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Side-by-side financial comparison of Amplitude, Inc. (AMPL) and System1, Inc. (SST). Click either name above to swap in a different company.

Amplitude, Inc. is the larger business by last-quarter revenue ($91.4M vs $51.9M, roughly 1.8× System1, Inc.). Amplitude, Inc. runs the higher net margin — -19.3% vs -26.0%, a 6.6% gap on every dollar of revenue. On growth, Amplitude, Inc. posted the faster year-over-year revenue change (17.0% vs -31.3%). Over the past eight quarters, Amplitude, Inc.'s revenue compounded faster (12.2% CAGR vs -21.8%).

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.

System1 is an American Internet advertising company. Formerly known as OpenMail, it was founded in 2013. It describes itself as operating a "Responsive Acquisition Marketing Platform", and cites privacy as one of its principal foci, although it has been criticized for its influence on privacy-focused properties, including search engine Startpage.com. It is headquartered in Marina del Rey, California.

AMPL vs SST — Head-to-Head

Bigger by revenue
AMPL
AMPL
1.8× larger
AMPL
$91.4M
$51.9M
SST
Growing faster (revenue YoY)
AMPL
AMPL
+48.3% gap
AMPL
17.0%
-31.3%
SST
Higher net margin
AMPL
AMPL
6.6% more per $
AMPL
-19.3%
-26.0%
SST
Faster 2-yr revenue CAGR
AMPL
AMPL
Annualised
AMPL
12.2%
-21.8%
SST

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPL
AMPL
SST
SST
Revenue
$91.4M
$51.9M
Net Profit
$-17.7M
$-13.5M
Gross Margin
74.6%
41.0%
Operating Margin
-18.3%
-33.6%
Net Margin
-19.3%
-26.0%
Revenue YoY
17.0%
-31.3%
Net Profit YoY
45.8%
4.8%
EPS (diluted)
$-0.13
$-3.58

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
SST
SST
Q4 25
$91.4M
$51.9M
Q3 25
$88.6M
$61.6M
Q2 25
$83.3M
$78.1M
Q1 25
$80.0M
$74.5M
Q4 24
$78.1M
$75.6M
Q3 24
$75.2M
$88.8M
Q2 24
$73.3M
$94.6M
Q1 24
$72.6M
$84.9M
Net Profit
AMPL
AMPL
SST
SST
Q4 25
$-17.7M
$-13.5M
Q3 25
$-24.0M
$-18.5M
Q2 25
$-24.7M
$-17.5M
Q1 25
$-22.2M
$-15.9M
Q4 24
$-32.6M
$-14.2M
Q3 24
$-16.9M
$-23.6M
Q2 24
$-23.4M
$-26.4M
Q1 24
$-21.5M
$-10.5M
Gross Margin
AMPL
AMPL
SST
SST
Q4 25
74.6%
41.0%
Q3 25
73.9%
36.9%
Q2 25
72.6%
35.7%
Q1 25
74.7%
38.2%
Q4 24
74.7%
42.1%
Q3 24
75.1%
28.0%
Q2 24
73.4%
27.6%
Q1 24
74.0%
21.9%
Operating Margin
AMPL
AMPL
SST
SST
Q4 25
-18.3%
-33.6%
Q3 25
-26.0%
-25.3%
Q2 25
-29.0%
-20.4%
Q1 25
-26.8%
-17.6%
Q4 24
-41.2%
-15.7%
Q3 24
-21.4%
-24.6%
Q2 24
-31.7%
-30.8%
Q1 24
-29.0%
-30.4%
Net Margin
AMPL
AMPL
SST
SST
Q4 25
-19.3%
-26.0%
Q3 25
-27.1%
-30.1%
Q2 25
-29.6%
-22.4%
Q1 25
-27.8%
-21.3%
Q4 24
-41.7%
-18.7%
Q3 24
-22.4%
-26.6%
Q2 24
-31.9%
-27.9%
Q1 24
-29.5%
-12.4%
EPS (diluted)
AMPL
AMPL
SST
SST
Q4 25
$-0.13
$-3.58
Q3 25
$-0.18
$-2.30
Q2 25
$-0.19
$-2.23
Q1 25
$-0.17
$-0.21
Q4 24
$-0.25
$-3.41
Q3 24
$-0.14
$-3.37
Q2 24
$-0.19
$-3.80
Q1 24
$-0.18
$-0.16

