
Wasmer
QuickJS
Lapce
Kata Containers
OpenCL
PostSharp
Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.

Tradify
ServiceM8
Jobber
Fergus
AroFlo
ServiceTitan
Eworks Manager
AI-first field service management software for the trades.

Which is more popular?
Based on our record, Extism seems to be more popular. It has been mentioned 25 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | extism.org | simprogroup.com |
| Pricing | ||
| Company | — | Startup from the United States · 500 - 999 employees · 2002 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Extism yet.
Simpro is a global AI-first operating system and field service management software platform for residential and commercial trade businesses. Led by Chairman and CEO Fred Voccola, Simpro helps trade contractors and field service companies manage the full job lifecycle, including estimating,...
What each product offers, as listed by its team.


No features have been listed yet.
An editorial look at what each product does well and who it suits.


No analysis of Extism yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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What is Field Service Management Software? | Simpro
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Extism and Simpro.
Simpro's answer:
Simpro combines field service management, job management, project management, asset maintenance, reporting, invoicing, scheduling, dispatching, and mobile field tools in one connected system for the trades. It is positioned as an AI-first operating system for residential and commercial trade businesses, with Simpro Lightning using AI agents, field data, and business intelligence to help reduce admin, protect margins, and scale operations.
Simpro's answer:
Choose Simpro if you need an end-to-end field service platform built for trade contractors rather than a generic work-management tool. Simpro supports estimating, quoting, scheduling, dispatching, mobile work, job documentation, asset maintenance, invoicing, payments, reporting, business intelligence, customer engagement, and operational growth.
Simpro's answer:
Simpro is built for residential and commercial trade contractors, field service companies, technicians, office teams, operations leaders, and business owners. Core industries include electrical, fire protection, HVAC, plumbing, security, commercial service, residential service, project work, and asset maintenance.
Simpro's answer:
Simpro was founded in 2002 after an electrical business owner and a software engineering student set out to build software that worked for the trades in the field and in the office. Today, Simpro is a global AI-first operating system and field service management software platform, led by Chairman and CEO Fred Voccola, and is part of the Simpro Group portfolio with AroFlo, BigChange, and ClockShark.
Simpro's answer:
Simpro is a SaaS field service management platform built around connected job, project, asset, customer, reporting, inventory, and field operations workflows. Current product positioning centers on AI agents, field data, business intelligence, mobile field work, scheduling and dispatch, and operational reporting for trade businesses.
Share your experience with using Extism and Simpro. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Extism yet. Be the first one to post
Review #1: “Simpro gives you full insight into your business operations. You can track all jobs, profit and losses, price list discrepancies, employee productivity, Workflows and the list goes on.” – David H.
Recommendations tracked on public social media and blogs since March 2021.


Technically WASI 0.1, but I used it (via Extism[0]) to implement a simple login library[1] that works in Rust, Go, and Node. Would be trivial to add other lanugages supported by Extism. Overall I loved the dev experience. [0]:... - Source: Hacker News / 3 months ago
I tinkered with https://extism.org and basically the use case is that they suggest, namely you can extend software in another programming language but without having to setup a container or VMs on the client. They "just" run the code in... - Source: Hacker News / 3 months ago
Check out https://extism.org, it is built for those kinds of use cases. However I think WASI and components could enhance it. - Source: Hacker News / 4 months ago
Tracking Simpro since Mar 2021.
When comparing Extism and Simpro, you can also consider the following products.


Tradify is a Job Management software for the trade contractor it can track every job from quote to invoice, helps to stay on top of workflow by tracking the jobs and team at all times.
Compare Tradify to Extism or Simpro:

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ServiceM8 (Service Mate) is cloud software that allows you to manage any service business. Manage jobs, produce mobile quotes and invoices on the go. Get Control.
Compare ServiceM8 to Extism or Simpro:


Jobber’s field service scheduling software and app is the best way to organize your service business. Quote, schedule, invoice, and get paid—all in one place. Our easy-to-use app powers your sales, operations, and customer service.
Compare Jobber to Extism or Simpro: