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Side-by-side financial comparison of Amplitude, Inc. (AMPL) and ULTRALIFE CORP (ULBI). Click either name above to swap in a different company.

Amplitude, Inc. is the larger business by last-quarter revenue ($91.4M vs $48.5M, roughly 1.9× ULTRALIFE CORP). ULTRALIFE CORP runs the higher net margin — -15.3% vs -19.3%, a 4.0% gap on every dollar of revenue. On growth, Amplitude, Inc. posted the faster year-over-year revenue change (17.0% vs 10.6%). Amplitude, Inc. produced more free cash flow last quarter ($12.7M vs $607.0K). Over the past eight quarters, Amplitude, Inc.'s revenue compounded faster (12.2% CAGR vs 7.5%).

Amplitude is an American publicly traded company that develops digital analytics software. The company was listed publicly on the Nasdaq stock exchange under the ticker symbol AMPL on September 28, 2021.

Ultralife Corporation designs and manufactures batteries and communications systems worldwide. Ultralife serves government and defense, medical, safety and security, energy, robotics and other customers across the globe through the design and development of a range of products. Founded in 1991 when launched as an Initial Public Offering (IPO) evolving from Kodak’s Ultra Technologies battery division, and headquartered in Newark, New York, the Company’s business segments include battery and en...

AMPL vs ULBI — Head-to-Head

Bigger by revenue
AMPL
AMPL
1.9× larger
AMPL
$91.4M
$48.5M
ULBI
Growing faster (revenue YoY)
AMPL
AMPL
+6.5% gap
AMPL
17.0%
10.6%
ULBI
Higher net margin
ULBI
ULBI
4.0% more per $
ULBI
-15.3%
-19.3%
AMPL
More free cash flow
AMPL
AMPL
$12.0M more FCF
AMPL
$12.7M
$607.0K
ULBI
Faster 2-yr revenue CAGR
AMPL
AMPL
Annualised
AMPL
12.2%
7.5%
ULBI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPL
AMPL
ULBI
ULBI
Revenue
$91.4M
$48.5M
Net Profit
$-17.7M
$-7.4M
Gross Margin
74.6%
24.9%
Operating Margin
-18.3%
-21.9%
Net Margin
-19.3%
-15.3%
Revenue YoY
17.0%
10.6%
Net Profit YoY
45.8%
-3925.8%
EPS (diluted)
$-0.13
$-35.00

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
AMPL
AMPL
ULBI
ULBI
Q4 25
$91.4M
$48.5M
Q3 25
$88.6M
$43.4M
Q2 25
$83.3M
$48.6M
Q1 25
$80.0M
$50.7M
Q4 24
$78.1M
$43.9M
Q3 24
$75.2M
$35.7M
Q2 24
$73.3M
$43.0M
Q1 24
$72.6M
$41.9M
Net Profit
AMPL
AMPL
ULBI
ULBI
Q4 25
$-17.7M
$-7.4M
Q3 25
$-24.0M
$-1.2M
Q2 25
$-24.7M
$879.0K
Q1 25
$-22.2M
$1.9M
Q4 24
$-32.6M
$194.0K
Q3 24
$-16.9M
$258.0K
Q2 24
$-23.4M
$3.0M
Q1 24
$-21.5M
$2.9M
Gross Margin
AMPL
AMPL
ULBI
ULBI
Q4 25
74.6%
24.9%
Q3 25
73.9%
22.2%
Q2 25
72.6%
23.9%
Q1 25
74.7%
25.1%
Q4 24
74.7%
24.2%
Q3 24
75.1%
24.3%
Q2 24
73.4%
26.9%
Q1 24
74.0%
27.4%
Operating Margin
AMPL
AMPL
ULBI
ULBI
Q4 25
-18.3%
-21.9%
Q3 25
-26.0%
-2.2%
Q2 25
-29.0%
4.6%
Q1 25
-26.8%
6.7%
Q4 24
-41.2%
3.4%
Q3 24
-21.4%
1.4%
Q2 24
-31.7%
9.1%
Q1 24
-29.0%
9.7%
Net Margin
AMPL
AMPL
ULBI
ULBI
Q4 25
-19.3%
-15.3%
Q3 25
-27.1%
-2.8%
Q2 25
-29.6%
1.8%
Q1 25
-27.8%
3.7%
Q4 24
-41.7%
0.4%
Q3 24
-22.4%
0.7%
Q2 24
-31.9%
6.9%
Q1 24
-29.5%
6.9%
EPS (diluted)
AMPL
AMPL
ULBI
ULBI
Q4 25
$-0.13
$-35.00
Q3 25
$-0.18
$-0.07
Q2 25
$-0.19
$0.05
Q1 25
$-0.17
$0.02
Q4 24
$-0.25
$37.72
Q3 24
$-0.14
$0.02
Q2 24
$-0.19
$0.18
Q1 24
$-0.18
$0.08

