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Side-by-side financial comparison of ADTRAN Holdings, Inc. (ADTN) and APPFOLIO INC (APPF). Click either name above to swap in a different company.

ADTRAN Holdings, Inc. is the larger business by last-quarter revenue ($291.6M vs $262.2M, roughly 1.1× APPFOLIO INC). APPFOLIO INC runs the higher net margin — 16.2% vs -1.2%, a 17.4% gap on every dollar of revenue. On growth, APPFOLIO INC posted the faster year-over-year revenue change (20.4% vs 20.1%). Over the past eight quarters, APPFOLIO INC's revenue compounded faster (15.3% CAGR vs 13.5%).

Adtran, Inc. is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities.

AppFolio, Inc. is an American company founded in 2006 that offers software-as-a-service (SaaS) applications and services to the real estate industry.

ADTN vs APPF — Head-to-Head

Bigger by revenue
ADTN
ADTN
1.1× larger
ADTN
$291.6M
$262.2M
APPF
Growing faster (revenue YoY)
APPF
APPF
+0.4% gap
APPF
20.4%
20.1%
ADTN
Higher net margin
APPF
APPF
17.4% more per $
APPF
16.2%
-1.2%
ADTN
Faster 2-yr revenue CAGR
APPF
APPF
Annualised
APPF
15.3%
13.5%
ADTN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ADTN
ADTN
APPF
APPF
Revenue
$291.6M
$262.2M
Net Profit
$-3.6M
$42.4M
Gross Margin
39.0%
Operating Margin
1.5%
19.4%
Net Margin
-1.2%
16.2%
Revenue YoY
20.1%
20.4%
Net Profit YoY
92.2%
35.2%
EPS (diluted)
$-0.02
$1.18

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
ADTN
ADTN
APPF
APPF
Q1 26
$262.2M
Q4 25
$291.6M
$248.2M
Q3 25
$279.4M
$249.4M
Q2 25
$265.1M
$235.6M
Q1 25
$247.7M
$217.7M
Q4 24
$242.9M
$203.7M
Q3 24
$227.7M
$205.7M
Q2 24
$226.0M
$197.4M
Net Profit
ADTN
ADTN
APPF
APPF
Q1 26
$42.4M
Q4 25
$-3.6M
$39.9M
Q3 25
$-10.3M
$33.6M
Q2 25
$-20.5M
$36.0M
Q1 25
$-11.3M
$31.4M
Q4 24
$-46.1M
$102.7M
Q3 24
$-33.3M
$33.0M
Q2 24
$-49.7M
$29.7M
Gross Margin
ADTN
ADTN
APPF
APPF
Q1 26
Q4 25
39.0%
Q3 25
38.3%
Q2 25
37.3%
Q1 25
38.4%
Q4 24
36.9%
Q3 24
36.5%
Q2 24
36.0%
Operating Margin
ADTN
ADTN
APPF
APPF
Q1 26
19.4%
Q4 25
1.5%
17.6%
Q3 25
-1.0%
14.1%
Q2 25
-5.0%
17.2%
Q1 25
-1.6%
15.5%
Q4 24
-6.9%
11.3%
Q3 24
-11.5%
20.7%
Q2 24
-17.0%
18.3%
Net Margin
ADTN
ADTN
APPF
APPF
Q1 26
16.2%
Q4 25
-1.2%
16.1%
Q3 25
-3.7%
13.5%
Q2 25
-7.7%
15.3%
Q1 25
-4.5%
14.4%
Q4 24
-19.0%
50.4%
Q3 24
-14.6%
16.0%
Q2 24
-22.0%
15.0%
EPS (diluted)
ADTN
ADTN
APPF
APPF
Q1 26
$1.18
Q4 25
$-0.02
$1.10
Q3 25
$-0.12
$0.93
Q2 25
$-0.24
$0.99
Q1 25
$-0.14
$0.86
Q4 24
$-0.58
$2.79
Q3 24
$-0.38
$0.90
Q2 24
$-0.63
$0.81

