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Side-by-side financial comparison of CSG SYSTEMS INTERNATIONAL INC (CSGS) and IDT CORP (IDT). Click either name above to swap in a different company.
CSG SYSTEMS INTERNATIONAL INC is the larger business by last-quarter revenue ($323.1M vs $322.8M, roughly 1.0× IDT CORP). IDT CORP runs the higher net margin — 6.9% vs 2.2%, a 4.8% gap on every dollar of revenue. On growth, IDT CORP posted the faster year-over-year revenue change (4.3% vs 2.0%). CSG SYSTEMS INTERNATIONAL INC produced more free cash flow last quarter ($55.8M vs $-16.0M). Over the past eight quarters, CSG SYSTEMS INTERNATIONAL INC's revenue compounded faster (4.6% CAGR vs 4.4%).
CSG Holding Limited, formerly China Southern Glass Holding Limited, is the largest architectural glass manufacturer in China. It is involved in manufacturing and selling glass products, such as float glass, architectural glass, display glass, automotive glass, coated glass, mirrors, color filter glass, solar glass and conservation glass.
IDT Corporation is a multinational provider of cloud communications, point of sale systems, unified communications, and financial services foreign exchange services for selected clients. It has units dedicated for businesses and consumers such as the Boss Revolution pre-paid phone cards, headquartered in Newark, New Jersey.
CSGS vs IDT — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $323.1M | $322.8M |
| Net Profit | $7.0M | $22.4M |
| Gross Margin | 50.0% | 36.6% |
| Operating Margin | 9.0% | 9.6% |
| Net Margin | 2.2% | 6.9% |
| Revenue YoY | 2.0% | 4.3% |
| Net Profit YoY | -79.7% | 29.6% |
| EPS (diluted) | $0.24 | $0.89 |
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 | $323.1M | $322.8M | ||
| Q3 25 | $303.6M | $316.6M | ||
| Q2 25 | $297.1M | $302.0M | ||
| Q1 25 | $299.5M | $303.3M | ||
| Q4 24 | $316.7M | $309.6M | ||
| Q3 24 | $295.1M | $308.8M | ||
| Q2 24 | $290.3M | $299.6M | ||
| Q1 24 | $295.1M | $296.1M |
| Q4 25 | $7.0M | $22.4M | ||
| Q3 25 | $20.5M | $16.9M | ||
| Q2 25 | $12.3M | $21.7M | ||
| Q1 25 | $16.1M | $20.3M | ||
| Q4 24 | $34.5M | $17.2M | ||
| Q3 24 | $19.1M | $36.8M | ||
| Q2 24 | $13.8M | $5.6M | ||
| Q1 24 | $19.5M | $14.4M |
| Q4 25 | 50.0% | 36.6% | ||
| Q3 25 | 48.1% | 36.2% | ||
| Q2 25 | 49.5% | 37.1% | ||
| Q1 25 | 48.4% | 37.0% | ||
| Q4 24 | 51.3% | 34.8% | ||
| Q3 24 | 49.4% | 33.1% | ||
| Q2 24 | 47.3% | 32.4% | ||
| Q1 24 | 46.5% | 32.7% |
| Q4 25 | 9.0% | 9.6% | ||
| Q3 25 | 10.0% | 6.9% | ||
| Q2 25 | 10.0% | 8.8% | ||
| Q1 25 | 9.8% | 9.3% | ||
| Q4 24 | 13.4% | 7.6% | ||
| Q3 24 | 10.8% | 6.5% | ||
| Q2 24 | 8.8% | 3.8% | ||
| Q1 24 | 10.8% | 5.4% |
| Q4 25 | 2.2% | 6.9% | ||
| Q3 25 | 6.7% | 5.3% | ||
| Q2 25 | 4.1% | 7.2% | ||
| Q1 25 | 5.4% | 6.7% | ||
| Q4 24 | 10.9% | 5.6% | ||
| Q3 24 | 6.5% | 11.9% | ||
| Q2 24 | 4.8% | 1.9% | ||
| Q1 24 | 6.6% | 4.9% |
| Q4 25 | $0.24 | $0.89 | ||
| Q3 25 | $0.73 | $0.67 | ||
| Q2 25 | $0.44 | $0.86 | ||
| Q1 25 | $0.57 | $0.80 | ||
| Q4 24 | $1.20 | $0.68 | ||
| Q3 24 | $0.67 | $1.45 | ||
| Q2 24 | $0.48 | $0.22 | ||
| Q1 24 | $0.68 | $0.57 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $180.0M | $189.3M |
| Total DebtLower is stronger | $539.5M | — |
| Stockholders' EquityBook value | $283.7M | $320.7M |
