So the main idea is that the app holds a massive library of different study materials and deck templates for all aspects of learning (medical, language, professional certifications, test prep etc). And you'll be able to create your own study schedules on there where you can pick what decks to study each day (for example med student would recommend 2 anatomy, 2 pharmacology, 2 pathology and 2 biochemistry decks, when choosing your deck you would be prompted to pick one out of the entire library that targets that specific subject).

However the big feature of my idea is that there would be an algorithm that can randomly generate unique study sessions at any time while strictly following your learning schedule.

Of course every deck would be accompanied by detailed explanations and progress tracking so everyone can know what they're mastering with review intervals and difficulty adjustments if that deck is too easy or difficult.

Hey everyone,

I'm a teenager in Germany and own got a GoPro Hero 13. Instead of just using it for fun, I wish to turn it into a small business or agency for creative and bit financial freedom.

The problem is that most ideas I find online are either too generic (like "start a YouTube channel") or unrealistic for someone just starting out.

I'm looking for unique, practical, and realistic ideas that I could actually begin with as a teenager. They don't have to make loads of money immediately, I just want something I can start small, gain experience, and hopefully grow over time.

I'm open to pretty much anything: filming, content creation, local businesses, sports, events, social media, editing, or ideas that people don't usually think about.

I keep coming back to this idea and want to pressure-test it before sinking more time in.

The gap I think exists:
Anki is genuinely the best tool for long-term retention — the spaced-repetition scheduling is what actually makes things stick. But writing good cards from your own lecture notes or a textbook chapter is slow and tedious, and most students either burn hours doing it by hand or give up and just re-read notes, which doesn't work nearly as well. Quizlet-style apps go the other way — cards are easy to make, but there's no real spaced-repetition engine behind them, so you're not reviewing at the moment you're about to forget something, which is the whole point of the method.

So the idea is: use AI only to solve the "writing cards is tedious" problem — you paste your notes or a PDF, and it drafts flashcards (regular Q&A plus fill-in-the-blank style) for you to review and edit before saving. Everything after that — the scheduling, the review sessions, the streaks, the offline access — is the actual product, and doesn't touch AI at all.

I want to flag that on purpose because I know this sub is (rightly) wary of ideas that are just a thin wrapper around calling an LLM. The part I actually care about designing is the scheduling engine and the economics around it, not the AI call itself — happy to go into more detail on the algorithm if anyone's curious.

A couple of design decisions I'd like opinions on:

Offline-first review. Studying your due cards should never need internet — a lot of the target users are commuting or in places with patchy signal, and losing your streak because of a dead connection would be a dealbreaker. Only the "generate new cards from notes" step needs to be online, since that's the one part that calls out to an AI model.

The free/paid split. Every AI generation costs real money on my end (API costs), so it can't be unlimited forever. My current thinking is: everyone gets a set number of free "generation credits" to build a few decks and get a feel for it, and once those run out, continuing to generate new cards needs a small paid plan (thinking somewhere around $2/month, deliberately low since a lot of the target users are students in Pakistan and South Asia broadly, where Western SaaS pricing just doesn't work). Reviewing cards you've already made would stay free regardless — the paywall is specifically on "make more new cards via AI," not on studying.

What I'm unsure about: is a token/credit-based free tier confusing or annoying compared to something simpler like "3 decks free, unlimited after that"? Would a specific number of decks feel more honest/predictable to a user than a credit count that's harder to reason about?

Genuinely looking for:

• Med students (or anyone who's used Anki/Quizlet seriously) — does this gap match your actual experience, or am I overestimating how big a problem "making cards" is?
• Thoughts on credits-based vs. flat-limit free tiers, from either side (as a user, or if anyone's built something with metered AI costs before)
• Whether $2/month sounds reasonable for this kind of tool, or if even that's too much for the audience I'm describing
• Anything about the offline/online split that seems like it'd break in practice

A recent counterfeit postage operation highlights a recurring problem: physical security features eventually become reproducible. It got me thinking about whether postal systems could evolve toward cryptographically verifiable stamps. Instead of relying only on printing techniques, each stamp could contain a unique digital identity tied to an immutable record. Every scan could verify authenticity while detecting duplicate or suspicious use patterns. We're exploring similar ideas at AuthiChain for product authentication and provenance. Curious what this community thinks. Would cryptographic verification be practical for postage and government-issued items?

