Final comparison evidence
Changed values
acct-1002 changes in two fields: Amount USD moves from 240 to 260, and Status moves from Open to In Review.
Change Checkby Plain Method
Compare two spreadsheet files
by identifier.
See what changed, what is missing, and what is new before your next handoff. Review the row evidence and keep the decision yours.
US$19 · one-time purchase · 3 devices
Mac desktopVersion 0.1.2
Final Change Check 0.1.2 product evidence · Synthetic sample files
CSV + XLSXMatch by identifierChanged · Missing · NewSeparate review reports
Final product proof
Review the evidence, one record at a time.
These screenshots are bound to the final Change Check 0.1.2 release. The example files use synthetic data.
Final comparison evidence
Missing record
acct-1003 is present in Source and missing from the newer file.
Final comparison evidence
New record
acct-1005 is present in the newer file and was not in Source.
From files to a review
A clear path through the comparison.
How it works
Choose. Compare. Review.
Choose two files
Choose a Before file and an After file. Your originals stay unchanged.
Select an identifier
Pick the value that identifies the same record in both files.
Review the evidence
Check changed values, missing records and new records, then export a separate report.
The current release supports up to 10,000 data rows per selected sheet. Change Check provides review evidence; it does not approve an import.
Small tool. Clear price.
One useful tool.
One simple plan.
A focused way to review spreadsheet changes before a handoff.
Change Check
Mac desktopUS$19one-time · 3 devices
A one-time V1 license for use on up to three devices. See the Terms of Service for details.
Mac · Apple silicon · Requires macOS 11 or later.
This release is not Developer ID signed or Apple-notarized. Follow the installation guide for the first open.
View Mac installation guide →See the Terms of Service for the V1 license, updates and refund rules.
Questions? support@getplainmethod.com
Product details
A second look for spreadsheet work.
A few useful answers
Before you get started.
What does Change Check do?
Compare two CSV or XLSX files by an identifier. Review changed, missing and new records before a handoff.
Which files can I compare?
Change Check supports CSV and XLSX files, including a CSV file compared with an XLSX workbook.
How are records matched?
Choose one identifier column or combine columns. Change Check shows duplicate or blank identifiers for review instead of silently pairing them.
Does it change my source files?
No. Your source files stay unchanged. Any exported review report is saved separately.
Which Mac does this release support?
Change Check 0.1.2 is for Apple silicon Macs running macOS 11 or later.
One clear next step
Ready to check your next spreadsheet?
Compare two files by identifier and review what changed, what is missing, and what is new.