ReckonOS and Assembly (formerly Copilot) compared
Assembly, the client portal formerly called Copilot, is a client workspace for files, messages, contracts and billing. Its Starter plan is $49 a month or $29 billed yearly for one internal user and 50 clients. ReckonOS Starter is $49 or $39, with a portal focused on invoices and payment, plus tax reserve estimates and project margin.
Prices checked on 10 November 2026. Prices may change. Check the vendor’s site for current pricing.
Which fits you
Choose Assembly (formerly Copilot) if
Your clients need a shared workspace with files, messages and contracts, not only invoices.
Choose ReckonOS if
The portal your clients need is for invoices and payment, and you also want tax set-aside, project margin and receipts in the same tool.
Assembly (formerly Copilot) list prices
Read on the vendor’s own page on 10 November 2026. List prices, not introductory offers.
| Plan | Basis | Billed monthly | Billed yearly, per month |
|---|---|---|---|
| Assembly (formerly Copilot) Free | 1 internal user, 5 active contacts | $0 | $0 |
| Assembly (formerly Copilot) Starter | 1 internal user, 50 active contacts | $49 | $29 |
- Source: assembly.com/pricing (opens in a new tab), checked 10 November 2026. The page does not say whether tax is added.
ReckonOS prices
Per workspace, in US dollars. VAT or sales tax may be added at checkout. Every plan has unlimited clients and invoices.
| Plan | Limits | Billed monthly | Billed yearly, per month |
|---|---|---|---|
| ReckonOS Starter | 1 user; 1 payment gateway plus bank transfer; 50 receipt scans a month | $49 | $39$468 a year ÷ 12 |
| ReckonOS Pro | Up to 10 users; 3 payment gateways plus bank transfer; 500 receipt scans a month | $99 | $79$948 a year ÷ 12 |
| ReckonOS Studio | Up to 50 users; 8 payment gateways plus bank transfer; 2,000 receipt scans a month | $199 | $159$1,908 a year ÷ 12 |
The arithmetic
One person, Assembly Starter against ReckonOS Starter
Billed monthly: $49 (Assembly (formerly Copilot) Starter) = $49 a month; ReckonOS Starter $49, so ReckonOS costs the same.
Billed yearly: $29 = $29 a month; ReckonOS Starter $39, so ReckonOS costs $10 more.
Tax and payment-processing fees are left out on both sides. The cost calculator on the Pricing page compares whole stacks of tools.
Side by side
Assembly (formerly Copilot) column as stated on its pricing page on 10 November 2026. “Not listed” means the page we checked did not mention it.
| Feature | ReckonOS | Assembly (formerly Copilot) |
|---|---|---|
| Client portal | A private link per invoice to view, download and pay | A full client workspace: files, messages, contracts, CRM and apps |
| Billing and payments | Every plan, through your own gateway accounts, no ReckonOS fee | Every plan, including Free; processing fees apply and fall on higher plans |
| Users and clients | 1, 10 or 50 users; unlimited clients | Free: 1 user and 5 clients; Starter: 1 user and 50 clients |
| Tax reserve estimate and project margin | Yes | Not listed on the page we checked |
Where they are not like for like
- Only the invoice and payment parts of Assembly are compared; its files, messaging, contracts and CRM have no ReckonOS equivalent.
- Assembly’s Professional, Advanced and Enterprise prices could not be read as text on its pricing page, so they are not shown.
Prices checked on 10 November 2026. Prices may change. Check the vendor’s site for current pricing. Assembly is a trademark of its owner, named here only to identify the product. This page is not endorsed by or affiliated with it.
Other comparisons: QuickBooks Online · FreshBooks · Wave · Xero · Bonsai · Expensify
Questions
Is Copilot now called Assembly?
Yes. Assembly’s own page, assembly.com/copilot-rebrand, says “Copilot Client Portal Software is now Assembly”.
Try ReckonOS on your next invoice.
Set up your workspace, add your logo and send an invoice in your own template. Every feature is open during the trial.
$7 today for 7 days of full access. On day 7 Pro starts at $99 a month (or $948 a year) unless you cancel first. Cancel any time from Settings > Billing. VAT or sales tax may be added at checkout.