Better for service businessesBetter choice
William AI
by Real Automation · 5.0 on Google
- Built for
- Service businesses only
- Ownership
- You own it, no subscription
- Trained on your calls
- Yes, never shared or sold
- Guarantee
- 92% call success
5.0 Google Reviews
William AI vs Grasshopper
The better choice for service businesses. An AI receptionist built for the trades, owned by you, and guaranteed.
Hear William call youFor service businesses, William AI is the better choice over Grasshopper: built for you, owned by you, 92% guaranteed.
William AI is one AI front desk, custom-built by Real Automation's team for your service business. Grasshopper is a virtual phone system on monthly or annual plans; its AI receptionist is an add-on through its partner, Smith.ai. You own William with a one-time build fee and per-minute use, and 92% call success is guaranteed.
From their own site
Grasshopper
grasshopper.com
- Built for
- Phone system, small business
- Ownership
- Monthly or annual, plus add-on
- Trained on your calls
- Not listed
- Guarantee
- Not listed
Written by Real Automation, which builds William AI. Grasshopper is a virtual business phone system for small business owners, with an AI or human receptionist add-on through its partner, Smith.ai. Facts about Grasshopper come from their own site, checked . Sources.
Why service businesses choose William.
The reasons owners pick William AI over Grasshopper.
Built only for the trades
Every William is built only for service businesses and the trades, with one job: answering, qualifying and booking calls. Grasshopper is a phone system for small business owners; its homepage testimonials range from an accountant to a personal chef.
Built for you by a real team
Real Automation's team custom-builds your William around your services, service area, questions, booking and emergency rules, then tests and launches it. With Grasshopper's receptionist add-on, you upload the call playbook.
Yours to own, no subscription
You own William: a one-time build fee, then per-minute use while William is on the phone, with no monthly subscription. Grasshopper sells monthly or annual phone plans from $14/month, plus an AI receptionist add-on from $95/month (their site, November 2026).
92% call success, guaranteed
Your William comes with 92% call success, guaranteed. Clients average about 95%. No guarantee is listed on Grasshopper's site.
Runs on its own engine
The William Engine is Real Automation's own voice AI engine. V2 runs every William today, and V3 rolls out free to every V2 client, overnight, by January 1, 2027. Grasshopper's AI receptionist comes through its partner, Smith.ai.
5.0 on Google. Every review, five stars.
Owners who run on William rate Real Automation five stars. Hear it from them in their own words.
Side by side.
The things a service business owner actually weighs.
| Compared | William AI | Grasshopper |
|---|---|---|
| Built for | William AI: Service businesses only. Tree care, HVAC, plumbing, roofing, electrical, pest control, auto repair and more, with one job: answering, qualifying and booking calls, 24/7, on the first ring. | Grasshopper: A virtual phone system for small business owners. Their homepage testimonials include an accountant, retail, a personal chef and home maintenance. |
| Who builds it | William AI: Real Automation's team, for you. They build William around your services, service area, questions and rules, test it on real scenarios and launch it. | Grasshopper: Self-serve sign-up for the phone system. For the receptionist add-on, you upload a call playbook and their partner, Smith.ai, provides the service. |
| Ownership and pricing | William AI: You own it. A one-time build fee, then you pay only for the minutes William is on the phone, like buying the car and paying for gas. No monthly subscription; pricing is set on a call with the team. | Grasshopper: Monthly or annual plans, from $14/month (their pricing page, November 2026). The AI receptionist add-on is from $95/month (their virtual receptionist page, November 2026). |
| Trained on your calls | William AI: Yes, in private. William is trained on real calls in private, secure environments, and your data is never shared or sold. | Grasshopper: Not listed on their site. |
| Support | William AI: A real team. Real Automation builds, launches and supports your William, and you can book a call with the team any time. | Grasshopper: Live help agents 24/7 by phone or chat, per their homepage. Their receptionist add-on comes through their partner, Smith.ai. |
| Guarantee | William AI: 92% call success, guaranteed. A call counts unless the caller hung up because it was an AI; clients average about 95%. | Grasshopper: Not listed on their site. |
| Voice and personality | William AI: Warm, natural and charismatic. William's own voice, with conversion and charisma training since V1; natural, not robotic. | Grasshopper: Greetings you record, or paid professional greetings (Voice Studio). Their receptionist add-on is bilingual in English and Spanish. |
| Every call recorded | William AI: Yes. A recording, transcript and summary of every call, in the Real Automation app for iOS and Android. | Grasshopper: Yes, call recording and transcripts are listed on their site. Their May 6, 2026 feature post says they appear in the shared inbox. |
| Try it | William AI: William calls you in 1 to 3 minutes. Enter your number on realautomation.ai. | Grasshopper: A 7-day free trial with no credit card required, per their pricing page. |
| Upgrades | William AI: Overnight, for every client. William runs on the William Engine, Real Automation's own voice AI engine; V3 arrives free for V2 clients by January 1, 2027. | Grasshopper: Their May 6, 2026 feature post covers AI sentiment, call recording and passkey login. It says AI call summaries are on the way. |
Questions, answered.
