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Side-by-side financial comparison of ADT Inc. (ADT) and Zscaler, Inc. (ZS). Click either name above to swap in a different company.
ADT Inc. is the larger business by last-quarter revenue ($1.3B vs $788.1M, roughly 1.6× Zscaler, Inc.). ADT Inc. runs the higher net margin — 11.4% vs -1.5%, a 12.9% gap on every dollar of revenue. On growth, Zscaler, Inc. posted the faster year-over-year revenue change (25.5% vs 2.9%). Zscaler, Inc. produced more free cash flow last quarter ($431.0M vs $323.5M). Over the past eight quarters, Zscaler, Inc.'s revenue compounded faster (22.5% CAGR vs 2.7%).
ADT Inc., formerly the ADT Corporation, is an American security company that provides residential and small business electronic security, fire protection, and other related alarm monitoring services throughout the United States and Canada. The corporate head office is located in Boca Raton, Florida. In February 2016, the company was acquired by Apollo Global Management for $6.9 billion in a leveraged buyout. In January 2018, the company went public on the New York Stock Exchange.
Zscaler, Inc. is an American cloud security company based in San Jose, California. The company offers cloud-based services to protect enterprise networks and data.
ADT vs ZS — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $1.3B | $788.1M |
| Net Profit | $145.4M | $-11.6M |
| Gross Margin | — | 76.6% |
| Operating Margin | 26.1% | -4.6% |
| Net Margin | 11.4% | -1.5% |
| Revenue YoY | 2.9% | 25.5% |
| Net Profit YoY | -23.5% | 3.6% |
| EPS (diluted) | — | $-0.07 |
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.
| Q4 25 | $1.3B | $788.1M | ||
| Q3 25 | $1.3B | $719.2M | ||
| Q2 25 | $1.3B | $678.0M | ||
| Q1 25 | $1.3B | $647.9M | ||
| Q4 24 | $1.2B | $628.0M | ||
| Q3 24 | $1.2B | $592.9M | ||
| Q2 24 | $1.2B | $553.2M | ||
| Q1 24 | $1.2B | $525.0M |
| Q4 25 | $145.4M | $-11.6M | ||
| Q3 25 | $145.1M | $-17.6M | ||
| Q2 25 | $165.2M | $-4.1M | ||
| Q1 25 | $140.2M | $-7.7M | ||
| Q4 24 | $190.0M | $-12.1M | ||
| Q3 24 | $127.2M | $-14.9M | ||
| Q2 24 | $92.4M | $19.1M | ||
| Q1 24 | $91.6M | $-28.5M |
| Q4 25 | — | 76.6% | ||
| Q3 25 | — | 76.1% | ||
| Q2 25 | — | 77.0% | ||
| Q1 25 | — | 77.1% | ||
| Q4 24 | — | 77.5% | ||
| Q3 24 | — | 78.0% | ||
| Q2 24 | — | 78.6% | ||
| Q1 24 | — | 77.7% |
| Q4 25 | 26.1% | -4.6% | ||
| Q3 25 | 24.3% | -4.5% | ||
| Q2 25 | 26.6% | -3.7% | ||
| Q1 25 | 25.2% | -6.2% | ||
| Q4 24 | 32.4% | -4.9% | ||
| Q3 24 | 26.2% | -4.5% | ||
| Q2 24 | 23.6% | -0.5% | ||
| Q1 24 | 16.2% | -8.7% |
| Q4 25 | 11.4% | -1.5% | ||
| Q3 25 | 11.2% | -2.4% | ||
| Q2 25 | 12.8% | -0.6% | ||
| Q1 25 | 11.1% | -1.2% | ||
| Q4 24 | 15.3% | -1.9% | ||
| Q3 24 | 10.2% | -2.5% | ||
| Q2 24 | 7.7% | 3.5% | ||
| Q1 24 | 7.6% | -5.4% |
| Q4 25 | — | $-0.07 | ||
| Q3 25 | — | $-0.11 | ||
| Q2 25 | — | $-0.03 | ||
| Q1 25 | — | $-0.05 | ||
| Q4 24 | — | $-0.08 | ||
| Q3 24 | — | $-0.09 | ||
| Q2 24 | — | $0.12 | ||
| Q1 24 | — | $-0.19 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $80.8M | $1.3B |
