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CallsIQ vs ylishi.tools

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CallsIQ compared with ylishi.tools
DetailCallsIQ logo CallsIQylishi.tools logo ylishi.tools
What it doesFree Erlang C calculator for contact center staffing and service level planning Free Amazon FBA calculators and seller tools with verified 2026 fee rates
StageNot given Startup
FoundedNot given 2026
Based inES CN
Pricing modelFree Freemium
PricingNot given Free core tools with no signup. Pro plan: $29.99/month or $299/year (save 17%). One-time fee audit service: $299 for up to 50 SKUs, $4 per extra SKU.
Key features
  • Calculates minimum agents needed for service level targets
  • Erlang C probability and queuing formulas
  • Computes average speed to answer (ASA)
  • Shows agent occupancy and utilization
  • Generates comparison table of agents and metrics
  • CSV export for Excel analysis
  • Embedded iframe version for websites
  • FBA Profit Calculator with all hidden fees
  • PPC Analyzer for ACOS and ROAS calculation
  • Fee Simulator comparing fulfillment methods
  • Listing Grader with optimization tips
  • Review Analyzer for competitive insights
  • Inventory Optimizer with restock alerts
  • Cost Tracker for expense management
  • Real-time exchange rate conversion updated every 5 minutes
What makes it different
  • No registration required, runs in browser without sending data
  • Preset buttons for Spain's Law 10/2025 compliance targets
  • Based on ITU-T E.600 recommendation and ITU-D teletraffic engineering
  • Uses stable numerical recursion method for any agent count
  • Completely free with no advertising when embedded
  • 50+ free tools with no signup, login or credit card required
  • Fee rates verified monthly with open-source data published under CC BY 4.0
  • Built by an 8-year Amazon FBA seller addressing real seller pain points
  • Supports multiple marketplaces: Amazon US/EU/UK/JP/CA/AU, Temu, TikTok Shop, and Etsy
  • Transparent formulas using industry-standard calculations verifiable by users
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check23 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)416
Referring domains (Majestic)310

5 details filled in for both companies.

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