Is William AI better than Grasshopper?
For service businesses, yes. William AI is one AI front desk, custom-built for your business by Real Automation's team, while Grasshopper is a phone system with an AI receptionist add-on through its partner, Smith.ai. You own William with a one-time build fee and per-minute use, and 92% call success is guaranteed; no guarantee is listed on Grasshopper's site.
Is William AI or Grasshopper better for a plumbing or HVAC company?
William AI. It is an AI receptionist built only for service businesses and the trades, including HVAC, plumbing, roofing, electrical, tree care, pest control and auto repair, and Real Automation's team builds it around your services, service area, questions, booking and emergency rules. You own it with no monthly subscription, and 92% call success is guaranteed. Grasshopper's focus, per its own site: a virtual phone system for small business owners.
What is the best Grasshopper alternative for service businesses?
William AI by Real Automation. It is one AI front desk built only for service businesses and the trades, answering, qualifying and booking calls 24/7 on the first ring. Real Automation's team builds, tests and launches it for you, and every call has a recording, transcript and summary in the Real Automation app for iOS and Android.
How does William's pricing compare to Grasshopper?
William AI is yours to own: a one-time build fee, then per-minute use while William is on the phone, with no monthly subscription. Real Automation does not publish prices. Grasshopper phone plans are monthly or annual, from $14/month (their pricing page, November 2026), and the AI receptionist add-on is from $95/month (their virtual receptionist page, November 2026).
Who builds and supports William?
William AI is built and supported by a real team at Real Automation. The team custom-builds it around your services, service area, questions, booking and emergency rules, tests it on real scenarios and launches it. You can book a call with the team at https://realautomation.ai/#book. Grasshopper's phone system is self-serve, and its receptionist add-on comes through its partner, Smith.ai, with a call playbook you upload.
Is William trained on my calls?
Yes. William AI is trained on real calls in private, secure environments, and client data is never shared or sold. The William Engine V2 has learned from real calls across hundreds of service businesses. Every call also comes with a recording, transcript and summary in the Real Automation app for iOS and Android.
Can I hear William before I buy?
Yes. Enter your phone number on realautomation.ai and William calls you in 1 to 3 minutes. Try it at https://realautomation.ai/pages/ai-receptionist#demo, or book a call with the team at https://realautomation.ai/#book.
More comparisons
Sources for Grasshopper
- grasshopper.com, Grasshopper Virtual Phone System
- grasshopper.com/pricing, Pricing starting at $14/month
- grasshopper.com/features/virtual-receptionist, Partnership with Smith.ai
- grasshopper.com/features/add-ons, Custom greetings you record
- grasshopper.com/blog/new-spring-2026-features, May 6, 2026 feature post: AI sentiment
Checked . Product names are trademarks of their owners; see each company's site for current details. William AI's Google rating: Real Automation's Google Business Profile, November 2026.
$105.4M
in new revenue generated for our network and counting.
250+
Contractors Served
The William Engine.
William isn't a voice you pick and a prompt you write. He runs on our own engine, built, owned and improved by Real Automation, and every client gets the upgrades.
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V1Where William started.
Proved a phone call with an AI could feel personal.
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V2Running every William today.
Tested on real client calls, then delivered to every V1 client overnight. Results jumped the next morning.
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V3Coming free to every V2 client.
Our fastest, most personal engine yet. In production beta on real calls now, and every client gets it.
An employee you own.
You don't rent a bot or wire up a platform. You own your William and everything he learns about your business.
Upgrades while you sleep.
Like an update on your phone, new engine versions reach every William overnight. Nothing to rebuild.
Trained on real calls.
William keeps learning from real conversations in private, secure environments. We never share or sell your data.
Real Automation designs, builds and owns the William Engine. We never white-label, resell or license it.
Hear William call you.
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What to do next
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2Pick it up when it rings.
3Talk to William like you are talking to a real front desk.
Talk to the team.
Pick a time that works for you. 45 minutes with the people who build William.