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OnPay alternatives: 4 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave OnPay: no international payroll, and basic HR and reporting for larger companies. We ranked 4 alternatives by how directly each one replaces OnPay, then by reviews, real visits and how recently each app's facts were checked against its own website. Gusto currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Gusto logoGustoPaidNoWeb, iOS, Android3 of 366.5
2Paychex Flex logoPaychex FlexPaidNoWeb, iOS, Android3 of 362.6
3Justworks logoJustworksPaidNoWeb, iOS, Android5 of 559.6
4Homebase logoHomebaseFree plan + paidNoWeb, iOS, Android5 of 557.2
  1. Gusto logo

    1. GustoTop pick

    Best for: Small US businesses that want easy payroll, benefits and basic HR in one place

    PaidWeb, iOS, Android

    66.5

    score / 100

    Why switch from OnPay

    Better-known payroll and benefits with more HR features.

    Pros

    • Easy payroll with automatic tax filings in all states
    • Benefits, 401(k) and workers' comp in the same account
    • Accountant-friendly with QuickBooks and Xero integrations

    Cons

    • Employees must be in the US
    • HR and reporting depth is limited for larger companies
    • Per-person fees add up as you grow
    Visit Gusto Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Gusto a good OnPay alternative?

    Verified facts

    3 of 3 verified
    Embedded payroll API
    Yes
    Checked Oct 25, 2026docs.gusto.com(opens source in a new tab)
    Accounting integrations
    Xero and QuickBooks Online
    Checked Oct 25, 2026docs.gusto.com(opens source in a new tab)
    Contractor-only companies
    Supported
    Checked Oct 25, 2026docs.gusto.com(opens source in a new tab)
  2. Paychex Flex logo

    2. Paychex Flex

    Best for: Small and mid-sized US businesses that want payroll with a dedicated specialist

    PaidWeb, iOS, Android

    62.6

    score / 100

    Why switch from OnPay

    Larger provider with dedicated specialists.

    Pros

    • Dedicated payroll specialists and HR services
    • Wide range of add-ons from benefits to PEO
    • Large, established provider

    Cons

    • No published prices
    • Add-on fees increase the total
    • Interface less modern than newer platforms
    Visit Paychex Flex Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Paychex Flex a good OnPay alternative?

    Verified facts

    3 of 3 verified
    Clients
    About 840,000+
    Checked Oct 25, 2026paychex.com(opens source in a new tab)
    Automatic pay calculation
    Yes
    Checked Oct 25, 2026paychex.com(opens source in a new tab)
    Promotion
    3 months free (time-limited)
    Checked Oct 25, 2026paychex.com(opens source in a new tab)
  3. Justworks logo

    3. Justworks

    Best for: US small businesses that want PEO benefits and compliance help with clear pricing

    PaidWeb, iOS, Android

    59.6

    score / 100

    Why switch from OnPay

    PEO option with pooled benefits.

    Pros

    • Published per-employee pricing
    • Access to large-group benefits through the PEO
    • Payroll-only option without co-employment

    Cons

    • PEO costs more per employee than payroll alone
    • Co-employment means less control over benefits
    • Mainly for US-based teams
    Visit Justworks Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Justworks a good OnPay alternative?

    Verified facts

    5 of 5 verified
    Payroll plan
    $8/employee/month + $50 base fee
    Checked Oct 25, 2026justworks.com(opens source in a new tab)
    PEO Basic
    $79/employee/month, no base fee
    Checked Oct 25, 2026justworks.com(opens source in a new tab)
    PEO Plus
    $124/employee/month
    Checked Oct 25, 2026justworks.com(opens source in a new tab)
    Global EOR
    $599/employee/month
    Checked Oct 25, 2026justworks.com(opens source in a new tab)
    Payroll processed
    $31B in 2025
    Checked Oct 25, 2026justworks.com(opens source in a new tab)
  4. Homebase logo

    4. Homebase

    Best for: Small businesses with hourly staff that need scheduling and a time clock

    Free plan + paidWeb, iOS, Android

    57.2

    score / 100

    Why switch from OnPay

    Free scheduling and time clock with add-on payroll.

    Pros

    • Free plan for one location and up to 10 staff
    • Scheduling, time clock and messaging in one app
    • Payroll runs straight from timesheets

    Cons

    • Per-location pricing adds up for multi-site businesses
    • Basic HR features
    • Mainly for the US and Canada
    Visit Homebase Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Homebase a good OnPay alternative?

    Verified facts

    5 of 5 verified
    Free plan
    1 location, up to 10 employees
    Checked Oct 25, 2026joinhomebase.com(opens source in a new tab)
    Essentials plan
    $30/location/month
    Checked Oct 25, 2026joinhomebase.com(opens source in a new tab)
    All-in-One plan
    $120/location/month
    Checked Oct 25, 2026joinhomebase.com(opens source in a new tab)
    Free trial
    14 days (All-in-One)
    Checked Oct 25, 2026joinhomebase.com(opens source in a new tab)
    Workers supported
    3.5 million in 2025
    Checked Oct 25, 2026joinhomebase.com(opens source in a new tab)

The best OnPay alternative for…

The highest-ranked app in this list for each need.

Gusto logo

Best OnPay alternative for most people

Gusto

Better-known payroll and benefits with more HR features.

Homebase logo

Best OnPay alternative for a free plan you can upgrade

Homebase

Free scheduling and time clock with add-on payroll.

Paychex Flex logo

Best OnPay alternative for iPhone and Android

Paychex Flex

Larger provider with dedicated specialists.

Justworks logo

Best OnPay alternative for working in the browser

Justworks

PEO option with pooled benefits.

OnPay alternatives: common questions

What is the best alternative to OnPay?

Gusto ranks first right now. Better-known payroll and benefits with more HR features. Paychex Flex and Justworks follow it in our ranking.

Is there a free alternative to OnPay?

Yes. Homebase (free plan + paid) has a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to OnPay?

None of the 4 alternatives in this list is open source.

Why do people switch from OnPay?

The complaints we hear most: no international payroll; basic HR and reporting for larger companies; smaller ecosystem than Gusto.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces OnPay, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.