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  <span style="font-size:12px;font-weight:500;color:#516271;">Independent comparison on Should I Use It</span>
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Online Check Writer versus Checkrun
Compare	Online Check Writer	Checkrun
Verdict	Depends	Depends
Best for	Businesses still paying vendors by check	QuickBooks Online users
Who it's not for	Fully digital teams with zero check volume	Teams not on QuickBooks Online
Privacy	No known public vulnerabilities found in the sources reviewed.¹¹	No known public vulnerabilities found in the sources reviewed.
Support quality	Review lists customer support as a con	No support evidence in sources
Public sentiment	Users praise fast check printing on blank stock from any printer, with occasional complaints about support.^⁴	Reviews on G2, Capterra, and Software Advice are positive but appear only as truncated snippets in available sources.
Biggest gotcha	Free platform, but per-transaction fees on ACH, wires, and cards . tally real monthly cost first^⁶	Guess: per-check and postage fees likely sit outside the two published plans, verify before signup

Pick Online Check Writer when

Businesses still paying vendors by check
Multi-account check printing on blank stock
Teams wanting checks plus ACH in one platform
QuickBooks users needing check sync

When Online Check Writer is not a fit

Fully digital teams with zero check volume
Buyers needing audited SOC 2 proof upfront
Anyone wanting full AP automation, not just checks
Teams whose vendors all accept cards or ACH

Pick Checkrun when

QuickBooks Online users
Businesses still paying by check
Law firms with check workflows
Owners wanting mobile approvals

When Checkrun is not a fit

Teams not on QuickBooks Online
All-digital payers (ACH/cards only)
Enterprises needing full AP automation suites

Sources

Online Check Writer Reviewscrozdesk.com
review
Online Check Writer Reviews - Capterracapterra.com
review
Online Check Writer Reviews - Software Advicesoftwareadvice.co.nz
review
Online Check Writer - Trustpilottrustpilot.com
review
Online Check Writer - Trustpilot (CA)ca.trustpilot.com
review
Online Check Writer homepageonlinecheckwriter.com
official
Pay & Get Paid Single Platformonlinecheckwriter.com
official
Software For Writing Checksonlinecheckwriter.com
official
Print And Mail Checks Onlineonlinecheckwriter.com
official
FDIC coverage termsonlinecheckwriter.com
official
Online Check Writer security pageonlinecheckwriter.com
security
Checkeepercheckeeper.com
official
Checkrun business check printingcheckrun.com
official
Checkrun: Check Printing for QuickBooks Online Userscheckrun.com
official
Pricing | Checkrun for QuickBooks Onlinecheckrun.com
official
Check Printing & Mailing Featurescheckrun.com
official