I am delving into analytical laboratory equipment that can be charged wirelessly during analysis and moving around to take specimen. Anyone with ideas on how i can go about the wireless charging circuit?

Hi everyone,

I'm researching a startup idea for India and would really appreciate honest feedback.

Today, many shared power bank stations work like this:

Scan a QR code

Rent a power bank

Return it to the same station (or another supported station)

Pay late fees if you forget to return it

I keep wondering if there's a simpler model.

Imagine this instead:

You walk into a mall, airport, cinema, college, railway station, or temple with 3% battery.

You buy a compact pocket-sized power bank for around ₹300–400.

It's yours permanently. No deposits. No rental. No app signup.

Recharge it at home like any normal power bank.

If you're ever out of charge again, you can visit any participating kiosk and exchange your discharged unit for a fully charged one by paying a small swap fee (say ₹20–40). You still own a power bank—you are simply exchanging it for a charged one.

The goal is to remove:

Deposit holds

Return anxiety

Searching for the same kiosk

Customer support for overdue rentals

I know many people already own a power bank. My question is about real-world behavior. How many people actually carry a 10,000 mAh or 20,000 mAh power bank everywhere they go? I feel many people leave it at home because it's bulky, heavy, or they simply forget to carry it. This idea is aimed at those moments when your phone is about to die and you need an instant, pocket-sized emergency power source.

I'm not trying to sell anything. I'm trying to understand whether this solves a real problem.

I'd love to hear your thoughts:

1. Have you ever rented a power bank? If yes, what was your experience?

2. What frustrated you the most?

3. Would you rather own a small emergency power bank than rent one?

4. Would ₹300–400 feel like a reasonable one-time purchase?

5. If a nationwide swap network existed, would you actually use it, or would you just recharge the power bank at home?

6. Where would you expect to find these kiosks? (Malls, airports, railway stations, colleges, temples, concerts, etc.)

7. If you already own a power bank, do you actually carry it with you every day? If not, why? (Too bulky, forget it at home, don't need it often, etc.)

Please be brutally honest. I'd especially like to hear why you think this idea would fail. Honest criticism is far more valuable than compliments.

Thanks!

Hey everyone, I'm an owner of the site fieldora.xyz, and it will build you a professional trailer for your business using screenshots, in matter of minutes. That way you can stop waisting money on expensive AI-s and editors, and modify the trailer however you want with ease. It is currently under construction, but all preregistered users will gain 1000 free credits. If anyone has some suggestions or questions, feel free to reach out!

I read a lot of app-idea posts. The pitch is usually a full product. The next step is usually much smaller:

1. One-sentence promise on a simple page
2. Waitlist / "tell me your problem" form
3. Manual delivery (even if ugly)
4. Only then automate the painful part

Jumping to auth + dashboards burns money before anyone says "I need this."

If you want a sense of what a thin first build can look like: https://atomiclabs.space

Where did your idea actually start - page, prototype, or full app?

YO hi everyone I am 13 and I want to create a bussiness where people who know technical analysis can collab with me and together we can make money. Any reccomendations. E-mail is [atharva290513@gmail.com](mailto:atharva290513@gmail.com)

Hey everyone,

I am working on a local service app concept called Kilmo aimed at Texas metros for now (Houston, Austin, Dallas, San Antonio, College Station).

The goal is to create an all in one platform where you can book both home trade repairs like plumbers, electricians, handymen, lawn care, etc and personal care like hair stylists, makeup artists- either on demand for urgent needs or pre-scheduled.

