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Related Products
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EternalEngine:
About
EternalEngineOS combines five business functions — CRM, invoicing, payments, booking, and email — in one app for solo founders and small service businesses. The one-person business back office: CRM, invoicing, payments, booking and email. Manage clients and contacts, send invoices and estimates, take payments, schedule bookings on your calendar, and send email — all in one place, without juggling five separate subscriptions. EternalEngineOS replaces the patchwork of separate CRM, invoicing, payment, booking and email tools with one simple app designed for one-person businesses. Free tier: $0, no credit card required. Basic: $9.95/mo flat with a 30-day no-card trial. Team $49/mo, Pro $99/mo, Business $199/mo. Built for solo founders and small businesses of every kind. Start free, no card. Basic is $9.95/mo when you're ready. Launched 3 months ago and in beta.
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VoiceInvoice:
About
Invoicing is a major pain point for contractors, field technicians, and freelancers. After finishing a job, billing often means dealing with spreadsheets, small screens, or late-night admin work—leading to delayed payments and lost revenue.
VoiceInvoice fixes this by making invoicing as simple as speaking.
VoiceInvoice is an AI-powered, voice-first invoicing platform built for the mobile workforce. It turns spoken job details into professional, itemized PDF invoices in seconds.
Just finish a job, tap a button, and say what you did and how much to charge. VoiceInvoice instantly transcribes your voice, creates line items, generates a branded invoice, adds a Stripe payment link, and prepares an email ready to send.
Designed for hands-free use, VoiceInvoice is much faster than traditional tools like QuickBooks or FreshBooks. Clients can pay instantly via credit card or Apple Pay, while businesses benefit from branded templates, invoice tracking, e-signatures.
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EternalEngine:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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VoiceInvoice:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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EternalEngine:
Audience
Service businesses and small businesses
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VoiceInvoice:
Audience
Contractors, Field Technicians, Freelancers, Gig Workers, Mobile Service Providers, Small Business Owners
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EternalEngine:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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VoiceInvoice:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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EternalEngine:
API
Offers API
Not Supported
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VoiceInvoice:
API
Offers API
Not Supported
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EternalEngine:
Screenshots and Videos |
VoiceInvoice:
Screenshots and VideosNo images available
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EternalEngine:
Pricing
$9.95/month
Free $0 (no card, not a trial). Basic $9.95/mo flat, with a 30-day no-card trial. Team $49/mo. Pro $99/mo. Business $199/mo.
Free Version
Supported
Free Trial
Supported
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VoiceInvoice:
Pricing
$15/month
Free Version
Not Supported
Free Trial
Supported
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EternalEngine:
Reviews/
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VoiceInvoice:
Reviews/
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EternalEngine:
Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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VoiceInvoice:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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EternalEngine:
Company InformationEternalEngine
Founded: 2026
United States
eternalengineos.io/basic/
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VoiceInvoice:
Company InformationVoiceInvoice
Founded: 2025
United States
www.voiceinvoice.net
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EternalEngine:
Alternatives |
VoiceInvoice:
Alternatives |
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VoiceInvoice:
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EternalEngine:
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VoiceInvoice: | |||||
EternalEngine:
Categories |
VoiceInvoice:
Categories |
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EternalEngine:
Business Management Features
Billing & Invoicing
Supported
CRM
Supported
Employee Management
Not Supported
Financial Management
Supported
Inventory Management
Not Supported
Marketing Management
Supported
Order Management
Not Supported
Point of Sale (POS)
Not Supported
Project Management
Not Supported
Purchasing
Not Supported
Scheduling
Supported
Time & Expense Tracking
Not Supported
Training Management
Not Supported
Vendor Management
Not Supported
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EternalEngine:
Integrations
No info available.
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VoiceInvoice:
Integrations
No info available.
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EternalEngine:
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VoiceInvoice:
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