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Selling AI Voice Assistant Source Code - buy ai app source code with lifetime license

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Seller's description

My story

To be honest, it was not easy building this. I started this channel back in 2021, late at night after my day job, fueled by coffee and a stubborn belief that voice technology could feel personal. I remember the first time my assistant correctly understood my mumbled order for a pizza. I actually laughed out loud. That moment made all the debugging worth it.

This source code grew from that obsession. It's not a slapped-together script. It's a carefully crafted system with natural conversation flow and custom wake-word detection that I tuned for months. I've used it to control my smart home, manage my calendar, and even remind me to call my mom on Sundays. It genuinely feels like a helpful companion, not a robot.

What is included

You're getting the complete, ready-to-deploy source code, which means you can buy ai app source code and start building your own voice assistant today. Here's the full package:

  • Full backend in Python (FastAPI) with WebSocket support for real-time responses
  • Frontend web demo (HTML/JS) ready to host anywhere
  • Integration with popular speech-to-text and text-to-speech APIs (OpenAI, Google, or local options)
  • Custom intent parser and dialogue manager with 50+ built-in actions
  • Docker setup for one-command deployment
  • Detailed documentation and setup guide (30 pages)
  • Lifetime license, no recurring fees, no strings attached

Everything is well-commented and organized, so even a junior developer can follow along. I've also included unit tests covering 85% of the core modules, so you're not inheriting a hidden mess.

Why I am Selling

Life has shifted for me. I've taken a full-time position managing a research team, and I simply don't have the evenings to maintain this project anymore. It breaks my heart a little, but this code deserves someone who can give it the attention it needs. I'd rather pass it on than let it gather dust in a private repo.

This is a complete, working system, not a tutorial or a half-finished idea. You'll be able to run it on your own machine within an hour. I'm selling it through Escrozon's secure escrow, so you can inspect the code safely before releasing payment. I'm happy to answer any questions through the platform, and I'll provide one hour of live walkthrough support after the transfer.

How AI software changes hands

What you should receive and check on every AI software listing, whatever the seller writes. Escrozon does not check the code for you.

  • Code, prompts and setup, not a login

    Expect the source code, ideally as a repository with its history, plus the prompts, any model files the listing names, the deployment settings and setup notes. A login to the seller's hosted app is not ownership.

  • Running costs move to you

    Most AI tools call a paid model provider that bills by usage. You connect your own API keys after the sale, so ask what the tool costs to run each month before you pay.

  • Some parts may not move

    A fine-tuned model can be tied to the seller's provider account, and code can include libraries under their own licences. Ask what moves to you and what you would rebuild.

  • Check it before you confirm receipt

    Run the code with your own keys and test it on a real task. Confirming receipt releases the payment to the seller. If you neither confirm nor open a dispute, it is released automatically 30 days after delivery starts.

Read the full guide to buying AI software

Product details

Stated by the seller and not checked by Escrozon. Ask for a demo or sample files before you pay.

StatusAvailable
Niche
Lifestyle
AI Project Type
Developer
Delivery Time
Instant transfer

Price

$1,355.00

Held in escrow during the handover

Seller price$1,355.00
Escrow fee (6%)$81.30
You pay$1,436.30

Funds held safely in escrow while you check the transfer. The seller is paid when you confirm receipt, or automatically 30 days after delivery starts if you have neither confirmed nor opened a dispute. If anything goes wrong, open a dispute and a moderator will intervene.

Seller

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Every message is scanned for scams. Off-platform payment requests are blocked automatically.

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About this listing

Frequently asked questions

You get the complete backend in Python with FastAPI and WebSocket support, the frontend web demo, integrations for speech-to-text and text-to-speech APIs, a custom intent parser with 50+ built-in actions, Docker setup, a 30-page documentation guide, and unit tests covering 85% of the core modules. The license is lifetime with no recurring fees.

Once your payment clears escrow, I start the transfer right away. You'll get access to the repository immediately, and you can inspect the code before releasing payment.

Yes. The Docker setup is built for one-command deployment, and the code is well-commented and organized. You should be able to run it within an hour, even if you're a junior developer.

I'll provide one hour of live walkthrough support after the transfer. I'm also happy to answer questions through the platform while you inspect the code.

AI software or model checklist

Most AI listings fail on licence chain or on what you actually receive.

  1. 1Ask what base model it derives fromA fine-tune inherits its base model's licence, including its restrictions.
  2. 2Get measured results on data you can inspectAccuracy quoted without a dataset is not a claim you can verify.
  3. 3Establish whether you receive weights or API accessThese are completely different assets at completely different prices.
  4. 4Check the hardware it needs to runA model requiring 40GB of VRAM is not usable on a laptop.
  5. 5Confirm who pays for inference after the saleAn API-backed tool is a recurring cost, not a one-off purchase.
  6. 6Ask for the licence chain end to endA seller cannot grant broader rights than they hold.
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