You will get a fast, offline-capable Progressive Web ▎ App (PWA) for any use case


Project details
I will build you a Progressive Web App (PWA) that installs on any phone — iPhone or Android — in a single tap. No app store. No approvals. No big downloads. It opens instantly, works fully offline, and runs as smoothly as a native app. PWAs are the smartest, fastest way to put a tool in your users' hands. I've built them for real-world use — including a daily cognitive check-in app used in a live caregiving environment with zero internet dependence — so I know what it takes to make one that holds up in the field. Whether you need a daily check-in form, a field inspection checklist, an animal temperament assessment, a survey tool, a training tracker, or a full offline data-collection system, I'll build it to match your workflow exactly. Every project starts with a free 30-minute discovery call so we can confirm fit, clarify the scope, and make sure you feel good before a single line of code is written. No pressure, no jargon — just a real conversation.
Programming Languages
HTML & CSS, Java, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$399
|
Standard
$749
|
Advanced
$1,499
|
|---|---|---|---|
| Delivery Time | 5 days | 8 days | 12 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 5 | 10 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$149 - $299
Additional Revision
+$99
Additional Page
(+ 1 Day)
+$129Frequently asked questions
About Marguerite
AI Systems Builder | Custom Apps, Automation & Voice AI
Los Angeles, United States - 3:52 pm local time
• Voice AI Agents — 24/7 phone receptionists (Retell AI, ElevenLabs)
• Workflow Automation — self-hosted systems that run without human intervention
• Offline PWAs — installable web apps that work without signal
• End-to-End Integration — CRM, calendar, Airtable, notifications
Steps for completing your project
After purchasing the project, send requirements so Marguerite can start the project.
Delivery time starts when Marguerite receives requirements from you.
Marguerite works on your project following the steps below.
Revisions may occur after the delivery date.
Free 30-Minute Discovery Call
We walk through your use case, confirm fit, and lock the scope before any work begins. No pressure, no jargon — just a real conversation.
Design & Build Your PWA
I wireframe your screens, build the PWA with offline capability, and set up local storage or sync based on your tier.


