How I built a tax planning app for the 1099 economy
For builders and founders, the path from shipping a product to seeing real revenue is an exciting journey. However, that success often comes with a hidden side effect: a complex and often overwhelming tax situation that standard accounting tools aren't built to handle.
You built something. You're shipping code, closing consulting deals, or finally seeing SaaS revenue hit your account. It's an incredible feeling until you realize that none of that income has taxes withheld automatically. Most builders don't think about this until April, which is when the bill arrives and it's inevitably bigger than expected. The IRS doesn't care that you were heads-down building. They charge a penalty for underpaying quarterly taxes even if you pay everything in full come April.
After 20 years in bookkeeping, I watched this happen to smart, capable people over and over. It's not a money problem. It's an information problem. That's why I built the SnapTax tax planning app for freelancers and 1099 workers.
The problem every builder with side income faces
The freelance economy is expanding rapidly, with the market growing by 90% between 2020 and 2024. But as the number of independent workers grows, so does the risk of "April Surprises."
When you're earning through Venmo, Stripe, PayPal, or Zelle, your income feels simple. However, your tax situation is anything but. Traditional tools are built for filing season (looking back) or for corporate teams (looking at balance sheets). Neither helps you understand what you owe today.
As we found in our research, most independent workers don't know what they owe until the end of the year. This information gap leads to surprise bills and daily penalties that accrue from the quarterly deadline, not from April 15.
Why builders and founders are especially exposed to tax risk
Builders often fall into specific traps that general freelancers don't. Because many of us start with a "day job" while building on the side, our tax liability is more complex than a standard 1099 situation.
The W2 + 1099 blind spot
Many builders assume their W2 withholding covers everything. It covers your employment income, but it doesn't touch a single dollar of your side profit. The 15.3% self-employment tax applies to all 1099 net profit on top of federal and state income tax. This first quarterly payment blindsides most first-year side hustlers because they simply haven't accounted for that extra layer.
The income spike problem
Builders have unpredictable income. A big contract month or a successful launch can dramatically increase your tax liability. Static savings rules (like the "save 30%" rule) break down when income is variable. What you owed last month doesn't predict what you owe this month. You need real-time calculations based on actual numbers to stay safe.
The "I'll deal with it later" trap
Quarterly deadlines don't wait for product launches. For 2026, the deadlines are:
- Q1: April 15, 2026
- Q2: June 15, 2026
- Q3: September 15, 2026
- Q4: January 15, 2027
Missing even one triggers a daily penalty that accrues from the deadline.
Why I built SnapTax: Solving the information problem
I spent two decades watching freelancers get blindsided by tax bills from tools that were never built for them. QuickBooks Solopreneur is built for businesses with employees. TurboTax Self-Employed is built for filing season. Nothing was built for real-time tax awareness throughout the year.
We built our tax planning app for freelancers and 1099 workers to solve the knowledge gap, not the filing problem. Freelancers don't struggle with the act of filing. They struggle with not knowing what they owe until it's too late.
SnapTax is a PWA that works on every device without requiring an app store download. We also made a deliberate choice not to require bank connections, giving you privacy and control over your data. We shipped fast using Lovable and continue to iterate based on feedback from our active users.
What SnapTax actually does: Features for the modern builder
We focused on the features that matter most for builders with side income. We didn't want to build another accounting system; we wanted to build a clarity engine.
Real-time tax dashboard
Our dashboard lets you see your current estimated tax liability update automatically as your income changes. We display your safe harbor amount alongside your actual estimate so you can choose the payment strategy that fits your cash flow.
W2 + 1099 combined income support
This was built specifically for the side-hustler situation. You can enter your W2 salary and 1099 net income together. Our system calculates the gap your W2 withholding doesn't cover and shows exactly what quarterly payments you still need to make.
AI expense categorization
If you use our Builder bundle, you can upload your bank statement and our AI automatically assigns every transaction to the correct Schedule C category. We support mixed personal and business accounts, letting you tag a "business use percentage" per transaction so you don't need a separate business bank account to stay compliant.
"Is this deductible?" wizard
Describe any expense in plain English and get instant guidance. There's no need for Googling or waiting on support. It's available on the web and in-app to help you find deductions you might have missed.
Quarterly payment center
We track all four 2026 deadlines with amounts and status. We even built in a "Direct Pay the IRS" button that takes you straight to the IRS Direct Pay portal, tracking your payment history year over year.
What I've learned building in public
Every feature in our latest release came directly from user feedback. W2 + 1099 support was the most requested feature in our first six weeks. We've learned that building for a niche audience (1099 workers) is harder to find but converts better than building for "everyone."
The trust problem in FinTech is real. Users need to believe your numbers before they'll pay for them. Every IRS source citation on every page of our site was a deliberate trust-building decision. If your audience has a specific pain point that existing tools like Keeper Tax or FlyFin ignore, that is your moat. We didn't build our app to be another tax tool. We built it to be the only one that feels like it was made for you specifically.
What's coming next for SnapTax
We're moving fast because tax deadlines don't wait. Our roadmap includes:
- Native versions for the App Store and Google Play
- A Deduction Optimizer bundle featuring retirement contribution optimization, medical deductions, itemized deductions
- Home office deduction wizard
- Integration with Shopify's MarketPlace
- Capital Gains tracker
- Continued expansion of the "Is This Deductible?" knowledge base
Start tracking your taxes with confidence today
If you're a builder with any 1099 income, from consulting fees to SaaS revenue, our tax planning app for freelancers and 1099 workers was built for your situation. You can get started with a 90-day free trial on our Starter plan with no credit card or bank connection required.
If you have questions about how it works or want to give feedback, reply directly. I read every message personally.
Plans
| Plan | Price | Key Features |
|---|---|---|
| Starter | $4.99/mo | Basic tax planning, quarterly estimates, 90-day free trial |
| Builder | $19.99/mo | AI expense management, P&L reports, mileage tracking, mobile receipt capture and tracking |
| Optimizer | $39.99/mo | Advanced deductions, capital gains tracker, Shopify MarketPlace Integration (Coming Soon) |
Ready to stop guessing? Try our quarterly tax calculator or start your trial today.
Frequently Asked Questions
Does this tax planning app for freelancers and 1099 workers support state taxes?
Yes, we provide estimates for both federal and state tax liabilities based on your specific location and income levels.
How does a tax planning app for freelancers and 1099 workers calculate the W2 withholding gap?
By entering your W2 salary alongside your 1099 profit, the app determines how much your employer already covers and calculates the remaining balance needed to meet IRS requirements.
Can I use this tax planning app for freelancers and 1099 workers without linking my bank account?
Absolutely. Our Starter plan allows for manual entry and statement uploads, ensuring you maintain full control over your financial privacy.
Will the tax planning app for freelancers and 1099 workers remind me of deadlines?
Yes, we have a built-in Quarterly Payment Center that tracks all IRS deadlines and sends alerts so you never miss a payment.
Is the tax planning app for freelancers and 1099 workers suitable for S-Corps?
While our current focus is on solo contractors and LLCs, many of our features like AI categorization and depreciation tracking are useful for S-Corp owners handling their own planning.
