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The Porphy blog: Notes on learning, built in public

Study guides for the chapter you are stuck on, in English and বাংলা, plus how Porphy actually works and what it costs.

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Best AI tutors for students in 2026: ChatGPT, Gemini, NotebookLM, Khanmigo, Shikho and Porphy compared

There is no single best AI tutor, only the one that fits what you are stuck on. Seven options compared on Bangla, your own notes, voice, curriculum and how you pay, with where each one is better than us.

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Illustration: three AI tutors compared side by side, the middle one with a voice tutor and every feature checked

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Illustration: a checklist beside a live voice call and a small whiteboard
Product 5 min

বাংলায় AI টিউটর বাছাইয়ের আগে ৫টা জিনিস দেখো

অনেক টুলই বাংলা বলে দাবি করে, কিন্তু ইংরেজি উত্তরকে অনুবাদ করে দেয়। তোমার বই, স্যারের ক্লাস আর পরীক্ষার খাতার সঙ্গে মেলে কি না, সেটাই আসল পরীক্ষা।

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The Porphy Team ·
Illustration: a PDF page turning into a multiple-choice question with one option picked
Study guides 5 min

PDF বা লেকচার শিট থেকে MCQ বানানোর উপায় (আর প্রশ্নগুলো ঠিক আছে কি না যাচাই)

স্যারের চল্লিশটা স্লাইড আছে, আর প্র্যাকটিসের জন্য আছে শুধু আবার পড়া। ফাইল আপলোড করলেই ব্যাখ্যাসহ MCQ সেট পাওয়া যায়, আসল কাজ প্রশ্নগুলো যাচাই করা।

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The Porphy Team ·
Illustration: a phone photographing a past paper, the paper's questions tagged with their marks, and a missed question set aside for practice
Study guides 6 min

ভর্তি পরীক্ষার পুরনো প্রশ্ন: ছবি তোলো, নম্বর অনুযায়ী উত্তর নাও, ভুলগুলো ফেরত দাও প্র্যাকটিসে

পুরনো প্রশ্নপত্র সমাধান করা ভর্তি প্রস্তুতির সবচেয়ে কাজের অংশ, কিন্তু উত্তর মিলিয়ে দেখার লোক সবসময় থাকে না। ছবি তুলে দিলে কী হয়, আর কী করা উচিত নয়।

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The Porphy Team ·
Illustration: a chapter list with one skipped chapter outlined, turning into a short course for one evening
Study guides 6 min

এইচএসসি প্রস্তুতি: যে অধ্যায়টা বাদ পড়ে গেছে, সেটা এক সন্ধ্যায় কীভাবে ধরবে

দ্বিতীয় পত্র ধরে নেয় তুমি প্রথম পত্র বুঝেছো। বাদ পড়া অধ্যায়ের গর্ত ঘিরে মুখস্থ না করে, গোড়া থেকে বুঝে নেওয়ার উপায়।

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The Porphy Team ·
Illustration: a seven-point checklist with four items ticked and a magnifying glass
Learning 6 min

How to choose an AI tutor as a student in Bangladesh: 7 things to check

Most AI tutors are built for someone else: English first, a dollar card, a foreign syllabus. Seven checks that matter if you are an SSC, HSC, admission or university student here, and where Porphy passes and where it does not.

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The Porphy Team ·
Illustration: an exam paper marked question by question, with the one answered wrong turned into a practice question
Study guides 6 min

How to practise past admission papers with AI: photo in, answers out, misses into practice

A past admission paper is the closest thing to the real test, and the hard part has never been finding one. It is knowing, afterwards, why you lost each mark. Here is a loop that turns a paper into a list of what to fix.

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The Porphy Team ·
Illustration: a shelf of books beside a bar chart
Study guides 7 min

Admission preparation for business, humanities and other majors: how to use AI

Most admission advice assumes a science student with a physics-and-math syllabus. If you are heading for business, arts, social science or law, your test and your weak spots look different. Here is where AI helps and where it does not.

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The Porphy Team ·
Illustration: a cell, a DNA double helix and a multiple-choice card
Study guides 7 min

Medical admission preparation with AI: biology, chemistry and the volume problem

Medical admission is mostly a volume problem: a lot of biology and chemistry, a fixed number of weeks, and no time to be stuck. A guide to using AI to spend those weeks on understanding rather than searching, and what it cannot do.

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The Porphy Team ·
Illustration: a projectile's path with its velocity vectors, an integral and a right triangle
Study guides 7 min

Engineering admission preparation with AI: physics, chemistry and higher math

Engineering admission rewards problems solved under time. AI cannot sit the test for you, but it can shorten the time you spend stuck on a topic. Here is where it helps, and the parts only practice can fix.

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The Porphy Team ·
Illustration: an exam paper with marks beside each question, and answers sized to those marks
Study guides 5 min

How to solve an exam paper with AI and actually learn from it

Take a photo of an exam paper and get a model answer for every question, sized to the marks beside it. Getting the answers is the easy part. Here is how to turn them into revision, check them, and know where they stop.

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The Porphy Team ·
Illustration: a stack of lecture slides turning into a multiple-choice question
Study guides 6 min

How to make MCQs from a PDF or lecture slides (and check they are any good)

Upload a PDF or a PowerPoint, get a set of MCQs with explanations. The part that matters is checking the questions, here is how, and where this method stops working.