| Total Assets | $1.5B | $654.9M |
| Debt / EquityLower = less leverage | 1.90× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $180.0M | $189.3M | ||
| Q3 25 | $158.4M | $226.5M | ||
| Q2 25 | $145.9M | $199.9M | ||
| Q1 25 | $136.0M | $142.2M | ||
| Q4 24 | $161.8M | $148.0M | ||
| Q3 24 | $118.4M | $164.6M | ||
| Q2 24 | $110.4M | $139.8M | ||
| Q1 24 | $120.8M | $141.1M |
| Q4 25 | $539.5M | — | ||
| Q3 25 | $538.6M | — | ||
| Q2 25 | $537.8M | — | ||
| Q1 25 | $537.6M | — | ||
| Q4 24 | $538.5M | — | ||
| Q3 24 | $539.5M | — | ||
| Q2 24 | $540.5M | — | ||
| Q1 24 | $541.5M | — |
| Q4 25 | $283.7M | $320.7M | ||
| Q3 25 | $289.5M | $305.1M | ||
| Q2 25 | $290.7M | $286.2M | ||
| Q1 25 | $283.1M | $271.6M | ||
| Q4 24 | $282.6M | $260.6M | ||
| Q3 24 | $288.4M | $246.2M | ||
| Q2 24 | $273.3M | $214.5M | ||
| Q1 24 | $269.3M | $211.8M |
| Q4 25 | $1.5B | $654.9M | ||
| Q3 25 | $1.5B | $626.2M | ||
| Q2 25 | $1.4B | $600.9M | ||
| Q1 25 | $1.4B | $575.7M | ||
| Q4 24 | $1.5B | $554.6M | ||
| Q3 24 | $1.4B | $550.1M | ||
| Q2 24 | $1.4B | $517.3M | ||
| Q1 24 | $1.3B | $521.8M |
| Q4 25 | 1.90× | — | ||
| Q3 25 | 1.86× | — | ||
| Q2 25 | 1.85× | — | ||
| Q1 25 | 1.90× | — | ||
| Q4 24 | 1.91× | — | ||
| Q3 24 | 1.87× | — | ||
| Q2 24 | 1.98× | — | ||
| Q1 24 | 2.01× | — |
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 | $59.2M | $-10.1M |
| Free Cash FlowOCF − Capex | $55.8M | $-16.0M |
| FCF MarginFCF / Revenue | 17.3% | -4.9% |
| Capex IntensityCapex / Revenue | 1.1% | 1.8% |
| Cash ConversionOCF / Net Profit | 8.46× | -0.45× |
| TTM Free Cash FlowTrailing 4 quarters | $141.4M | $95.4M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $59.2M | $-10.1M | ||
| Q3 25 | $47.9M | $31.0M | ||
| Q2 25 | $37.3M | $75.7M | ||
| Q1 25 | $11.5M | $20.2M | ||
| Q4 24 | $82.5M | $164.0K | ||
| Q3 24 | $39.5M | $25.4M | ||
| Q2 24 | $43.1M | $9.5M | ||
| Q1 24 | $-29.4M | $28.4M |
| Q4 25 | $55.8M | $-16.0M | ||
| Q3 25 | $43.9M | $25.7M | ||
| Q2 25 | $34.6M | $70.3M | ||
| Q1 25 | $7.1M | $15.3M | ||
| Q4 24 | $76.6M | $-5.1M | ||
| Q3 24 | $32.0M | $20.1M | ||
| Q2 24 | $38.8M | $4.7M | ||
| Q1 24 | $-34.1M | $23.9M |
| Q4 25 | 17.3% | -4.9% | ||
| Q3 25 | 14.5% | 8.1% | ||
| Q2 25 | 11.6% | 23.3% | ||
| Q1 25 | 2.4% | 5.1% | ||
| Q4 24 | 24.2% | -1.7% | ||
| Q3 24 | 10.8% | 6.5% | ||
| Q2 24 | 13.4% | 1.6% | ||
| Q1 24 | -11.6% | 8.1% |
| Q4 25 | 1.1% | 1.8% | ||
| Q3 25 | 1.3% | 1.7% | ||
| Q2 25 | 0.9% | 1.8% | ||
| Q1 25 | 1.5% | 1.6% | ||
| Q4 24 | 1.9% | 1.7% | ||
| Q3 24 | 2.5% | 1.7% | ||
| Q2 24 | 1.5% | 1.6% | ||
| Q1 24 | 1.6% | 1.5% |
| Q4 25 | 8.46× | -0.45× | ||
| Q3 25 | 2.34× | 1.84× | ||
| Q2 25 | 3.04× | 3.49× | ||
| Q1 25 | 0.71× | 0.99× | ||
| Q4 24 | 2.39× | 0.01× | ||
| Q3 24 | 2.07× | 0.69× | ||
| Q2 24 | 3.12× | 1.71× | ||
| Q1 24 | -1.51× | 1.97× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
CSGS
| Software As A Service And Related Solutions | $287.2M | 89% |
| License And Service | $22.6M | 7% |
| Maintenance | $13.3M | 4% |
IDT
| IDT Digital Payments | $104.4M | 32% |
| IDT Global | $60.2M | 19% |
| BOSS Revolution | $45.7M | 14% |
| National Retail Solutions | $39.3M | 12% |
| BOSS Revolution Money Transfer | $36.3M | 11% |
| Net2phone | $23.9M | 7% |
| Other | $8.0M | 2% |
