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Death Clock
Death Clock
Visibility49
Vibe73
Businesses/Death Clock
Death Clock
AI Visibility & Sentiment

Death Clock

Death Clock is an AI-powered longevity app that calculates users' predicted lifespan based on lifestyle factors and provides personalized insights to help them live longer, healthier lives. The company operates under Most Days Inc. and combines mortality awareness with actionable health optimization.

Active Monitoring
mostdays.com/home
Startups
AI Visibility Score
49/100

Moderate

Sentiment Score
73/100
Score by Priority

How often this business is recommended to users across different types of conversations — from direct product queries to broader open-ended conversations where AI could recommend this company's products and services

core
49
adjacent
0
aspirational
0
OverviewLandscapeInsights & ActionsContent IdeasConversationsCitationsBrand Voice

Is this your business?

AI Perception

Key Takeaways

How AI platforms collectively perceive and describe Death Clock today.

Death Clock has achieved a dominant, top-tier authority in lifespan prediction queries across Google AI Overviews and Claude, yet remains critically absent from the broader longevity planning and biohacking conversations where high-intent users are actually built. While the brand is the go-to resource for mortality tracking, it is currently ceding the lucrative 'daily health optimization' market to competitors like InsideTracker and WHOOP.

Working in your favor

Absolute dominance in lifespan prediction and mortality tracking queries with #1 rankings in Gemini, Claude, and AI Overviews.

Strong resonance with the 'Mid-Life Intentionality Seeker' persona, achieving a near-perfect average position of 1.5.

Exceptional performance in AI Overviews with a 31% mention rate and #1 average position across relevant queries.

Gaps to close

Complete invisibility in 'Longevity Planning & Biohacking' and 'Health Optimization Insights' query clusters.

Underperforming on ChatGPT with a low 22% mention rate, poor average position (9.0), and negative sentiment.

Minimal penetration into the 'Quantitative Longevity Researcher' persona segment compared to wearable tech competitors.

Opportunities

Pivot content strategy to bridge the gap between 'lifespan prediction' and 'longevity routines' to capture users at the planning stage.

Leverage the high trust in Claude and Gemini to establish the brand as a data source for longevity podcasts and newsletters.

Improve ChatGPT sentiment by seeding authoritative citations that link mortality data to actionable health optimization.

Highest-Impact Actions
1

Develop and seed content focused on 'Longevity Planning' and 'Biohacking Routines'.

The brand is currently ignored for holistic planning queries; appearing in these results is necessary to compete with InsideTracker and Oura.

2

Initiate a ChatGPT sentiment recovery campaign through authoritative PR and technical documentation.

Negative sentiment and a position of 9.0 on the most used AI platform actively discourages adoption and damages brand trust.

3

Optimize for 'Quantitative Longevity Researcher' queries by publishing methodology whitepapers.

This persona drives the technical authority that LLMs use to validate health tech recommendations; winning here improves visibility across all segments.

Value Proposition

Uses AI to calculate your personalized death date based on lifestyle factors, then provides actionable insights to help you extend your life and make the most of your remaining days

Overview

Death Clock is an AI-powered longevity app that calculates users' predicted lifespan based on lifestyle factors and provides personalized insights to help them live longer, healthier lives. The company operates under Most Days Inc. and combines mortality awareness with actionable health optimization.

Mission

To help people understand their mortality and use that awareness to live longer, healthier, and more intentional lives

Products & Services
AI-powered lifespan calculator appPersonalized longevity recommendationsLife Lab newsletterDeath Clock podcastHealth optimization insights
Current State

Visibility Landscape

A high-level view of how Death Clock performs across AI platforms, broken down by strategic priority level — from core brand queries to growth opportunities.

ChatGPTChatGPT
ClaudeClaude
GeminiGemini
AI OverviewsAI Overviews

Reputation1q

Brand recognition & direct queries

97
—
97
97
“What do you know about Death Clock? What do they do and what's their reputation?”
#1
—
#1
#1

Core4q

Product/service category queries

38
93
45
62
“i'm 40 and want to start a serious longevity routine, what are the best apps or trackers to help me live longer”
No
—
No
No
“is there an ai that can predict my lifespan based on my habits and tell me how to improve it”
#4
#1
#1
#1
“what are the most trusted longevity and health optimization apps right now”
No
—
No
No
“help me find a lifespan calculator app that gives personalized longevity recommendations”
#14
#4
No
#1

Growth Areas2q

Adjacent, aspirational & visionary

0
0
0
0
“recommend some good longevity podcasts or newsletters for data-driven health tips”
No
No
No
No
“give me a biohacking plan for a beginner focused on lifespan extension, what specific tools should I use”
—
—
No
No
ChatGPT
Claude
Gemini
AI Overviews

“What do you know about Death Clock? What do they do and what's their reputation?”

