Aryares
QuantSeller mobile app icon
Aryares LLCQuantSeller: Profit Tools

Offline seller workspace

Profit, pricing and production tools in your pocket

Calculate Etsy and Amazon profit, manage materials and recipes, plan production, and track inventory locally without connecting a marketplace account.

  • 18 offline calculators
  • No account required
  • Works offline
  • One-time Pro upgrade
Get QuantSeller on Google PlayExplore QuantSeller Web
QuantSeller mobile home screen with seller calculators, stock value and production tools
Private local workspaceEtsy and Amazon toolsMaterials and BOM recipesInventory and reorder planning

Seller toolkit

18 seller calculators. One offline workspace.

From Etsy fees and handmade pricing to Amazon FBA profit, ROI, PPC break-even and inventory cash planning, QuantSeller helps sellers evaluate decisions before spending money.

Etsy & Handmade

6 tools
  • Etsy True Profit
  • Handmade Pricing
  • Offsite Ads Scenario
  • Shipping Profit
  • Discount Floor
  • Labor & Capacity

Amazon

8 tools
  • FBA Profit
  • FBA ROI
  • Monthly Profit
  • Online Arbitrage Deal Check
  • Referral Fee
  • FBA vs FBM
  • PPC Break-even
  • Reorder & Cash

General Commerce

4 tools
  • E-commerce Break-even
  • Campaign Planner
  • Digital Product Earnings
  • Product Idea Score

Production workspace

Go beyond calculators

Create materials, build product recipes, calculate complete unit costs, record production runs, and keep finished-product inventory up to date.

  1. Materials
  2. Product Recipe
  3. Production Run
  4. Finished Stock
  • Raw material inventory
  • Product recipes and BOMs
  • Labor and waste costing
  • Automatic material deductions
  • Finished-product stock
  • Manual stock history
  • Low-stock warnings
  • Order workflow and readiness checklists
QuantSeller mobile production, inventory and seller tools feature graphic
QuantSeller local workspace dashboard on Android

Amazon planning

Plan Amazon inventory without connecting Seller Central

Save products locally and estimate profit, stock cover, reorder points, recommended order quantities, and required inventory cash.

Local planning only

QuantSeller does not request Amazon login, OAuth access or Seller API credentials. It does not automatically synchronize Seller Central data.

  • SKU and ASIN records
  • FBA and FBM planning
  • Cost, price and fee tracking
  • Stock cover and reorder cash

Private by design

Your workspace stays on your device

QuantSeller does not require a QuantSeller account, marketplace login, OAuth connection, or seller API. Your calculation, production, order, and inventory workspace is stored locally on your device.

No accountNo marketplace credentialsNo cloud workspace requiredOffline core functionality

Free and Pro

Start with every calculator

The free version includes all 18 calculators and a local workspace. QuantSeller Pro is a one-time $12.99 purchase in the United States that removes ads and production record limits.

FeatureFreePro
Seller calculatorsAll 18All 18
Local workspaceIncludedIncluded
Limited production areasUp to 10 recordsUnlimited
Banner adsDisplayedRemoved
PaymentFreeOne-time purchase
SubscriptionNoneNone
Unlock QuantSeller Pro in the appOne-time purchase. Regional pricing may vary.

Languages and appearance

Built for sellers around the world

Choose the language and appearance that fits your local workflow.

Languages
  • English
  • Turkish
  • German
  • Spanish
  • French
  • Italian

Light, Dark and System appearance

FAQ

Questions before you install

Does QuantSeller require an account?

No. The mobile app can be used without creating a QuantSeller account.

Do I need to connect my Etsy or Amazon account?

No. The mobile application does not require marketplace login, OAuth or seller API access.

Does the app work offline?

The core calculators, production records and local inventory workspace work without connecting to the QuantSeller backend.

Where is my workspace data stored?

Workspace records are stored locally on the device.

Are all calculators available for free?

Yes. All 18 calculators are available in the free version.

What does QuantSeller Pro unlock?

Pro removes ads and production record limits with a one-time in-app purchase.

Is QuantSeller affiliated with Etsy or Amazon?

No. QuantSeller is an independent seller tool and is not affiliated with, endorsed by or sponsored by Etsy, Inc. or Amazon.com, Inc.

Ready when you are

Know the numbers before you price, produce or reorder

Free to download. Optional one-time Pro upgrade. No subscription.

Get QuantSeller on Google PlayUse QuantSeller on the web
QuantSeller Mobile by Aryares LLC