QuantSeller
Profit & Inventory Tools
Free
Calculate real profit, build prices, plan production, and manage local seller inventory in one private, offline-first workspace.
Know what each product really earns before you set a price, buy inventory, run
a promotion, or begin production.
QuantSeller is an offline-first profit, pricing, production, and inventory
workspace for Etsy makers, Amazon sellers, and e-commerce businesses. Records
stay on your device. No QuantSeller account, marketplace login, OAuth
connection, or seller API is required.
### 18 seller calculators
- Etsy profit, handmade pricing, Offsite Ads, shipping, discount, and labor tools
- Amazon FBA profit, ROI, monthly profit, arbitrage, referral fee, FBA versus
FBM, advertising break-even, and reorder tools
- General break-even, campaign, digital product, and product idea tools
### Materials, recipes, and production
- Create unlimited materials, product recipes, and bills of materials
- Include labor, waste, packaging, overhead, ads, returns, tax, and shipping
- Record production runs and stock movements
- Track manual orders through production, packing, ready, and completed stages
- Plan local Amazon inventory without connecting Seller Central
### Private and practical
- Workspace data remains on the device
- Core calculations and records work offline
- English, Turkish, German, Spanish, French, and Italian
- Light, dark, and system appearance modes
- All calculators and workspace tools are included
- The app is supported by banner advertising
QuantSeller provides planning estimates based on the values and rates you enter.
Marketplace fees, tax rules, advertising programs, and platform policies can
change. Verify important decisions using current marketplace documentation and
qualified accounting or tax advice.
QuantSeller is independent and is not affiliated with, endorsed by, or sponsored
by Etsy, Inc. or Amazon.com, Inc.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Added the new Decision Center for actionable profit, pricing, advertising, and inventory insights.
• All tools and production records are now available for free.
• Removed QuantSeller Pro and in-app purchases.
• Improved banner ad loading and reliability on iPhone and iPad.
• Added stability and performance improvements.
The developer, Aryares LLC, 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 Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Aryares LLC
- Size
- 22.6 MB
- Category
- Business
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Aryares LLC