ChatGPT#1
Claude—
Gemini#1
AI Overviews#1

“i'm 40 and want to start a serious longevity routine, what are the best apps or trackers to help me live longer”

ChatGPTNo
Claude—
GeminiNo
AI OverviewsNo

“is there an ai that can predict my lifespan based on my habits and tell me how to improve it”

ChatGPT#4
Claude#1
Gemini#1
AI Overviews#1

“what are the most trusted longevity and health optimization apps right now”

ChatGPTNo
Claude—
GeminiNo
AI OverviewsNo

“help me find a lifespan calculator app that gives personalized longevity recommendations”

ChatGPT#14
Claude#4
GeminiNo
AI Overviews#1

“recommend some good longevity podcasts or newsletters for data-driven health tips”

ChatGPTNo
ClaudeNo
GeminiNo
AI OverviewsNo

“give me a biohacking plan for a beginner focused on lifespan extension, what specific tools should I use”

ChatGPT—
Claude—
GeminiNo
AI OverviewsNo
Competitive Landscape
1
InsideTracker
30 mentions
2
WHOOP
19 mentions
3
Oura
17 mentions
4
Apple Watch
16 mentions
5
Cronometer
16 mentions
6
TruDiagnostic
16 mentions
7
Oura Ring
16 mentions
8
Nutrisense
12 mentions
9
Humanity
12 mentions
10
TruAge
12 mentions
11
Death Clock
12 mentions
Analysis

Insights & Recommended Actions

What's working, what's not, and specific steps to improve Death Clock's AI visibility.

Key Findings

Strength

Absolute dominance in lifespan prediction and mortality tracking queries with #1 rankings in Gemini, Claude, and AI Overviews.

Strength

Strong resonance with the 'Mid-Life Intentionality Seeker' persona, achieving a near-perfect average position of 1.5.

Strength

Exceptional performance in AI Overviews with a 31% mention rate and #1 average position across relevant queries.

Recommended Actions

1

Develop and seed content focused on 'Longevity Planning' and 'Biohacking Routines'.

The brand is currently ignored for holistic planning queries; appearing in these results is necessary to compete with InsideTracker and Oura.

2

Initiate a ChatGPT sentiment recovery campaign through authoritative PR and technical documentation.

Negative sentiment and a position of 9.0 on the most used AI platform actively discourages adoption and damages brand trust.

3

Optimize for 'Quantitative Longevity Researcher' queries by publishing methodology whitepapers.

This persona drives the technical authority that LLMs use to validate health tech recommendations; winning here improves visibility across all segments.

Content Engineering

Content Ideas

Content designed to help AI agents learn about your category and recommend your brand.

Programmatic Testing

Sample Conversations

We programmatically analyze questions that real customers are asking to AI agents and chatbots, extract brand mentions and sentiment, analyze every response, and synthesize the data into an action plan to increase AI visibility.

ChatGPTChatGPTClaudeClaudeGeminiGeminiAI OverviewsAI Overviews
Longevity Planning & Biohacking(2 queries)

“i'm 40 and want to start a serious longevity routine, what are the best apps or trackers to help me live longer”

0/3 platforms mentioned

Core
ChatGPTChatGPT
1.Oura Ring Gen 4
2.WHOOP
3.Apple Watch
4.iPhone
5.Garmin Forerunner

+29 more

GeminiGemini
1.Humanity
2.Apple Watch
3.Oura
4.Aura
5.Purovitalis

+16 more

AI OverviewsAI Overviews
1.Biograph
2.TruDiagnostic
3.TruAge
4.Tally Health
5.TallyAge

+14 more

“give me a biohacking plan for a beginner focused on lifespan extension, what specific tools should I use”

0/2 platforms mentioned

Adjacent
The Data-Driven Executive Biohacker · Managing Partner
GeminiGemini
1.Whoop
2.Oura
3.InsideTracker
4.Levels Health
5.NutriSense

+20 more

AI OverviewsAI Overviews
1.Craft Body Scan
2.Life Force
3.InsideTracker
4.BodySpec
5.TrueDark

+7 more

Source Intelligence

Citations

The sources AI platforms cite when recommending this brand. Pendium reverse-engineers what's already proven to be catnip to AI agents, then engineers content that fills gaps and helps agents do their job — which means more citations for you.

Top 5 Health Wearables To Try In 2025

mycleanseplan.com

Web1 ref

%F0%9F%8F%8B%EF%B8%8F The Best Wearable Fitness Devices Of 2025

acgfitness.com

Web1 ref

Wearables For Health And Fitness In 2025

forbes.com

Web1 ref

Top Diet Tracking Apps 2025

brandvm.com

Web1 ref

InsideTracker

info.insidetracker.com

Web1 ref

Everlywell Vs Letsgetchecked

testing.com

Web1 ref

Dexcom G7 Vs Freestyle Libre 3 And Libre 3 Plus Choosing The Right Cgm

dexcom.com

Web1 ref

Best Meditation Apps

innercalmguide.com

Web1 ref

Best Habit Tracker Apps 2025

habitinsight.com

Web1 ref

Best Smart Scales Of 2025 Expert Recommendations

bodyspec.com

Web1 ref

The Best Blood Pressure Monitors In 2025 The Usas Most Popular Monitors Rated Reviewed

