Profit Source
Margin & Markup Calculator
Free · Designed for iPad. Not verified for macOS.
Price smarter: margin vs markup, fees, shipping and break-even in one live calculator.
Never confuse margin and markup again. Profit Source is a fast, focused pricing calculator for retailers, resellers, convenience stores, makers and anyone who buys at cost and sells at retail.
SOLVE FOR WHAT YOU NEED
• Know your cost and target margin? Get the retail price.
• Know your retail and target margin? Get the most you can pay.
• Know cost and retail? See the real margin and markup instantly.
Results update live as you type. No Calculate button.
REAL-WORLD PRICING
• Case cost and units per case, with unit pricing
• Fees and commission (marketplaces, card processing) for true net profit
• Shipping and landed cost per case
• Sales tax and cost discounts
• Break-even units and percentage
• Keystone (100% markup) in one tap
• Charm rounding: exact, .99, .95, nickel or whole dollar, always rounded to protect your margin
KEEP A RECORD
• A paper-tape history of every calculation; tap one to reload it
• Export your tape to CSV
• Import a CSV of costs and price an entire list at once
• Share a clean result card with your team
Works on iPhone and iPad. Supports multiple currencies.
Ratings & Reviews
Profit Source 2.0 is a complete rebuild.
• Solve for retail, cost or margin with live results
• Margin and markup side by side, plus a Keystone preset
• Fees/commission, shipping and landed cost, tax and cost discounts
• Break-even units, price rounding (.99, .95, whole)
• Paper-tape history, CSV export and import into a full price list
• Shareable result cards
• iPad support and a fresh new look
The developer, Chain Interlynx, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Chain Interlynx, LLC.
- Size
- 11.4 MB
- Category
- Business
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Chain Interlynx, LLC.