Blood Pressure Tracker • icon
Blood Pressure Tracker (Paid) icon
Employee Time & Schedule icon
+14

App Sub 1

For sMB owners, freelancers, and individuals tracking chronic health metrics who prioritize data ownership and offline access.

17apps3.9(224.6K) Multi-theme

Snapshot

Who is App Sub 1?

Providing offline-first business utilities and health tracking tools for SMBs, freelancers, and individuals managing chronic conditions.

Target audience

SMB ownersFreelancersIndividuals tracking chronic health metrics who prioritize data ownership

Active nemesis

Evolve Medical Systems

Other rivals

Portfolio

Free 11
17
apps
Business10
Medical3
Productivity3
Finance1

Last updated

Mileage Tracker

v5.56.0

4mo ago

Active

Publisher DNA

What defines App Sub 1?

Publisher DNA

Primary focus

Business utilities and medical tracking applications

Scale

studio

Target audience

SMB owners, freelancers, and individuals tracking chronic health metrics who prioritize data ownership and offline access.

Origin

Founded in 2010 by a team with experience in large-scale systems development.

Active

Portfolio momentum

Released 27 updates in the last 6 months, maintaining active development across 70% of the portfolio.

Last release 6d agoActive apps 14Abandoned 6

Company profile

medium confidence
Headquarters
Hong Kong
Founded
2010

Portfolio

What does App Sub 1 ship?

Apps

17 apps analysed

Blood Pressure Tracker • icon
Blood Pressure Tracker •

Easy monitor your blood pressure

4.6(26.8K)
View Intel →

Multi-metric logging interface centralizes health data entry to increase daily usage frequency

  • The simple and logical interface allows users to track health metrics with minimal friction
  • Application crashes or fails to open entirely following recent platform updates
Blood Pressure Tracker (Paid) icon
Blood Pressure Tracker (Paid)

Easy track your blood pressure

4.8(102)
View Intel →

Multi-format export utility provides direct value for physician consultations

  • Simple and intuitive interface design allows users to track medical data without unnecessary complexity
  • Aggressive review prompts interrupt the user experience and create annoyance during daily usage
Employee Time & Schedule icon
Employee Time & Schedule

Allows your mobile devices to be a time clock system at anywhere

0.0
View Intel →

A1C estimation provides long-term health value

  • Estimated A1C tracking provides valuable health insights for long-term diabetic management
  • Frequent application crashes during startup or data synchronization break the daily logging habit
Mileage Tracker icon
Mileage Tracker

Easy way keep track your vehicle mileage for tax/business

4.8(97.6K)
View Intel →
  • Accurate tracking of business trips provides a reliable alternative to legacy mileage logging tools
  • Persistent GPS latency issues after the latest update degrade the reliability of trip logging

Distributed across 19 markets, strongest in Europe.

Based on 4 of 17 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • United States4 / 4
  • Canada3 / 4
  • Brazil2 / 4
  • Mexico2 / 4

Europe (8)

  • United Kingdom3 / 4
  • France2 / 4
  • Germany2 / 4
  • Italy2 / 4
  • Portugal2 / 4
+3 more europe markets
  • Spain2 / 4
  • Turkey2 / 4
  • Netherlands1 / 4

Asia-Pacific (7)

  • Australia3 / 4
  • India2 / 4
  • Indonesia2 / 4
  • Japan2 / 4
  • Singapore2 / 4
+2 more asia-pacific markets
  • Vietnam2 / 4
  • South Korea1 / 4

Core markets (4/4 apps)

United States

User Sentiment

How do users feel about their apps?

Unlock the app dragging this portfolio down.

Access the full report for free

Rivals

Who does App Sub 1 compete with?

The rivals identified

Nemeses(3)

Evolve Medical Systems

known forBlood Pressure Tracker SmartBP

1 app4.5Medical

This is the dominant market leader in the blood pressure tracking niche, maintaining a massive user base and high-frequency update cadence.

mySugr

known formySugr - Diabetes Tracker Log

1 app4.5Medical

A highly successful chronic condition tracker that serves as a benchmark for user engagement in the medical category.

Timo Partl

known forWorkingHours • Time Tracking

2 apps4.8Business

WorkingHours targets the same freelancer audience but applies severe pricing pressure by offering a free, ad-free alternative to Timesheet Pro's $36.99 upfront cost.

Contenders(7)

MediSafe

known forMedisafe Medication Management

1 app4.7Medical

A strong contender that captures the medication adherence segment, which is a critical companion behavior to blood pressure monitoring.

Abbott Labs

known forLibre by Abbott

1 app4.6Medical

A hardware-tethered application that captures users through essential medical device connectivity rather than just software features.

AliveCor

known forKardia

1 app4.8Medical

A specialized medical competitor that dominates the cardiac monitoring space with high-trust clinical hardware integration.

Azumio

known forGlucose Buddy Diabetes Tracker

1 app4.8Medical

A long-standing, specialized diabetes tracker that maintains a strong niche presence through consistent, focused feature updates.

BGPworks

known forInventory Management - BoxHero

1 app4.2Productivity

A modern, streamlined contender that simplifies complex warehouse tasks into a mobile-friendly interface.

