This tool helps calculate gross margin or cost markup for sales and purchasing. It allows users to input a target percentage and either a selling price or landed cost to determine the corresponding unknown value.
EZ Negotiator by John M Ganster Jr



250+ iOS apps curated and reviewed
Out of 250+ ez negotiator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (3) | No | No | May 2026 | ||
| 2 | Free | 3.6★ (89) | No | No | May 2026 | ||
| 3 | Free | 4.6★ (78K) | No | No | Oct 2026 | ||
| 4 | Free | 3.9★ (18) | Yes | No | Aug 2026 | ||
| 5 | Free | 4.8★ (22K) | Yes | No | Oct 2026 | ||
| 6 | Free | 3.6★ (49) | No | No | Jul 2026 | ||
| 7 | Free | 5.0★ (1) | No | No | Oct 2026 | ||
| 8 | Free | 4.8★ (38) | No | No | Oct 2026 |



This tool helps calculate gross margin or cost markup for sales and purchasing. It allows users to input a target percentage and either a selling price or landed cost to determine the corresponding unknown value.






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