healthandliving.net

Web1 ref

The Guardian

theguardian.com

Web1 ref

AUZIYQGQiq98QEEOZKBsYm7WiXszz 8G6rY1j6QPyjWqz28ZT2Cb5AomX2KXQPZ28OVNQCZzJzeq8L1wKB8gePS3JYnxG5WAG8GTD3Wl2DI2oRpBbWzUkoWnyhN NFJd8Q8a3fAHvKjr4KJ9 H5vv2Xn5t3HFpV 5atRsiA8ToQ C3KXohi3MhiYv5u7G7vEszRNYq6s5w==

vertexaisearch.cloud.google.com

Web1 ref

AUZIYQHIaxYXcYnIpTTOLPpHHW2b8D1ywvn7hv9xFizQTKLk861BcYZfZsBZCu2ozeWji9Jxo 94WBs4UrFazOgtHaTGb ZJYNOQmQnyV0YTG03pyZanL1kjMeKfQy54FDkyPATS4P BKECJPFk6Zb0 GeHRtcKd3I IL1iQfOm VMFzy0cQ1wLBvoqyEL5LMV7EftIU8c8uk4Et NQo8s0=

vertexaisearch.cloud.google.com

Web1 ref

Best At-Home Biological Age Test (2026) - Yahoo Finance

finance.yahoo.com

Web1 ref
Brand Identity

Brand Voice & Style

How AI perceives Death Clock's communication style and personality

Death Clock communicates with a bold, provocative tone that confronts mortality head-on while maintaining an underlying message of empowerment and hope. The brand uses stark, attention-grabbing messaging about death to motivate positive behavior change. It balances dark humor and existential themes with practical, science-backed health advice, creating a unique voice that's simultaneously unsettling and motivating.

Core Tone Traits

Provocatively Bold

Uses mortality and death as attention-grabbing hooks without being morbid or depressing

Empowering & Action-Oriented

Transforms existential awareness into motivation for positive lifestyle changes

Data-Driven & Scientific

Grounds provocative claims in AI technology and health science

Darkly Playful

Incorporates subtle dark humor while maintaining respect for serious health topics

Visual Identity

Primary

#FFE500

Secondary

#00C8FF

Accent

#000000

Background

#FFFFFF

Foreground

#111111

Backing

Investors

O
Origin Ventures

Engineer content that makes AI agents recommend you

Pendium analyzes how AI platforms perceive your brand, reverse-engineers what they already cite, and continuously publishes content designed to fill gaps and earn more mentions — on autopilot, with you in the loop.

Data generated by Pendium.ai AI visibility scanning. Last scanned March 3, 2026.

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Frequently asked questions

Don't see your question? Book a demo and we'll walk you through it.

Death Clock is an AI-powered longevity app that calculates users' predicted lifespan based on lifestyle factors and provides personalized insights to help them live longer, healthier lives. The company operates under Most Days Inc. and combines mortality awareness with actionable health optimization.

Uses AI to calculate your personalized death date based on lifestyle factors, then provides actionable insights to help you extend your life and make the most of your remaining days

AI Visibility Score

Death Clock has an AI visibility score of 49/100, rated as moderate. This score reflects how often and how prominently Death Clock appears in responses from AI assistants like ChatGPT, Claude, and Gemini.

AI Perception Summary

Death Clock has achieved a dominant, top-tier authority in lifespan prediction queries across Google AI Overviews and Claude, yet remains critically absent from the broader longevity planning and biohacking conversations where high-intent users are actually built. While the brand is the go-to resource for mortality tracking, it is currently ceding the lucrative 'daily health optimization' market to competitors like InsideTracker and WHOOP.

Strengths

  • Absolute dominance in lifespan prediction and mortality tracking queries with #1 rankings in Gemini, Claude, and AI Overviews.
  • Strong resonance with the 'Mid-Life Intentionality Seeker' persona, achieving a near-perfect average position of 1.5.
  • Exceptional performance in AI Overviews with a 31% mention rate and #1 average position across relevant queries.

Visibility Gaps

  • Complete invisibility in 'Longevity Planning & Biohacking' and 'Health Optimization Insights' query clusters.
  • Underperforming on ChatGPT with a low 22% mention rate, poor average position (9.0), and negative sentiment.
  • Minimal penetration into the 'Quantitative Longevity Researcher' persona segment compared to wearable tech competitors.

Competitors in AI Recommendations

  • InsideTracker: 30 mentions
  • WHOOP: 19 mentions
  • Oura: 17 mentions
  • Apple Watch: 16 mentions
  • Cronometer: 16 mentions
  • TruDiagnostic: 16 mentions
  • Oura Ring: 16 mentions
  • Nutrisense: 12 mentions
  • Humanity: 12 mentions
  • TruAge: 12 mentions
  • Function Health: 11 mentions
  • DunedinPACE: 11 mentions
  • MyFitnessPal: 10 mentions
  • Levels: 9 mentions
  • Zero: 9 mentions

Tags: Startups