Side by side
ADP Workforce Now vs Fosti
Both stand on tax compliance software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid WebiPhoneAndroid
ADP Workforce Now covers payroll alongside a range of HR and employee self-service functions. Organizations should review package boundaries and request pricing to assess fit.
Visit ADP Workforce Now Paid APIWeb
Fosti combines sales-tax workflows, client access, worksheets, and practice-management modules in a web and API platform. Firms should note the current assisted filing model and client limits that vary by plan.
Visit FostiThe facts
| ADP Workforce Now | Fosti | |
|---|---|---|
| Free plan | No | No |
| Open source | Not published | Not published |
| Runs on | Web, iPhone, Android | API, Web |
| Lowest paid plan | Free or on request | Starter: $399 a month |
| Plans published | 7 | 4 |
| Maker | ADP Workforce Now | Not published |
| Website | adp.com | getfosti.com |
| On tax compliance software | #84 of 105 | #88 of 105 |
ADP Workforce Now: what it does well
- All packages include payroll processing and tax services.
- Employees can view expected pay and request time off.
- Onboarding includes electronic signatures and digital I-9 processing.
- Reports can be shared across teams and departments.
- Includes web, iOS, and Android platforms.
What to know first
- Pricing is available on request.
- No free tier is stated.
- No free trial is stated.
- Benefits administration is limited to Plus and Premium.
Fosti: what it does well
- Five-step client workflows log sequential actions
- White-label portal included in every tier
- Eleven modules cover practice operations
- Unlimited states and no per-return fees
- API access and listed accounting integrations
What to know first
- Return filing is assisted, not direct
- Native returns engine planned for Q4 2026
- Starter supports up to five active clients
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