| Total DebtLower is stronger | $7.4B | — |
| Stockholders' EquityBook value | $3.8B | $2.0B |
| Total Assets | $15.8B | $6.5B |
| Debt / EquityLower = less leverage | 1.95× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $80.8M | $1.3B | ||
| Q3 25 | $62.8M | $2.4B | ||
| Q2 25 | $45.2M | $2.0B | ||
| Q1 25 | $3.7M | $1.8B | ||
| Q4 24 | $96.2M | $1.6B | ||
| Q3 24 | $95.3M | $1.4B | ||
| Q2 24 | $37.9M | $1.3B | ||
| Q1 24 | $4.0M | $1.4B |
| Q4 25 | $7.4B | — | ||
| Q3 25 | $7.3B | — | ||
| Q2 25 | $6.8B | $1.1B | ||
| Q1 25 | $7.6B | $1.1B | ||
| Q4 24 | $7.5B | $1.1B | ||
| Q3 24 | $7.5B | $1.1B | ||
| Q2 24 | $7.5B | $1.1B | ||
| Q1 24 | $7.6B | $1.1B |
| Q4 25 | $3.8B | $2.0B | ||
| Q3 25 | $3.7B | $1.8B | ||
| Q2 25 | $3.7B | $1.8B | ||
| Q1 25 | $3.6B | $1.6B | ||
| Q4 24 | $3.8B | $1.4B | ||
| Q3 24 | $3.9B | $1.3B | ||
| Q2 24 | $3.8B | $1.1B | ||
| Q1 24 | $3.7B | $958.9M |
| Q4 25 | $15.8B | $6.5B | ||
| Q3 25 | $16.0B | $6.4B | ||
| Q2 25 | $16.0B | $5.3B | ||
| Q1 25 | $15.8B | $5.0B | ||
| Q4 24 | $16.1B | $4.7B | ||
| Q3 24 | $16.1B | $4.7B | ||
| Q2 24 | $16.0B | $4.2B | ||
| Q1 24 | $15.9B | $3.9B |
| Q4 25 | 1.95× | — | ||
| Q3 25 | 1.99× | — | ||
| Q2 25 | 1.84× | 0.64× | ||
| Q1 25 | 2.10× | 0.71× | ||
| Q4 24 | 1.98× | 0.80× | ||
| Q3 24 | 1.93× | 0.90× | ||
| Q2 24 | 1.98× | 1.04× | ||
| Q1 24 | 2.03× | 1.19× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $373.6M | $448.3M |
| Free Cash FlowOCF − Capex | $323.5M | $431.0M |
| FCF MarginFCF / Revenue | 25.4% | 54.7% |
| Capex IntensityCapex / Revenue | 3.9% | 2.2% |
| Cash ConversionOCF / Net Profit | 2.57× | — |
| TTM Free Cash FlowTrailing 4 quarters | $1.7B | $924.9M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $373.6M | $448.3M | ||
| Q3 25 | $480.1M | $250.6M | ||
| Q2 25 | $563.9M | $211.1M | ||
| Q1 25 | $466.6M | $179.4M | ||
| Q4 24 | $459.7M | $331.3M | ||
| Q3 24 | $498.2M | $203.6M | ||
| Q2 24 | $563.2M | $173.4M | ||
| Q1 24 | $363.8M | $142.1M |
| Q4 25 | $323.5M | $431.0M | ||
| Q3 25 | $437.4M | $190.6M | ||
| Q2 25 | $526.3M | $138.9M | ||
| Q1 25 | $421.2M | $164.4M | ||
| Q4 24 | $426.0M | $314.3M | ||
| Q3 24 | $455.5M | $154.2M | ||
| Q2 24 | $516.5M | $137.8M | ||
| Q1 24 | $323.1M | $111.2M |
| Q4 25 | 25.4% | 54.7% | ||
| Q3 25 | 33.7% | 26.5% | ||
| Q2 25 | 40.9% | 20.5% | ||
| Q1 25 | 33.2% | 25.4% | ||
| Q4 24 | 34.3% | 50.1% | ||
| Q3 24 | 36.6% | 26.0% | ||
| Q2 24 | 42.9% | 24.9% | ||
| Q1 24 | 26.7% | 21.2% |
| Q4 25 | 3.9% | 2.2% | ||
| Q3 25 | 3.3% | 8.3% | ||
| Q2 25 | 2.9% | 10.6% | ||
| Q1 25 | 3.6% | 2.3% | ||
| Q4 24 | 2.7% | 2.7% | ||
| Q3 24 | 3.4% | 8.3% | ||
| Q2 24 | 3.9% | 6.4% | ||
| Q1 24 | 3.4% | 5.9% |
| Q4 25 | 2.57× | — | ||
| Q3 25 | 3.31× | — | ||
| Q2 25 | 3.41× | — | ||
| Q1 25 | 3.33× | — | ||
| Q4 24 | 2.42× | — | ||
| Q3 24 | 3.92× | — | ||
| Q2 24 | 6.10× | 9.07× | ||
| Q1 24 | 3.97× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ADT
| Recurring Monthly Revenue | $1.0B | 82% |
| Installation Revenue | $103.0M | 8% |
| Other | $89.9M | 7% |
| Other Related Services | $36.0M | 3% |
ZS
Segment breakdown not available.
