vs

Side-by-side financial comparison of BIO KEY INTERNATIONAL INC (BKYI) and KOSS CORP (KOSS). Click either name above to swap in a different company.

KOSS CORP is the larger business by last-quarter revenue ($2.9M vs $1.5M, roughly 1.8× BIO KEY INTERNATIONAL INC). KOSS CORP runs the higher net margin — -19.8% vs -62.3%, a 42.5% gap on every dollar of revenue. On growth, KOSS CORP posted the faster year-over-year revenue change (-19.6% vs -27.7%). KOSS CORP produced more free cash flow last quarter ($-1.1M vs $-1.1M). Over the past eight quarters, KOSS CORP's revenue compounded faster (4.2% CAGR vs -7.9%).

Bio Key International Inc develops and supplies biometric identity verification and access management solutions, including fingerprint, palm and facial recognition technologies. Its products serve enterprise, government, healthcare, education and retail sectors across North America, Europe and Asia, helping clients enhance security and streamline identity validation workflows.

Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.

BKYI vs KOSS — Head-to-Head

Bigger by revenue
KOSS
KOSS
1.8× larger
KOSS
$2.9M
$1.5M
BKYI
Growing faster (revenue YoY)
KOSS
KOSS
+8.2% gap
KOSS
-19.6%
-27.7%
BKYI
Higher net margin
KOSS
KOSS
42.5% more per $
KOSS
-19.8%
-62.3%
BKYI
More free cash flow
KOSS
KOSS
$51.6K more FCF
KOSS
$-1.1M
$-1.1M
BKYI
Faster 2-yr revenue CAGR
KOSS
KOSS
Annualised
KOSS
4.2%
-7.9%
BKYI

Income Statement — Q3 FY2025 vs Q2 FY2026

Metric
BKYI
BKYI
KOSS
KOSS
Revenue
$1.5M
$2.9M
Net Profit
$-964.8K
$-565.4K
Gross Margin
76.9%
29.0%
Operating Margin
-57.6%
-35.5%
Net Margin
-62.3%
-19.8%
Revenue YoY
-27.7%
-19.6%
Net Profit YoY
-30.6%
-700.6%
EPS (diluted)
$-0.06

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
BKYI
BKYI
KOSS
KOSS
Q4 25
$2.9M
Q3 25
$1.5M
$4.1M
Q2 25
$1.7M
$3.1M
Q1 25
$1.6M
$2.8M
Q4 24
$1.5M
$3.6M
Q3 24
$2.1M
$3.2M
Q2 24
$1.1M
$2.9M
Q1 24
$2.2M
$2.6M
Net Profit
BKYI
BKYI
KOSS
KOSS
Q4 25
$-565.4K
Q3 25
$-964.8K
$243.7K
Q2 25
$-1.2M
$-232.7K
Q1 25
$-736.5K
$-316.7K
Q4 24
$-1.4M
$94.1K
Q3 24
$-739.0K
$-419.5K
Q2 24
$-1.7M
$-110.4K
Q1 24
$-510.3K
$-313.8K
Gross Margin
BKYI
BKYI
KOSS
KOSS
Q4 25
29.0%
Q3 25
76.9%
40.0%
Q2 25
72.6%
36.0%
Q1 25
82.6%
39.0%
Q4 24
82.1%
39.5%
Q3 24
78.3%
36.6%
Q2 24
77.0%
40.4%
Q1 24
86.3%
31.9%
Operating Margin
BKYI
BKYI
KOSS
KOSS
Q4 25
-35.5%
Q3 25
-57.6%
-1.1%
Q2 25
-63.9%
-14.2%
Q1 25
-39.9%
-18.7%
Q4 24
-86.7%
-4.0%
Q3 24
-27.1%
-19.9%
Q2 24
-144.9%
-11.0%
Q1 24
-23.3%
-23.1%
Net Margin
BKYI
BKYI
KOSS
KOSS
Q4 25
-19.8%
Q3 25
-62.3%
6.0%
Q2 25
-68.8%
-7.5%
Q1 25
-45.8%
-11.4%
Q4 24
-94.7%
2.6%
Q3 24
-34.5%
-13.1%
Q2 24
-146.1%
-3.8%
Q1 24
-23.4%
-11.9%
EPS (diluted)
BKYI
BKYI
KOSS
KOSS
Q4 25
$-0.06
Q3 25
$0.03
Q2 25
$-0.02
Q1 25
$-0.03
Q4 24
$0.01
Q3 24
$-0.05
Q2 24
$-0.01
Q1 24
$-0.03

