's answer:
A modern cloud-based web stack
MakeLesson's answer:
MakeLesson's answer:
MakeLesson's answer:
Teachers who lose more time preparing and marking than teaching, and who do both themselves.
MakeLesson's answer:
This started with me being a student, not a teacher.
Printed handouts drove me up the wall. Writing answers into gaps too small for my handwriting. Getting a digital copy and finding there was no sane way to edit it. Every set of materials seemed to need a different tool, so half the work was fighting the format instead of doing the exercise.
My school had no digital approach at all. None. So I started asking teachers what actually got in their way, and built a first version around what they told me.
A lot of iterations followed. Then AI got good enough to change what was possible, and the interesting problem stopped being how to make one worksheet easier to fill in. It became how to let a teacher take whatever material they already have and turn it into something students can just open, do on their phone, and send back already checked.
That is what MakeLesson is now.
MakeLesson's answer:
The customers are:
Share your experience with using Opalstack and MakeLesson. For example, how are they different and which one is better?