Balance Sheet & Financial Strength

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

Metric
AMPL
AMPL
SST
SST
Cash + ST InvestmentsLiquidity on hand
$192.0M
$86.9M
Total DebtLower is stronger
$305.1M
Stockholders' EquityBook value
$245.3M
$30.5M
Total Assets
$420.7M
$405.0M
Debt / EquityLower = less leverage
10.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPL
AMPL
SST
SST
Q4 25
$192.0M
$86.9M
Q3 25
$189.2M
$54.6M
Q2 25
$208.1M
$63.6M
Q1 25
$209.0M
$43.9M
Q4 24
$241.1M
$63.6M
Q3 24
$319.9M
$69.1M
Q2 24
$318.3M
$75.7M
Q1 24
$316.1M
$69.9M
Total Debt
AMPL
AMPL
SST
SST
Q4 25
$305.1M
Q3 25
$259.2M
Q2 25
$263.3M
Q1 25
$267.4M
Q4 24
$255.1M
Q3 24
$259.2M
Q2 24
$263.3M
Q1 24
$268.6M
Stockholders' Equity
AMPL
AMPL
SST
SST
Q4 25
$245.3M
$30.5M
Q3 25
$262.2M
$42.7M
Q2 25
$279.5M
$58.2M
Q1 25
$289.5M
$67.2M
Q4 24
$296.6M
$80.3M
Q3 24
$290.0M
$90.3M
Q2 24
$287.3M
$109.4M
Q1 24
$289.2M
$131.7M
Total Assets
AMPL
AMPL
SST
SST
Q4 25
$420.7M
$405.0M
Q3 25
$438.1M
$385.2M
Q2 25
$456.6M
$429.2M
Q1 25
$445.8M
$419.2M
Q4 24
$445.9M
$459.1M
Q3 24
$445.6M
$479.3M
Q2 24
$445.4M
$511.3M
Q1 24
$437.9M
$521.1M
Debt / Equity
AMPL
AMPL
SST
SST
Q4 25
10.01×
Q3 25
6.07×
Q2 25
4.53×
Q1 25
3.98×
Q4 24
3.18×
Q3 24
2.87×
Q2 24
2.41×
Q1 24
2.04×

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
SST
SST
Operating Cash FlowLast quarter
$12.8M
$-10.6M
Free Cash FlowOCF − Capex
$12.7M
FCF MarginFCF / Revenue
13.8%
Capex IntensityCapex / Revenue
0.2%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$28.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPL
AMPL
SST
SST
Q4 25
$12.8M
$-10.6M
Q3 25
$5.0M
$-2.1M
Q2 25
$20.1M
$24.5M
Q1 25
$-8.0M
$-15.9M
Q4 24
$3.2M
$772.0K
Q3 24
$6.2M
$-5.0K
Q2 24
$9.2M
$10.0M
Q1 24
$-48.0K
$-16.0M
Free Cash Flow
AMPL
AMPL
SST
SST
Q4 25
$12.7M
Q3 25
$4.5M
Q2 25
$19.5M
Q1 25
$-8.5M
$-16.0M
Q4 24
$2.4M
Q3 24
$6.2M
$-36.0K
Q2 24
$8.6M
Q1 24
$-405.0K
FCF Margin
AMPL
AMPL
SST
SST
Q4 25
13.8%
Q3 25
5.1%
Q2 25
23.4%
Q1 25
-10.6%
-21.5%
Q4 24
3.1%
Q3 24
8.2%
-0.0%
Q2 24
11.8%
Q1 24
-0.6%
Capex Intensity
AMPL
AMPL
SST
SST
Q4 25
0.2%
0.0%
Q3 25
0.5%
0.0%
Q2 25
0.6%
0.0%
Q1 25
0.5%
0.1%
Q4 24
1.0%
0.0%
Q3 24
0.0%
0.0%
Q2 24
0.8%
0.0%
Q1 24
0.5%
0.0%

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%

SST
SST

Segment breakdown not available.

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