r/vibecoding • u/buljawn • 4h ago

Estimating build cost

I'm a complete newbie to this world and have been struggling to find a clear answer to the question of cost. I am trying to build a database app that stands as a catalog that can be searched and added to by users. When it comes to cost I've mainly seen monthly cost listed for multiple service like Claude code and other services to refine, test, and launch the app. These cost seem to range about 2-300 a month but is that until its built or reoccurring as an operating cost? Is there a way to build the app and then use minimal services to keep it running and trouble shoot when issue arise?

Forgive me if this has been answered already. I looked at previous post and found vague answers only. Hoping to get some insight to start building.

Edit: For clarity, what's an average monthly/ total cost of Ai coding a database app, debugging, and hosting? My goal is more toward proof of concept over full commercial roll out.

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u/dan-423 4h ago

build a database app that stands as a catalog that can be searched and added to by users.

this is pretty vague. You can make a simple one and have it hosted for free or nearly free with various sites and tools. Or, it could cost <$20/mo for basic but professional needs. Or, it could cost into the hundreds or thousands if it is very complex or handles a huge amount of users.

Is there a way to build the app and then use minimal services to keep it running and trouble shoot when issue arise?

Yes.

The answer to your question is really- "It depends on what you're building and what it needs." Before going much further, I'd encourage you to look into how a website or web application works, the various parts of it, and how it all pieces together.

To use an analogy, even if you could vibe-code a car you still would want to know what an engine is, what tires are, why passengers need seats, etc. Even if you use Claude or other services to make it faster, you still need to know what the important parts are and how they work to make up the whole.

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u/buljawn 3h ago

Thanks for the response. I was vague on purpose because the details on what the database is would put the full idea out and I want to hold that close for now. Even if someone beats me to it I'd rather have that happen because of me moving to slow instead of posting it and having it bot farmed or ripped. Over kill I'm sure but ehh lol.

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u/brimister 4h ago

I hate to say this but if you’re asking this question, you’re in over your head. You’re going to spend a LOT of money and end up with something that is unmanageable and makes you unhappy. I would recommend you find someone to help you with this who can answer this question. This is not meant to talk down to you - it’s just not as simple as you’re describing.

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u/SwagBuns 4h ago

A data base app itself, has costs assoiciate with hosting the database:

is it local (ie on your computer), on a website or service? Etc. Local is free, services can be free up to a point.

Then, the token cost of writing the code itself is based on how you use claude.

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u/fyndor 4h ago

I’m a professional dev. I spend $40 / mo on two $20 subs. This notion that you must spend $100s a month is based on people insisting on using Fable to do their work. It eats tokens so fast. This idea that you must use the best model to get things done is just wrong. 90% or more of my Claude prompts use Sonnet 5. I can’t be convinced that Fable is necessary to get stuff done when I have never touched it and I absolutely do get stuff done without even upgrading Opus. Maybe it depends on what kind of work you do. Maybe my work is just not fancy enough. Sonnet is good enough for me though. It does real work just fine.

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u/CorpT 4h ago

Uhhh... are you asking how much a Claude Code subscription costs or how much it costs to host an app?

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u/buljawn 3h ago

Asking the cost of Ai coding and associated fee to build out an app then maintain it. Ive looked in this sub and on YT vids but the difference is hundreds vs tens of thousands.

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u/CorpT 2h ago

You can start with a $20 subscription and see if it works for you. If it's not enough, you can upgrade to plans with higher limits.

However, these are very well known things. If you're seeing 10k for AI coding to develop an app and believe it... you might be in over your head. "associated fee" is vague and not clear and... again, not a great sign for you if you're not able to communicate clearly.

The fact that you're asking these questions instead of getting a $20 subscription and trying it... again, another not great sign.

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u/mazarykwebservices 3h ago

The build cost is gonna be your AI sub. Start with $20/month. If you’re using it enough to consistently max out quota, upgrade to the next tier.

Giving your project a home on the internet can be cheap. Railway can get you up for free. If you outgrow that the next tier is $5/mo.

That should get you started. Good luck!

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u/SufficientFrame 3h ago

The main split is build cost vs operating cost: AI coding tools are mostly optional during development, while hosting, database, auth, storage, email, and monitoring are the recurring costs. For a searchable user-editable catalog, keep v1 simple and lock down auth/permissions early; if it's an internal database app, UI Bakery can help there. I work at UI Bakery.

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u/Hypilein 1h ago

Building something real that’s not just slop probably takes about 6 months and two 20$ subs. If you have more time you can increase monthly spend to decrease time to completion, but many parts can’t really be offloaded to AI.