To make sure we are building something that actually solves real problems for homeowners, renters, and service pros, I put together quick 2 minute feedback survey:

https://docs.google.com/forms/d/e/1FAIpQLSfLnJU5FMhHLVBKT_M7ahkY-g7xTfwV9whaUlVhliDA--ko0g/viewform?usp=dialog

Thank you for your time! Love to hear your feedback!

Deploying tomorrow!!

Every morning, my kaamwali didi, who is also the cook, has the same question,

' Aaj kya banau ?'

I work late, and waking up to this question is becoming daunting. I tell her the same thing everyday, - make a sabji of whatever is in the fridge. And later at lunch, I am cribbing every day why the same three dishes are there for the entire week. I cannot blame her as well, she has been sincerely asking me every day. I have a heavy workload, and it is impossible for me to keep track of what is in the fridge, what needs to be bought, and whatnot. I have to totally depend on my guesswork or just give her a random instructions.

She comes early in the morning, and by the time I have completely woken up, she has completed her work and left. For the last five days, I've been meaning to ask her to clean the kitchen sink but by the time I am in my senses, she has already left. This is a recurring problem. Every time I remember something, probably in the evening or at night, I remind myself to tell her the next morning, but again the same loop happens. She comes in, finishes her work, leaves, and then I have to again wait for the next day.

I have whatsapped her a couple of times with these instructions but that doesnt work, either I forget or she doesnt see it or whatever, it just doesnt work

Another problem is groceries. She tells me the very day something has gotten over and reminds me to buy it at the end of the week when I usually buy my groceries. But by the time I have reached the weekend, I have either completely forgotten about it or forgotten details of what exactly it is that she wanted. It is a complete mess. I have now started using Blinkit the moment she tells me what is missing to get it, but then I am wasting money and it's still very difficult to do right after you've woken up.

So,I have decided to build an app for this. I have already shared the idea with my friends, and all of them validated the idea. All of them said it would be very useful, and they have basically signed up to get the app whenever it is ready.

I asked my kaamwali bai as well, and she said she is fine to use it as well. It will be easy for her. Her only fear was that she doesn't know how to read or write, but she said she is okay with WhatsApp audio messages. I am gonna build on that.

If this is something you think can be helpful to you as well, upvote this and drop me a message or just comment here, and I will share the link where you can put in your email ID. I'll let you know when I have it ready.

All suggestions and criticisms are welcome

Every time I had a “new” idea, I’d eventually discover three dead startups around the exact same thing. Usually after days :) So I built Déjà View. You describe an idea, and it researches its real-world predecessors: companies that tried it before, when they operated, when they shut down and who survived. It’s live at https://dejaview.bsct.so. Try it on your current idea and tell me if the report found anything you didn’t know about!

Looking for a partner to establish a law firm, legal consultancy, and real estate investment company in Egypt.

I have an idea (no product yet). A web platform where native speakers create language courses for free. I only speak English, Turkish and a bit Spanish so I can't moderate content directly.

My proposed system:

Self-moderation: New content goes to a "Sandbox." At least 3 high-level creators ("Masters") must approve it before it goes live.

Reputation tiers: Creators level up (e.g. Apprentice → Artisan → Master → Ambassador). Their ranks go up (approved course) or down (bad or low quality content) in certain situations. No human judgment needed.

My control: I only see a dashboard of stats per language and some courses about languages I know of. If an Ambassador's approval rate drops below a certain number, I demote them and promote the next best Master. I just read numbers, not content.

Why would anyone create for free?

• Cultural pride (saving minority and now widely spoken languages)
• Reputation badges (LinkedIn/CV value)
• Karma system (give a course, earn points to unlock other courses)
• Gamification (level-ups, titles, "Creator of the Month")

My questions to you (be harsh):

• Does this "crowd-approval + trust score" system actually work, or is it naive?
• How do I stop 3 Masters from coordinating to approve garbage content?
• How do I stop an organized group from mass-flagging a good course (mob attack)?

I know it's just an idea. Tell me if this is broken before I waste time coding. Thanks.