Differentiators

  • Expertise in logistics software optimization
  • Rapidly growing user base due to a clean, ad-free experience
Light Room Studios

known forMileage Log+ Trip Log Tracker

1 app2.8Finance

A direct functional peer that mirrors the target app's one-time purchase model and reliance on manual/GPS tracking with similar Dropbox sync capabilities.

Differentiators

  • Proven track record of building high-utility, award-winning productivity tools
  • Expertise in creating streamlined, 'system-style' apps that feel native to the OS
  • Strong reputation for data privacy and local-first storage options
SILVERWIZ

known forMileWiz 2022 - Car Mileage Log

1 app4.6Finance

A strong alternative for users seeking the same privacy and simplicity as the target app but with modern automation features.

Differentiators

  • Specialized focus on mileage tracking and productivity automation
  • Consistent update cycle ensuring compatibility with the latest iOS versions
  • Strong focus on user privacy and data security

Same space(10)

ATOSS Aloud

known forCrewmeister Time Tracking

1 app4.5Business

This tool expands the time tracking utility into broader workforce administration by including vacation planning and shift scheduling for small businesses.

Berry Wing LLC Android

known forScan to Spreadsheet

1 appProductivity

A pure utility peer that focuses exclusively on the workflow of scanning barcodes directly into data formats like CSV.

Differentiators

  • Specialized in barcode scanning utilities for industrial use
  • Strong reputation for reliability in 'no-frills' data collection
joshone

known forCalculator: Easy Calculator

1 app4.3Business

This app acts as a utility companion for users who require quick mathematical or financial conversions alongside their primary time tracking tasks.

Labhouse Mobile

known forInvoice Maker - Invoice Fly

2 apps4.8Business

This app captures the billing workflow that follows time tracking, serving as a secondary tool for freelancers who need to convert logged hours into paid invoices.

LifeScan

known forOneTouch Reveal® app

1 app4.8Medical

An enterprise-backed medical tracker that leverages brand trust and hardware ecosystem lock-in.

Reuben Omolu

known forhurdlr

1 app4.3Finance

A broader financial tool that captures mileage alongside income and taxes, appealing to the same freelancer demographic as the target app.

Differentiators

  • Strong positioning within the 'solopreneur' and gig economy ecosystem
  • Highly rated for its automated tax-filing integrations
TEC-IT Datenverarbeitung

known forScan-IT to Office

1 app4.7Productivity

A professional-grade data acquisition tool used by warehouse managers for remote stocktaking.

Differentiators

  • Decades of experience in barcode and labeling software
  • Strong enterprise-level security and reliability standards
When I Work

known forWhen I Work Team Scheduling

1 app4.8Business

This platform shifts the focus from individual time logging to team-based workforce management, addressing the needs of managers who oversee multiple employees.

Withings

known forWithings

1 app4.6Medical

The primary ecosystem app for users who own Withings blood pressure cuffs, representing the hardware-integrated side of the market.

Differentiators

  • Premium hardware-software integration
  • High brand recognition in the consumer health tech space
Zoho

known forInventory Management App -Zoho

1 app4.6Productivity

Part of the broader Zoho ecosystem, this app is used by businesses that need inventory to connect directly to accounting and CRM.

Differentiators

  • Massive global infrastructure and enterprise-grade security
  • Ability to scale from a single user to a multi-national corporation

New entrants(5)

Itemtopia

known forItemtopia Inventory

1 app4.5Productivity

An emerging threat that combines asset management with inventory, offering a highly modern and flexible data structure.

Differentiators

  • Innovative approach to 'item lifecycle' management
  • Strong focus on the convergence of personal and small business asset tracking
PulsePoint Foundation

known forPulsePoint Respond

1 app4.8Medical

An emerging emergency-response-focused health app that leverages real-time location data for life-saving interventions.

TECHBOX PLT

known forMobi POS - Point of Sale

1 app3.7Business

A rising threat that mimics W&O's 'offline-first' and 'no monthly fee' (optional) approach but with a more modern iPad-native interface.

Differentiators

  • Agile development with frequent feature updates
  • Strong focus on hardware flexibility and legacy printer support
US Department of Veterans Affairs (VA)

known forVA: Health and Benefits

1 app4.8Medical

A rapidly growing government-backed health platform with high update velocity and massive user trust.

Voluntis

known forMigraine Buddy: Track Headache

1 app4.8Medical

An emerging specialized tracker demonstrating high velocity and a strong focus on symptom-specific data logging.

Frequently asked questions

How many apps does App Sub 1 publish?
App Sub 1 has 17 apps tracked by Marlvel, primarily in the Business category.
What kind of apps does App Sub 1 make?
App Sub 1's portfolio is concentrated in Business and Medical, with an average rating of 3.9/5 across rated apps.
What is App Sub 1's top app?
By review volume across the portfolio, Mileage Tracker is App Sub 1's best-known app tracked by Marlvel.
In how many countries are App Sub 1's apps available?
Marlvel has tracked App Sub 1's apps across 19 countries.

What fed this analysis

Apps analyzed:
20
With full intel:
17
With overview:
20
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by App Sub 1, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “App Sub 1 intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/app-sub-1-llc

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Data licensed under CC-BY-NC 4.0