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
BKYI
BKYI
KOSS
KOSS
Cash + ST InvestmentsLiquidity on hand
$2.0M
$15.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$6.0M
$30.3M
Total Assets
$10.1M
$36.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BKYI
BKYI
KOSS
KOSS
Q4 25
$15.5M
Q3 25
$2.0M
$16.5M
Q2 25
$2.3M
$15.7M
Q1 25
$3.1M
$13.0M
Q4 24
$437.6K
$9.7M
Q3 24
$1.8M
$11.9M
Q2 24
$1.3M
$14.9M
Q1 24
$690.4K
$9.9M
Stockholders' Equity
BKYI
BKYI
KOSS
KOSS
Q4 25
$30.3M
Q3 25
$6.0M
$30.9M
Q2 25
$6.9M
$30.6M
Q1 25
$7.5M
$30.7M
Q4 24
$3.8M
$31.0M
Q3 24
$133.0K
$30.8M
Q2 24
$-1.1M
$31.1M
Q1 24
$535.7K
$31.1M
Total Assets
BKYI
BKYI
KOSS
KOSS
Q4 25
$36.8M
Q3 25
$10.1M
$37.7M
Q2 25
$10.5M
$37.2M
Q1 25
$11.2M
$37.3M
Q4 24
$8.6M
$37.4M
Q3 24
$6.4M
$38.1M
Q2 24
$4.8M
$37.2M
Q1 24
$4.2M
$37.6M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
BKYI
BKYI
KOSS
KOSS
Operating Cash FlowLast quarter
$-1.1M
$-760.8K
Free Cash FlowOCF − Capex
$-1.1M
$-1.1M
FCF MarginFCF / Revenue
-72.5%
-37.5%
Capex IntensityCapex / Revenue
0.1%
10.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-3.4M
$-546.7K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BKYI
BKYI
KOSS
KOSS
Q4 25
$-760.8K
Q3 25
$-1.1M
$762.6K
Q2 25
$-880.0K
$-534.9K
Q1 25
$-835.3K
$370.4K
Q4 24
$-514.6K
$-252.0K
Q3 24
$-1.3M
$201.6K
Q2 24
$-1.4M
$-174.0K
Q1 24
$297.1K
$328.6K
Free Cash Flow
BKYI
BKYI
KOSS
KOSS
Q4 25
$-1.1M
Q3 25
$-1.1M
$761.5K
Q2 25
$-881.5K
$-541.8K
Q1 25
$-839.9K
$306.2K
Q4 24
$-524.6K
$-314.3K
Q3 24
$-1.3M
$-155.6K
Q2 24
$-174.8K
Q1 24
$295.2K
$269.3K
FCF Margin
BKYI
BKYI
KOSS
KOSS
Q4 25
-37.5%
Q3 25
-72.5%
18.7%
Q2 25
-51.9%
-17.6%
Q1 25
-52.3%
11.0%
Q4 24
-35.9%
-8.8%
Q3 24
-60.5%
-4.9%
Q2 24
-6.0%
Q1 24
13.5%
10.2%
Capex Intensity
BKYI
BKYI
KOSS
KOSS
Q4 25
10.9%
Q3 25
0.1%
0.0%
Q2 25
0.1%
0.2%
Q1 25
0.3%
2.3%
Q4 24
0.7%
1.8%
Q3 24
1.0%
11.2%
Q2 24
0.0%
0.0%
Q1 24
0.1%
2.3%
Cash Conversion
BKYI
BKYI
KOSS
KOSS
Q4 25
Q3 25
3.13×
Q2 25
Q1 25
Q4 24
-2.68×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Related Comparisons