See what changed in your supplier's latest price list.
Compare previous and new supplier CSV price lists by SKU. Review increases, decreases, added products, and removed products, then download the complete comparison.
Price Change Kit
- Works in a phone or desktop browser; CSV files are processed on your own device.
- Open the purchased web app on iPhone and add it to your Home Screen from Safari.
- Choose CSV files or paste their contents; use readable cards on small screens.
- Choose SKU and price columns even when file headings differ.
- See absolute and percentage price changes.
- Export the complete comparison as CSV.
- Rejects duplicate and blank SKUs so ambiguous matches are not silently selected.
One-time purchase · version 1.1.1
Includes the phone web app and an offline desktop download. After purchase, open the app here. On iPhone, use Safari → Share → Add to Home Screen. After quick checkout, save the access key shown in the app to use another device. Payhip buyers receive a license key in their receipt.
Your supplier files are processed on your own device. Internet is needed to open the phone app.
Two price lists. Every change in view.
SKU,Cost MUG-01,4.50 TOTE-02,6 CAP-03,8.25 PIN-04,1.20
Item SKU,Unit Price MUG-01,5.25 TOTE-02,5.50 CAP-03,8.25 BAG-05,12
1 increase · 1 decrease · 1 added · 1 removed · 1 unchanged
| SKU | Status | Previous | New | Change | Change % |
|---|---|---|---|---|---|
| MUG-01 | Increase | 4.5 | 5.25 | 0.75 | 16.67% |
| TOTE-02 | Decrease | 6 | 5.5 | -0.5 | -8.33% |
| CAP-03 | Unchanged | 8.25 | 8.25 | 0 | 0.00% |
| PIN-04 | Removed | 1.2 | — | — | — |
| BAG-05 | Added | — | 12 | — | — |
This demonstration uses the sample data shown above. The purchased app compares your own CSV files.
Will it work with my files?
- Phone web app: internet and JavaScript required when opening. On iPhone, use Safari and confirm Add to Home Screen. iOS 17.2 or later preserves the unlocked session during installation.
- Desktop offline edition: extract the ZIP, keep its files together, and open index.html in your browser.
- UTF-8 comma-separated CSV; up to 50,000 rows and 10 MB per file. Export Excel sheets to CSV first.
- Unique, nonempty SKUs. Matching is case-sensitive with outer spaces trimmed; leading zeros are preserved.
- Nonnegative prices with a decimal point and up to four decimal places; no currency symbols or thousands separators.
- Both lists must use the same currency and price basis. No currency conversion or automatic store updates.
Review the report before changing your catalogue. This tool does not calculate profit margins or modify your store.