Cycle counting is the practice of physically counting a subset of inventory locations on a rotating schedule, rather than counting the entire facility at once during a periodic physical inventory. The goal is to maintain a continuously accurate inventory record by catching and correcting discrepancies before they compound.
How Cycle Counting Programs Work
A cycle count program divides the facility's inventory locations into groups — typically organized by velocity, value, or zone — and assigns each group a count frequency. High-velocity, high-value locations might be counted weekly. Slower-moving, lower-value zones might be counted monthly or quarterly. The program is "cycling" through the full inventory on a defined schedule.
The most common approach is ABC analysis: A-items (high velocity/value) counted most frequently, B-items on a moderate schedule, C-items counted least often. A well-designed ABC cycle count program ensures that 100% of inventory locations are counted at least annually, with critical locations counted multiple times.
The Problem With Manual Cycle Counting Programs
Manual cycle counting works — in the sense that it's better than no counting. But it has four structural limitations that limit how much accuracy improvement it can actually deliver.
Labor intensity — A meaningful cycle count program requires dedicated headcount. At a mid-size DC, maintaining adequate count frequency with manual labor costs $100,000–$200,000 per year in fully loaded labor cost alone. See our detailed analysis of the true cost of manual cycle counting.
Frequency ceiling — Manual programs can realistically count each location 4–12 times per year for most facilities. The Corvus One drone counts every location daily. That's a 20–90× improvement in count frequency, which directly translates to faster discrepancy detection and a more accurate WMS record on any given day.
Consistency — Human counters vary. Different associates read labels differently, handle exceptions differently, and log data with different accuracy. The drone reads every label the same way, every time, with the same accuracy in shift one as in shift four.
High-bay access — Elevated counting requires forklifts or scissor lifts, which adds cost and limits how frequently high-bay positions actually get counted. The drone reaches 40+ foot rack positions at the same cost as ground-level positions.
Autonomous Cycle Counting: How Drones Change the Model
The Corvus One drone flies a programmed route through your aisles daily, scanning every barcode and uploading all data to the AIMS platform, which syncs discrepancies to your WMS. Your inventory record is updated continuously rather than periodically.
This shifts cycle counting from a periodic sampling program to a continuous monitoring system. The question changes from "when was this location last counted?" to "what is the current status of every location as of this morning?" — and the answer is always: current, accurate, and already in your WMS.
Use our free ROI calculator to model the impact on your facility, or contact Actel Robotics for a deployment assessment.