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
APPF
APPF
Cash + ST InvestmentsLiquidity on hand
$95.7M
$147.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$145.8M
$470.2M
Total Assets
$1.2B
$580.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
APPF
APPF
Q1 26
$147.4M
Q4 25
$95.7M
$107.0M
Q3 25
$93.7M
$76.1M
Q2 25
$106.3M
$73.5M
Q1 25
$101.3M
$56.9M
Q4 24
$76.0M
$42.5M
Q3 24
$88.5M
$62.4M
Q2 24
$111.2M
$59.6M
Stockholders' Equity
ADTN
ADTN
APPF
APPF
Q1 26
$470.2M
Q4 25
$145.8M
$542.6M
Q3 25
$141.6M
$498.9M
Q2 25
$169.6M
$455.6M
Q1 25
$138.9M
$462.1M
Q4 24
$127.0M
$519.3M
Q3 24
$205.6M
$412.8M
Q2 24
$213.6M
$371.4M
Total Assets
ADTN
ADTN
APPF
APPF
Q1 26
$580.6M
Q4 25
$1.2B
$689.0M
Q3 25
$1.2B
$640.5M
Q2 25
$1.2B
$567.4M
Q1 25
$1.2B
$564.7M
Q4 24
$1.2B
$626.7M
Q3 24
$1.3B
$523.3M
Q2 24
$1.3B
$479.3M

Cash Flow & Capital Efficiency

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

Metric
ADTN
ADTN
APPF
APPF
Operating Cash FlowLast quarter
$42.2M
$34.3M
Free Cash FlowOCF − Capex
$30.6M
FCF MarginFCF / Revenue
10.5%
Capex IntensityCapex / Revenue
4.0%
Cash ConversionOCF / Net Profit
0.81×
TTM Free Cash FlowTrailing 4 quarters
$98.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
APPF
APPF
Q1 26
$34.3M
Q4 25
$42.2M
$65.0M
Q3 25
$12.2M
$86.0M
Q2 25
$32.2M
$52.6M
Q1 25
$43.2M
$38.5M
Q4 24
$2.4M
$36.6M
Q3 24
$43.3M
$57.8M
Q2 24
$19.9M
$50.9M
Free Cash Flow
ADTN
ADTN
APPF
APPF
Q1 26
Q4 25
$30.6M
$63.7M
Q3 25
$4.2M
$84.7M
Q2 25
$27.5M
$52.4M
Q1 25
$35.8M
$38.2M
Q4 24
$-895.0K
$36.4M
Q3 24
$37.1M
$57.4M
Q2 24
$8.4M
$50.8M
FCF Margin
ADTN
ADTN
APPF
APPF
Q1 26
Q4 25
10.5%
25.7%
Q3 25
1.5%
34.0%
Q2 25
10.4%
22.2%
Q1 25
14.4%
17.6%
Q4 24
-0.4%
17.9%
Q3 24
16.3%
27.9%
Q2 24
3.7%
25.8%
Capex Intensity
ADTN
ADTN
APPF
APPF
Q1 26
Q4 25
4.0%
0.5%
Q3 25
2.9%
0.5%
Q2 25
1.8%
0.1%
Q1 25
3.0%
0.1%
Q4 24
1.4%
0.1%
Q3 24
2.7%
0.2%
Q2 24
5.1%
0.0%
Cash Conversion
ADTN
ADTN
APPF
APPF
Q1 26
0.81×
Q4 25
1.63×
Q3 25
2.56×
Q2 25
1.46×
Q1 25
1.23×
Q4 24
0.36×
Q3 24
1.75×
Q2 24
1.71×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ADTN
ADTN

Subscriber Solutions$96.2M33%
Optical Networking Solutions$81.8M28%
Access Aggregation Solutions$64.6M22%
Services And Support$48.9M17%

APPF
APPF

Value Added Services$201.4M77%
Subscription Services$58.2M22%

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