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The Porphy Team ·
Illustration: flashcards, one showing a question mark, beside a checklist of recalled items
Learning 6 min

How to remember what you study (পড়া মনে রাখার উপায়): 5 methods that work

Rereading feels like learning and mostly is not. Five methods that do work, recalling, explaining aloud, spacing, understanding first, and sleep, and how to use each one tonight.

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The Porphy Team ·
Illustration: an eight-week study grid, with the final week's blocks filled in
Study guides 7 min

HSC study routine: an 8-week plan you can actually follow

A routine that survives a bad week: two weeks to repair the gaps, three to cover the syllabus, two for past questions, one to revise. With a daily template and where AI fits.

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The Porphy Team ·
Illustration: chapters drawn as nodes with arrows showing which depends on which
Study guides 7 min

HSC physics 1st and 2nd paper: which chapter depends on which

Physics feels like twenty separate chapters and behaves like one dependency chain. Here is the chain, in topic order, and a quick way to find the break.

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The Porphy Team ·
Illustration: a 60-day grid shaded in phases, with a legend
Study guides 7 min

Admission test preparation: a 60-day plan for DU, GST, medical and engineering

Sixty days is enough to rebuild the basics and practise under time, if you spend them in the right order. A plan by phase, how to split subjects, and where AI helps and where it does not.

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The Porphy Team ·
Illustration: a code editor, a calculus curve and a circular-motion diagram
Study guides 7 min

CSE first year: how to study programming, calculus and physics with AI, without falling behind

First-year CSE is where school habits stop working. Programming needs practice, calculus needs prerequisites, and nobody tells you which one you are failing. A practical way to study each, with AI where it helps.

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The Porphy Team ·
Illustration: a chat conversation beside one tick and one warning
Learning 7 min

ChatGPT for study: what works, what does not, and when to use something else

A general chatbot is a good study partner for some jobs and a risky one for others. The prompts that work, the failures to watch for, and where a tool built around your own material does better.

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The Porphy Team ·
Illustration: intake answers shaping a course roadmap, beside a four-axis scorecard
Learning 6 min

Personalized learning without the buzzword: what a machine actually has to do

Remote learning made distance cheap and attention expensive. Most educational technology answers that with a dashboard. Here is what personalisation has to measure before the word means anything.

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The Porphy Team ·
Illustration: a binary search tree beside a code editor
Study guides 7 min

How to learn DSA with AI without letting it write your code

Paste a problem into a chatbot and you get working code and learn nothing. Here is a way to use AI for data structures and algorithms that builds the part a contest or an interview actually tests: the idea.

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The Porphy Team ·
Illustration: a whiteboard with a curve and its tangent, a speech bubble and a live voice call
Product 5 min

An AI tutor that speaks Bangla, without losing the English terms your exam uses

Translating a physics lesson into Bangla is easy. Translating it so you can still follow your teacher, your book and your answer script is the hard part.

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The Porphy Team ·
Illustration: an open textbook turning into a course of six parts, three done
Study guides 6 min

HSC preparation with AI: fixing the chapters you skipped

The second paper assumes you understood the first. Here is how to use AI to rebuild a skipped HSC chapter from its prerequisites in an evening, instead of memorising around the hole.

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The Porphy Team ·
Illustration: the research run as a pipeline, a planner feeding five researchers in parallel into one result
Engineering 6 min

How Porphy researches and writes a course: what happens between your topic and part one

A planner, five researchers reading at once, a reviewer that sends work back, and a writer per part, the whole thing, in order.

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The Porphy Team ·
Illustration: a stack of lecture slides turning into a course roadmap
Study guides 6 min

AI for engineering students: study from your lecture slides

Engineering slides are the notes of a lecture, not the lecture. Here is how to turn the PDF you were handed into something you can actually follow before the class test, and where AI still can't help.

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The Porphy Team ·
Illustration: a marker drawing a curve and its tangent on a whiteboard, beside a live voice call
Product 5 min

Why we built a tutor that draws while it talks

Voice alone is a podcast. A diagram alone is a slide. The thing that actually teaches is someone drawing while they explain, so that is what we built.

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The Porphy Team ·
Illustration: a credit balance bar split by what it was spent on, beside two stacks of coins
Product 5 min

What an AI tutor should cost a student (and why there's no monthly fee)

You start with 2,000 credits free. Here is exactly what that buys, what everything costs after it, and why there is no monthly fee.

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The Porphy Team ·
Illustration: a concept map with one weak concept highlighted, beside a four-axis scorecard
Engineering 5 min

Which topic to revise tonight? What a concept map tells you that a score cannot

Every Project has a concept map, and every concept carries four separate scores. Here is what they mean and where they come from.

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The Porphy Team ·
Illustration: a triangle inscribed in a circle, a pendulum and a quadratic equation
Study guides 7 min

SSC physics and higher math: how to study them with AI

Physics and higher math are where SSC marks quietly disappear, not to a hard chapter, but to one step inside it you never understood. Here is how to use AI to fix that step instead of skipping past it.

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The Porphy Team ·