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Amadae vs Lettuce
S-corp automation for businesses of one · Updated 2026-08-19
Lettuce is an S-corp automation platform for businesses of one. It combines banking, AI-powered bookkeeping, automated payroll and tax payments, a year-end true-up, and S-corp plus personal tax preparation on its top plan, with setup starting at $0 plus state fees.
Lettuce is the competitor most architecturally similar to Amadae: both believe the S-corp stack should be automated software with banking inside, not a service firm on top of QuickBooks. The difference is breadth. Lettuce is focused tightly on the S-corp tax loop for businesses of one. Amadae covers that loop plus invoicing, agreements, meetings, documents, product analytics, personal finance, and an AI operator across all of it. Choose Lettuce for a focused S-corp autopilot. Choose Amadae if you want the S-corp autopilot inside a full business operating system.
Amadae is best for
- Solo businesses that want more than the tax loop: invoicing, e-sign, docs, meetings
- Owners who want personal finance and forecasting in the same platform
- People who want a conversational AI operator across their whole business
Lettuce is best for
- Businesses of one that want a tightly focused S-corp automation product
- Solopreneurs whose only pain is payroll, quarterly taxes, and the S-corp return
Pricing
Amadae
- Software modules: $10/month each (Calendar, Agreements, Beats, Touchpoints, Documents, Rehearsal), bundle discounts up to 30%
- Amadae Accounting (full-service bookkeeping, tax preparation, and quarterly strategy): quoted after a free financial review
- 14-day free trial on software modules, cancel anytime
Lettuce
- Setup starts at $0 plus state filing fees
- Tiered subscription plans; full S-corp and personal tax prep on the top tier
Lettuce publishes tiered pricing on lettuce.co/pricing; check current rates as they have changed over time. Amadae Accounting is quoted after a free review.
Feature comparison
| Feature | Amadae | Lettuce |
|---|---|---|
| Automated bookkeeping on its own ledger | Included | AI-powered bookkeeping included |
| Business and personal tax filing | Included with Amadae Accounting | S-corp and personal returns on top plan |
| Quarterly estimated taxes | Calculated and scheduled for you | Automated quarterly tax payments |
| S-corp formation and election | Included | Formation and election included |
| Business banking and cards | Built in | Integrated banking included |
| Invoicing and payments | Built in | Not a core feature |
| AI operator (Mo) | Included in every module | AI features focused on bookkeeping |
| Personal finance and forecasting | Included | Not offered |
Pros and cons
Amadae
Pros
- Everything Lettuce automates, plus invoicing, agreements, documents, meetings, and analytics modules
- Mo, the AI operator, works across the whole business, not just categorization
- Personal finance, forecasting, and household features included
- Software modules from $10/month with a 14-day trial
Cons
- Full-service pricing is quoted rather than published
- Broader platform means more surface area to learn if you only want the tax loop
Lettuce
Pros
- Purpose-built, automated S-corp loop: banking, payroll, quarterly payments, true-up
- Low-friction setup starting at $0 plus state fees
- Clear focus on businesses of one
Cons
- Scope is intentionally narrow: no invoicing suite, documents, or meeting tools
- Business-only: personal finances live elsewhere
- White-glove positioning at higher tiers can price like a service firm
What Lettuce does well
Lettuce automates the S-corp money loop end to end: money lands in Lettuce banking, gets categorized by AI, reasonable-salary payroll runs automatically, quarterly taxes are paid on time, and a year-end true-up feeds the S-corp and personal returns. For a business of one whose entire pain is that loop, it is a well-designed product.
Where Amadae is different
Amadae agrees with Lettuce's core premise, automation on an integrated ledger with banking inside, and extends it to the rest of the business. Invoices and payments post to the same books. Agreements get e-signed in the same platform. Meetings are recorded and summarized. Documents, product analytics, and scheduling are modules on the same account, each $10 per month. Mo, the AI operator, works across all of it, so the automation is not limited to categorizing transactions.
Amadae also covers the owner as a person, not just the entity: personal finance, forecasting, quarterly estimate strategy that accounts for household income, and personal returns filed alongside the business.
How to choose
If your needs start and end with the S-corp tax loop, Lettuce is a focused tool for exactly that. If you would rather run the whole business, money in, money out, contracts, meetings, taxes, and personal finances, on one AI-native platform, Amadae covers far more surface. Amadae's free review will also sanity-check whether the S-corp election is even worth it for your profit level.
Frequently asked questions
Are Amadae and Lettuce basically the same product?
They share a philosophy: automate the S-corp stack on integrated software with banking inside, rather than selling hours on top of QuickBooks. Lettuce stops at the tax loop for businesses of one. Amadae extends the same automation to invoicing, agreements, documents, meetings, analytics, and personal finance, with an AI operator across all of it.
Do both handle quarterly estimated taxes automatically?
Yes. Lettuce automates quarterly payments from its banking layer. Amadae calculates, schedules, and files quarterly estimates as part of its accounting service, with safe-harbor logic so you never underpay.
Which is better if I have a spouse or household finances to plan around?
Amadae. It manages personal finance and forecasting alongside the business and files personal returns that account for household income. Lettuce is business-only by design.
Can I try either before committing?
Amadae's software modules carry a 14-day free trial, and the accounting service starts with a free financial review. Lettuce setup starts at $0 plus state fees on its entry tier.
Other comparisons
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