Personalized learning is the most-used phrase in educational technology and one of the least examined. In practice it usually means one of three things: the software remembers your name, it lets you pick the order of the videos, or it moves you down a difficulty ladder when you get questions wrong. None of those is personalisation. They are a greeting, a menu, and a thermostat.
The question worth asking of any tool that claims it is narrow: what does it measure about you, and what does it change as a result? If the answer to the first is a score, and the answer to the second is the difficulty of the next question, then what has been personalised is the quiz — not the teaching.
What remote learning actually broke
The years everyone went online proved that distance was never the hard part. A lecture streams fine. What does not survive the trip is everything a teacher does that is not lecturing: noticing the face that has stopped following, rephrasing the same idea a third way, and knowing that this particular student can do the algebra but has never understood what the symbols refer to.
Remote learning made content free and attention scarce. Most edtech responded by shipping more content.
That is the gap a personalised system has to fill, and it is not filled by a recommendation engine. It is filled by two things a student cannot get from a recording: an explanation shaped to what they already know, and something that can tell which kind of not-knowing they have.
One: teaching that starts from where you are
Before Porphy writes a course, it asks a few short questions — what you already know about the topic, what you are studying for, how deep you want to go. That is not a form for its own sake. The answers change the plan the research agents work from, so the same topic produces a different course for someone revising it for the third time than for someone meeting it tonight.
- You choose the depth: one researched answer, a 3–4 part overview, a standard 5–7 part course, or an 8–12 part deep dive.
- You choose the language, and the lesson is written in it — with technical terms held in English so it still matches your textbook and your exam script.
- You can bring your own material. Upload the lecture sheet you were actually handed and every tool works on that instead of on a generic syllabus.
- You can ask any section to be rewritten, expanded, or explained more simply, and it is rewritten rather than repeated.
That last one matters more than it sounds. The failure mode of a recorded lecture is that the second viewing is identical to the first. If you did not follow it the first time, the thing you needed was a different explanation, not the same one at 0.75 speed.
Two: measuring the kind of not-knowing
A single mastery percentage is the most common measurement in educational technology and close to the least useful, because it collapses four separate problems into one number. So every concept in a course is scored on four axes instead.
- Memory — can you recall it at all?
- Comprehension — do you understand what it means?
- Structure — do you know how it connects to the rest of the chapter?
- Application — can you use it on a question you have not seen before?
Memorised but cannot apply it and understood but keeps forgetting are opposite problems with opposite fixes, and one percentage cannot tell them apart. The scores are not self-reported either: after each study session — an MCQ set, a flashcard run, or explaining a concept back in your own words to the voice tutor — an evaluator agent updates the affected concepts and records why it moved them.
What we deliberately did not build
Two things usually sold as personalisation are missing here on purpose, because both personalise the pressure rather than the teaching.
- No gating. Nothing locks the next part until a score clears a bar. A student who wants to read ahead is not a student to be blocked.
- No streaks, no XP and no schedule that decides when you come back. A tool that punishes you for a week off is optimising for its own retention, not your exam.
The knowledge map reports where you are weak and links each weak node straight back to the paragraph that teaches it. What you do about it at 11pm the night before the test is yours to decide — and the live voice tutor is there to talk any of it through, in Bangla or English, whenever that turns out to be.
Every new account starts with 2,000 credits free, no card required and no subscription. That is enough for a full researched course, several minutes with the voice tutor, and a stack of practice — before you have paid anything.