Tax1099 vs SyncStream Clear ACA (now Flex ACA)

Tax10997.9Visit SCSyncStream Clear ACA (now Flex ACA)7.9Visit

Tax1099 #1 in ACA Compliance Software 7.9/10 Free plan Free plan✓ 0 of 4 features Visit Tax1099

vs

SC SyncStream Clear ACA (now Flex ACA) #3 in ACA Compliance Software 7.9/10 Pricing on request ✓ 4 of 4 features Contact Selerix

• Tax1099 fits best

  Teams primarily filing 1099s on a budget

• SyncStream Clear ACA (now Flex ACA) fits best

  Employers managing ACA work with in-house teams

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Side by side

Feature	Tax1099 7.9/10 Visit ↗	SCSyncStream Clear ACA (now Flex ACA) 7.9/10 Visit ↗
At a glance
Editor score	7.9	7.9
Ranking	#1 in ACA Compliance Software	#3 in ACA Compliance Software
Best for	Teams primarily filing 1099s on a budget	Employers managing ACA work with in-house teams
Pricing model	Free plan + paid	Paid
Starting price	$249/yr	Pricing on request
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email, Live chat, Phone, Docs · 24/7	Tickets, Docs
Compliance	SOC 2, 2FA	SOC 2
Integrations	13 integrations	3 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Tax1099 0/4 · SyncStream Clear ACA (now Flex ACA) 4/4
1095-C e-filing	Not checked yet	✓ (best)
1094-C e-filing	Not checked yet	✓ (best)
Payroll integrations	Not checked yet	✓ (best)
Eligibility tracking	Not checked yet	✓ (best)
Specs
Employee form delivery	Not checked yet	Both
Employee capacity	Not checked yet	Not checked yet
Our review
Pros	Essential has no annual subscription fee and charges per form. Supports federal, state, and SSA e-filing, corrections, and recipient delivery. Offers CSV and Excel uploads, accounting integrations, and API access.	Tracks ACA eligibility, including for variable-hour employees Supports IRS e-filing and employee form distribution Includes audit, error-check, and compliance risk workflows
Cons	Its verified form focus is 1099 and 1042-S, not ACA filing. Essential's free account tier still charges per filed form. API and workflow-management features require the Scale plan.	Requires contact with Selerix for pricing Self-service means teams manage ACA work themselves Available as a web-based cloud product
Our verdict	Tax1099 is a cloud-based tax information-return filing service from Zenwork, designed for businesses and accounting professionals preparing, filing, correcting, and distributing forms. Its verified filing focus is 1099 and 1042-S returns,… Read the review →	SyncStream Clear ACA is now called Flex ACA under Selerix. It is a standalone, guided self-service option for employers and in-house teams managing ACA compliance. The software covers employee eligibility tracking, including variable-hour… Read the review →

Strengths and trade-offs

• Tax1099 — where it wins

  • Essential has no annual subscription fee and charges per form.
  • Supports federal, state, and SSA e-filing, corrections, and recipient delivery.
  • Offers CSV and Excel uploads, accounting integrations, and API access.

  Where it doesn't

  • Its verified form focus is 1099 and 1042-S, not ACA filing.
  • Essential's free account tier still charges per filed form.
  • API and workflow-management features require the Scale plan.

• SyncStream Clear ACA (now Flex ACA) — where it wins

  • Tracks ACA eligibility, including for variable-hour employees
  • Supports IRS e-filing and employee form distribution
  • Includes audit, error-check, and compliance risk workflows

  Where it doesn't

  • Requires contact with Selerix for pricing
  • Self-service means teams manage ACA work themselves
  • Available as a web-based cloud product

• Tax10997.9/10 · Free plan

  A flexible 1099 and 1042-S filing service, but a weak match for ACA-focused teams.

  Visit Tax1099Full verdict →
• SCSyncStream Clear ACA (now Flex ACA)7.9/10 · Pricing on request

  Flex ACA helps in-house teams track eligibility, prepare forms, and manage ACA filing workflows.

  Contact SelerixFull verdict →