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Side-by-side financial comparison of Joby Aviation, Inc. (JOBY) and Rumble Inc. (RUM). Click either name above to swap in a different company.

Joby Aviation, Inc. is the larger business by last-quarter revenue ($30.8M vs $27.1M, roughly 1.1× Rumble Inc.). On growth, Joby Aviation, Inc. posted the faster year-over-year revenue change (55965.5% vs -10.5%). Rumble Inc. produced more free cash flow last quarter ($-31.7M vs $-563.8M).

Joby Aviation is a United States venture-backed aviation company, developing an electric vertical takeoff and landing (eVTOL) aircraft that it intends to operate as an air taxi service. Joby Aviation is headquartered in Santa Cruz, California and has offices in San Carlos, California; Marina, California; and Munich, Germany.

Rumble is a Canadian-American online video platform, web hosting, and cloud services business headquartered in Toronto, Canada, with its U.S. headquarters in Longboat Key, Florida. It was founded in 2013 by Chris Pavlovski, a Canadian technology entrepreneur. Rumble's cloud services business hosts Truth Social, and the video platform is popular among American conservative and far-right users. Rumble has been described as "alt-tech".

JOBY vs RUM — Head-to-Head

Bigger by revenue
JOBY
JOBY
1.1× larger
JOBY
$30.8M
$27.1M
RUM
Growing faster (revenue YoY)
JOBY
JOBY
+55975.9% gap
JOBY
55965.5%
-10.5%
RUM
More free cash flow
RUM
RUM
$532.1M more FCF
RUM
$-31.7M
$-563.8M
JOBY

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
JOBY
JOBY
RUM
RUM
Revenue
$30.8M
$27.1M
Net Profit
$-32.7M
Gross Margin
5.5%
Operating Margin
-131.1%
Net Margin
-120.8%
Revenue YoY
55965.5%
-10.5%
Net Profit YoY
50.7%
86.2%
EPS (diluted)
$-0.13

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
JOBY
JOBY
RUM
RUM
Q4 25
$30.8M
$27.1M
Q3 25
$22.6M
$24.8M
Q1 25
$0
$23.7M
Q4 24
$30.2M
Q3 24
$25.1M
Q2 24
$22.5M
Q1 24
$17.7M
Q4 23
$20.4M
Net Profit
JOBY
JOBY
RUM
RUM
Q4 25
$-32.7M
Q3 25
$-401.2M
$-16.3M
Q1 25
$-82.4M
$-2.7M
Q4 24
$-236.8M
Q3 24
$-31.5M
Q2 24
$-26.8M
Q1 24
$-43.3M
Q4 23
$-29.3M
Gross Margin
JOBY
JOBY
RUM
RUM
Q4 25
5.5%
Q3 25
-1.8%
Q1 25
-26.7%
Q4 24
-14.2%
Q3 24
-45.4%
Q2 24
-58.8%
Q1 24
-79.5%
Q4 23
Operating Margin
JOBY
JOBY
RUM
RUM
Q4 25
-131.1%
Q3 25
-804.8%
-113.6%
Q1 25
-153.5%
Q4 24
-80.1%
Q3 24
-131.0%
Q2 24
-172.7%
Q1 24
-197.4%
Q4 23
-182.5%
Net Margin
JOBY
JOBY
RUM
RUM
Q4 25
-120.8%
Q3 25
-1777.4%
-65.7%
Q1 25
-11.2%
Q4 24
-783.2%
Q3 24
-125.9%
Q2 24
-119.2%
Q1 24
-244.1%
Q4 23
-143.6%
EPS (diluted)
JOBY
JOBY
RUM
RUM
Q4 25
$-0.13
Q3 25
$-0.48
$-0.06
Q1 25
$-0.11
$-0.01
Q4 24
$-1.17
Q3 24
$-0.15
Q2 24
$-0.13
Q1 24
$-0.21
Q4 23
$-0.15

Balance Sheet & Financial Strength

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

Metric
JOBY
JOBY
RUM
RUM
Cash + ST InvestmentsLiquidity on hand
$1.4B
$237.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.4B
$274.8M
Total Assets
$1.8B
$336.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
JOBY
JOBY
RUM
RUM
Q4 25
$1.4B
$237.9M
Q3 25
$978.1M
$269.8M
Q1 25
$812.5M
$301.3M
Q4 24
$114.0M
Q3 24
$132.0M
Q2 24
$154.2M
Q1 24
$183.8M
Q4 23
$219.5M
Stockholders' Equity
JOBY
JOBY
RUM
RUM
Q4 25
$1.4B
$274.8M
Q3 25
$896.5M
$302.2M
Q1 25
$859.4M
$339.6M
Q4 24
$-63.1M
Q3 24
$166.1M
Q2 24
$192.7M
Q1 24
$210.7M
Q4 23
$251.6M
Total Assets
JOBY
JOBY
RUM
RUM
Q4 25
$1.8B
$336.8M
Q3 25
$1.4B
$367.2M
Q1 25
$1.1B
$391.1M
Q4 24
$195.3M
Q3 24
$217.2M
Q2 24
$243.2M
Q1 24
$263.0M
Q4 23
$295.7M

Cash Flow & Capital Efficiency

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

Metric
JOBY
JOBY
RUM
RUM
Operating Cash FlowLast quarter
$-509.9M
$-29.4M
Free Cash FlowOCF − Capex
$-563.8M
$-31.7M
FCF MarginFCF / Revenue
-1828.4%
-117.2%
Capex IntensityCapex / Revenue
174.9%
8.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-930.7M
$-70.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
JOBY
JOBY
RUM
RUM
Q4 25
$-509.9M
$-29.4M
Q3 25
$-139.2M
$-10.6M
Q1 25
$-111.0M
$-14.5M
Q4 24
$-12.4M
Q3 24
$-19.1M
Q2 24
$-21.7M
Q1 24
$-33.9M
Q4 23
$-33.1M
Free Cash Flow
JOBY
JOBY
RUM
RUM
Q4 25
$-563.8M
$-31.7M
Q3 25
$-152.2M
$-12.0M
Q1 25
$-125.9M
$-14.6M
Q4 24
$-12.4M
Q3 24
$-19.9M
Q2 24
$-23.1M
Q1 24
$-34.3M
Q4 23
$-36.6M
FCF Margin
JOBY
JOBY
RUM
RUM
Q4 25
-1828.4%
-117.2%
Q3 25
-674.3%
-48.6%
Q1 25
-61.7%
Q4 24
-40.9%
Q3 24
-79.5%
Q2 24
-102.8%
Q1 24
-193.3%
Q4 23
-179.7%
Capex Intensity
JOBY
JOBY
RUM
RUM
Q4 25
174.9%
8.5%
Q3 25
57.7%
5.7%
Q1 25
0.6%
Q4 24
0.1%
Q3 24
3.4%
Q2 24
6.1%
Q1 24
2.4%
Q4 23
17.5%

Financial Flow Comparison

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

Revenue Breakdown by Segment

JOBY
JOBY

Segment breakdown not available.

RUM
RUM

Audience Monetization$23.8M88%
Other Initiatives$3.3M12%

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