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Side-by-side financial comparison of IDT CORP (IDT) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

IDT CORP is the larger business by last-quarter revenue ($322.8M vs $162.6M, roughly 2.0× Ribbon Communications Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs 6.9%, a 47.8% gap on every dollar of revenue. On growth, IDT CORP posted the faster year-over-year revenue change (4.3% vs -10.3%). Over the past eight quarters, IDT CORP's revenue compounded faster (4.4% CAGR vs -8.1%).

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.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

IDT vs RBBN — Head-to-Head

Bigger by revenue
IDT
IDT
2.0× larger
IDT
$322.8M
$162.6M
RBBN
Growing faster (revenue YoY)
IDT
IDT
+14.6% gap
IDT
4.3%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
47.8% more per $
RBBN
54.8%
6.9%
IDT
Faster 2-yr revenue CAGR
IDT
IDT
Annualised
IDT
4.4%
-8.1%
RBBN

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
IDT
IDT
RBBN
RBBN
Revenue
$322.8M
$162.6M
Net Profit
$22.4M
$89.1M
Gross Margin
36.6%
42.9%
Operating Margin
9.6%
37.6%
Net Margin
6.9%
54.8%
Revenue YoY
4.3%
-10.3%
Net Profit YoY
29.6%
EPS (diluted)
$0.89
$0.50

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
IDT
IDT
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$322.8M
$227.3M
Q3 25
$316.6M
$215.4M
Q2 25
$302.0M
$220.6M
Q1 25
$303.3M
$181.3M
Q4 24
$309.6M
$251.4M
Q3 24
$308.8M
$210.2M
Q2 24
$299.6M
$192.6M
Net Profit
IDT
IDT
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$22.4M
Q3 25
$16.9M
$-12.1M
Q2 25
$21.7M
$-11.1M
Q1 25
$20.3M
$-26.2M
Q4 24
$17.2M
Q3 24
$36.8M
$-13.4M
Q2 24
$5.6M
$-16.8M
Gross Margin
IDT
IDT
RBBN
RBBN
Q1 26
42.9%
Q4 25
36.6%
53.3%
Q3 25
36.2%
50.1%
Q2 25
37.1%
49.6%
Q1 25
37.0%
45.4%
Q4 24
34.8%
55.7%
Q3 24
33.1%
52.1%
Q2 24
32.4%
50.8%
Operating Margin
IDT
IDT
RBBN
RBBN
Q1 26
37.6%
Q4 25
9.6%
4.1%
Q3 25
6.9%
1.3%
Q2 25
8.8%
1.9%
Q1 25
9.3%
-10.8%
Q4 24
7.6%
13.2%
Q3 24
6.5%
-0.4%
Q2 24
3.8%
-1.0%
Net Margin
IDT
IDT
RBBN
RBBN
Q1 26
54.8%
Q4 25
6.9%
Q3 25
5.3%
-5.6%
Q2 25
7.2%
-5.0%
Q1 25
6.7%
-14.5%
Q4 24
5.6%
Q3 24
11.9%
-6.4%
Q2 24
1.9%
-8.7%
EPS (diluted)
IDT
IDT
RBBN
RBBN
Q1 26
$0.50
Q4 25
$0.89
$0.50
Q3 25
$0.67
$-0.07
Q2 25
$0.86
$-0.06
Q1 25
$0.80
$-0.15
Q4 24
$0.68
$0.05
Q3 24
$1.45
$-0.08
Q2 24
$0.22
$-0.10

Balance Sheet & Financial Strength

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

Metric
IDT
IDT
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$189.3M
$67.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$320.7M
$419.1M
Total Assets
$654.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IDT
IDT
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$189.3M
$96.4M
Q3 25
$226.5M
$74.8M
Q2 25
$199.9M
$60.5M
Q1 25
$142.2M
$71.2M
Q4 24
$148.0M
$87.8M
Q3 24
$164.6M
$37.2M
Q2 24
$139.8M
$64.6M
Total Debt
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
$342.1M
Q3 25
$344.3M
Q2 25
$346.5M
Q1 25
$347.4M
Q4 24
$348.3M
Q3 24
$349.1M
Q2 24
$350.0M
Stockholders' Equity
IDT
IDT
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$320.7M
$449.0M
Q3 25
$305.1M
$360.1M
Q2 25
$286.2M
$370.4M
Q1 25
$271.6M
$381.8M
Q4 24
$260.6M
$404.6M
Q3 24
$246.2M
$395.5M
Q2 24
$214.5M
$405.0M
Total Assets
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
$654.9M
$1.2B
Q3 25
$626.2M
$1.1B
Q2 25
$600.9M
$1.1B
Q1 25
$575.7M
$1.1B
Q4 24
$554.6M
$1.2B
Q3 24
$550.1M
$1.1B
Q2 24
$517.3M
$1.1B
Debt / Equity
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
0.76×
Q3 25
0.96×
Q2 25
0.94×
Q1 25
0.91×
Q4 24
0.86×
Q3 24
0.88×
Q2 24
0.86×

Cash Flow & Capital Efficiency

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

Metric
IDT
IDT
RBBN
RBBN
Operating Cash FlowLast quarter
$-10.1M
Free Cash FlowOCF − Capex
$-16.0M
FCF MarginFCF / Revenue
-4.9%
Capex IntensityCapex / Revenue
1.8%
Cash ConversionOCF / Net Profit
-0.45×
TTM Free Cash FlowTrailing 4 quarters
$95.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
$-10.1M
$29.2M
Q3 25
$31.0M
$26.5M
Q2 25
$75.7M
$-795.0K
Q1 25
$20.2M
$-3.5M
Q4 24
$164.0K
$61.8M
Q3 24
$25.4M
$-14.8M
Q2 24
$9.5M
$-9.8M
Free Cash Flow
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
$-16.0M
$27.3M
Q3 25
$25.7M
$21.0M
Q2 25
$70.3M
$-6.5M
Q1 25
$15.3M
$-15.7M
Q4 24
$-5.1M
$53.8M
Q3 24
$20.1M
$-23.7M
Q2 24
$4.7M
$-12.9M
FCF Margin
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
-4.9%
12.0%
Q3 25
8.1%
9.7%
Q2 25
23.3%
-2.9%
Q1 25
5.1%
-8.7%
Q4 24
-1.7%
21.4%
Q3 24
6.5%
-11.3%
Q2 24
1.6%
-6.7%
Capex Intensity
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
1.8%
0.9%
Q3 25
1.7%
2.6%
Q2 25
1.8%
2.6%
Q1 25
1.6%
6.7%
Q4 24
1.7%
3.2%
Q3 24
1.7%
4.2%
Q2 24
1.6%
1.6%
Cash Conversion
IDT
IDT
RBBN
RBBN
Q1 26
Q4 25
-0.45×
Q3 25
1.84×
Q2 25
3.49×
Q1 25
0.99×
Q4 24
0.01×
Q3 24
0.69×
Q2 24
1.71×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IDT
IDT

IDT Digital Payments$104.4M32%
IDT Global$60.2M19%
BOSS Revolution$45.7M14%
National Retail Solutions$39.3M12%
BOSS Revolution Money Transfer$36.3M11%
Net2phone$23.9M7%
Other$8.0M2%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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