skyzouw

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Hey HN,

I built ReplyFast, a small AI-powered tool that writes email replies for you.

You just paste the incoming email, and it generates a reply using GPT-4 — straight to the point. You can edit it or copy/send as is. No login required, no setup, no integrations. I just wanted something fast and lightweight to avoid replying to the same messages over and over (demo requests, basic support, cold emails, etc.).

It’s not a full CRM or a productivity suite — just a focused tool for fast replies.

https://www.replyfast.net/

Built it solo in a few weeks. I’d love feedback on: – Is the idea useful to you? – What would make this 10x better? – Would you pay for it?

Appreciate any comments or suggestions

Thanks for checking this out.

I’m curious for those who have tried quitting an addiction: what helped you the most? Was it seeing progress, having accountability, or something else?

My goal with StopAddict is to keep it minimal and genuinely useful, but I know gamification doesn’t help everyone. If you have thoughts on what would actually help people quit, I’d love to learn so I can improve it.

I’m curious: if you’ve tried to quit an addiction (or helped someone do it), what was the hardest part for you? Was it tracking progress, staying motivated after a slip, or something else?

My goal with StopAddict is to keep it minimal and genuinely helpful without turning it into another source of distraction. If you have thoughts on features that would make this more effective, or if you think XP and streak tracking would or wouldn’t help, I’d love to hear your perspective.

Thanks for taking the time to check this out.

I would love to hear from freelancers here: • What do you find most annoying about creating and sending invoices right now? • Do you prefer ultra-simple invoicing tools, or would integrations like payment links and automatic reminders actually save you time? • What small details would make invoicing truly seamless for you?

My goal with InvoiceFast is to help freelancers get paid faster without wasting time on admin, while staying professional with clients.

Happy to answer any questions and open to all feedback to improve this.

Thanks for checking this out.

I would love to hear your honest thoughts: • What is the most annoying part of creating invoices for you today? • Are there details that would save you time if automated? • Do you prefer ultra-simple tools like this for invoicing, or would integrations (payment links, client reminders) make it significantly more useful? • For those who have built freelancing workflows, what would you want from an invoicing tool like this?

The goal is to keep InvoiceFast as focused and fast as possible while adding only what truly helps freelancers and indie makers get paid without wasting time.

Happy to answer any questions and open to all feedback to improve this.

Thanks for checking this out.

I’m especially looking for feedback on: • What would actually help you quit an addiction with a tool like this? • Would you prefer a completely private, simple tool or would community/accountability features help you more? • Is gamification (XP, levels) motivating for you, or does it feel unnecessary? • What blockers have you faced when trying to quit in the past that a tool could help with?

What would help you the most in quitting an addiction?

I’d love your honest feedback: • What would make a tool like this actually helpful for you? • Do you prefer simplicity or do you want community features (chat, accountability partners)? • Would you want reminders, motivational quotes, or prefer a distraction-free dashboard? • What has worked (or failed) for you when trying to quit an addiction?

I built StopAddict to scratch my own itch, but I’d like to make it truly useful for others on the same journey. Any insights, criticisms, or feature requests are super welcome. Thanks!

I’m the maker of StopAddict.

This is part of my mission to ship fast and learn in public. If you’re curious about building while managing discipline and dopamine, I’d love to chat.

Also curious: do you think a daily reflection or journaling feature would add value, or should I keep it purely as a tracker?

Hey everyone – I’m the maker of StopAddict.

I built this because I was struggling with some bad habits and couldn’t find a tool that felt right. Most apps I tried felt clinical, overwhelming, or focused too much on guilt. I wanted something super simple that actually made me want to come back every day — like a game, but without the pressure.

I’m 18, and this is one of my first real SaaS projects. I’d love honest feedback from you all, especially: • Does the gamified approach make sense? • Should I add social features or keep it 100% solo? • What’s the one feature you’d expect but don’t see yet?

Thanks in advance — and if anyone’s building something similar or has shipped solo, I’d love to connect.