Balance Sheet & Financial Strength

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

Metric
AMPL
AMPL
ULBI
ULBI
Cash + ST InvestmentsLiquidity on hand
$192.0M
$9.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$245.3M
$130.0M
Total Assets
$420.7M
$216.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPL
AMPL
ULBI
ULBI
Q4 25
$192.0M
$9.3M
Q3 25
$189.2M
Q2 25
$208.1M
Q1 25
$209.0M
Q4 24
$241.1M
$6.9M
Q3 24
$319.9M
$6.8M
Q2 24
$318.3M
$6.7M
Q1 24
$316.1M
$10.1M
Total Debt
AMPL
AMPL
ULBI
ULBI
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$55.0M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AMPL
AMPL
ULBI
ULBI
Q4 25
$245.3M
$130.0M
Q3 25
$262.2M
$137.3M
Q2 25
$279.5M
$138.4M
Q1 25
$289.5M
$136.4M
Q4 24
$296.6M
$134.0M
Q3 24
$290.0M
$134.5M
Q2 24
$287.3M
$133.2M
Q1 24
$289.2M
$128.8M
Total Assets
AMPL
AMPL
ULBI
ULBI
Q4 25
$420.7M
$216.9M
Q3 25
$438.1M
$222.2M
Q2 25
$456.6M
$221.0M
Q1 25
$445.8M
$223.8M
Q4 24
$445.9M
$220.5M
Q3 24
$445.6M
$172.4M
Q2 24
$445.4M
$169.8M
Q1 24
$437.9M
$180.6M
Debt / Equity
AMPL
AMPL
ULBI
ULBI
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.41×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
AMPL
AMPL
ULBI
ULBI
Operating Cash FlowLast quarter
$12.8M
$1.5M
Free Cash FlowOCF − Capex
$12.7M
$607.0K
FCF MarginFCF / Revenue
13.8%
1.3%
Capex IntensityCapex / Revenue
0.2%
1.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$28.2M
$7.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPL
AMPL
ULBI
ULBI
Q4 25
$12.8M
$1.5M
Q3 25
$5.0M
$198.0K
Q2 25
$20.1M
$5.9M
Q1 25
$-8.0M
$3.4M
Q4 24
$3.2M
$3.0M
Q3 24
$6.2M
$4.7M
Q2 24
$9.2M
$8.9M
Q1 24
$-48.0K
$-81.0K
Free Cash Flow
AMPL
AMPL
ULBI
ULBI
Q4 25
$12.7M
$607.0K
Q3 25
$4.5M
$-797.0K
Q2 25
$19.5M
$4.8M
Q1 25
$-8.5M
$2.5M
Q4 24
$2.4M
$2.4M
Q3 24
$6.2M
$4.2M
Q2 24
$8.6M
$8.6M
Q1 24
$-405.0K
$-453.0K
FCF Margin
AMPL
AMPL
ULBI
ULBI
Q4 25
13.8%
1.3%
Q3 25
5.1%
-1.8%
Q2 25
23.4%
10.0%
Q1 25
-10.6%
4.9%
Q4 24
3.1%
5.6%
Q3 24
8.2%
11.6%
Q2 24
11.8%
19.9%
Q1 24
-0.6%
-1.1%
Capex Intensity
AMPL
AMPL
ULBI
ULBI
Q4 25
0.2%
1.8%
Q3 25
0.5%
2.3%
Q2 25
0.6%
2.3%
Q1 25
0.5%
1.8%
Q4 24
1.0%
1.4%
Q3 24
0.0%
1.7%
Q2 24
0.8%
0.8%
Q1 24
0.5%
0.9%
Cash Conversion
AMPL
AMPL
ULBI
ULBI
Q4 25
Q3 25
Q2 25
6.75×
Q1 25
1.81×
Q4 24
15.70×
Q3 24
18.40×
Q2 24
3.01×
Q1 24
-0.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPL
AMPL

US$55.8M61%
International$35.7M39%

ULBI
ULBI

Commercial$36.3M75%
Government Defense$9.6M20%
Communications Systems Segment$2.6M5%

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