Sumly vs QuickBooks for Solo Consultants: Which Fits a Business of One?

Short answer: QuickBooks is the better fit if you need accrual accounting, inventory, employees on payroll or an accountant who works only in QuickBooks. Sumly is the better fit for independent consultants, fractional executives and coaches who want bookkeeping, deduction tracking and quarterly tax estimates handled automatically, with a real Tax Pro included, without learning accounting software.

QuickBooks is the name most small businesses know, and for good reason. But many solo professionals, whether you call yourself a freelancer, a 1099 contractor, a sole proprietor or a single-member LLC, use only a fraction of it. The question is not which tool is better in general. It is which one fits a business of one.

What is the main difference between Sumly and QuickBooks?

QuickBooks is accounting software built for small businesses of every shape: inventory, employees, accounts payable, accrual reporting. Sumly is a financial platform built for the self-employed, and it starts from taxes: it tracks income and expenses, finds deductions, calculates quarterly estimates and gives you a Tax Pro.

That difference shows up in what each one asks of you. Tracking expenses is the most common goal among Sumly users: 71% list it when they sign up. Most of them do not want to manage a chart of accounts to get there.

How do Sumly and QuickBooks compare for solo consultants?

QuickBooks prices from NerdWallet's QuickBooks pricing guide, updated March 2026; check Intuit for current offers.

What does a solo consultant actually need from financial software?

Strip away the features built for larger companies and a business of one needs five things:

1. Every transaction in one place. Business checking, business cards and any personal account that occasionally pays for work, connected and pulled in automatically.
2. Categories that stay right. Software that learns that your coworking membership is rent and your conference ticket is professional development, so you are not fixing the same merchant every month.
3. Deductions you can see. The home office, a share of your phone and internet, software, travel to client sites and health insurance, found as they happen rather than reconstructed in March.
4. A quarterly number. What to pay on April 15, June 15, September 15 and January 15, based on what you actually earned, not a flat guess.
5. Someone to ask. A person for the questions software cannot answer, like whether a big equipment purchase belongs in this year or whether it is time to talk about an S-Corp.

QuickBooks covers the first two very well and the rest through add-ons or your accountant. Sumly was built around all five for one person. Neither is wrong; they are designed for different businesses.

A quick example of why the third point matters. A coach works from a 150-square-foot home office and pays $90 a month for phone and internet, used about half for business. With the simplified home office method, that office is worth $750 ($5 x 150 square feet). Half the phone and internet bill adds $540 a year. That is $1,290 in deductions that only count if someone notices them. In software that categorizes but does not flag deductions, they are easy to miss.

When is QuickBooks the right choice?

• You sell products and need inventory tracking.
• You have employees and need a full payroll and accounting system.
• You need accrual-basis reports for lenders or investors.
• Your accountant does your books and will only work in QuickBooks.

If two or more of these describe you, QuickBooks will probably serve you better.

When is Sumly the right choice?

• You are a consultant, fractional exec or coach with a handful of clients and no inventory.
• Your biggest financial worries are taxes: what to set aside, which deductions you are missing and what you owe each quarter.
• You tried QuickBooks and stopped using it, or you never set up a system at all.
• You want a person to ask when something is unusual, without paying an accountant $750 to $2,500 or more to file.

As a fractional CFO who uses Sumly put it: "Their tech made it easy to pull in my revenue and categorize everything automatically. Saved me so much time."

What does each one cost a solo consultant over a year?

Worked example. A consultant who wants full bookkeeping, quarterly estimates and help at tax time compares two setups:

• QuickBooks Simple Start plus an accountant: $38 x 12 = $456 a year in software, plus $750 to $2,500 or more for a CPA to file, for about $1,200 to $3,000 in total.
• Sumly Strive plus Sumly tax filing: $49 x 12 = $588 a year, plus $499 for a Sumly Tax Pro to file your return, for $1,087 in total, with bookkeeping, quarterly estimates, Tax Pro chat and filing in one place.

Software is only part of the cost. DIY filing takes most self-employed people 20 or more hours a year, and the average self-employed person overpays by $2,350. Want to see what you might be missing? Our free Tax Savings Calculator estimates it in about two minutes.

Can I switch from QuickBooks to Sumly mid-year?

Yes, but January 1 is the cleanest switch, because your full year sits in one system. If you switch mid-year, connect your bank and card accounts so Sumly can pull in this year's transactions, and keep a QuickBooks export for the months before. If an accountant files your return, tell them early which reports they will receive.

Frequently asked questions

Is Sumly a QuickBooks alternative for freelancers?

Yes, for freelancers and consultants whose main needs are expense tracking, deductions and quarterly taxes. It is not built for inventory or accrual accounting.

Is QuickBooks Solopreneur enough for a consultant?

It covers basic income and expense tracking. Consultants who want a Tax Pro, automatic deduction finding and quarterly estimates from real income often look for more.

Does Sumly do double-entry accounting?

Sumly keeps cash-basis books built for the self-employed. If you need full double-entry, accrual accounting, QuickBooks is the better fit.

Can my accountant work with Sumly?

Ask your accountant what they need at filing time. Many self-employed people have a Sumly Tax Pro file for them instead, for $499.

Which is easier to learn?

For a business of one, Sumly is designed to need very little setup: connect your accounts, answer a few questions and review only the transactions it is unsure about.

Sources and further reading

NerdWallet, QuickBooks pricing (updated March 2026); Sumly; IRS, Estimated taxes. Tax situations vary, so confirm specifics with your tax professional.

Built for a business of one

Sumly handles bookkeeping, deductions and quarterly taxes for the self-employed, with a real Tax Pro when you need one.