Software Alternatives, Accelerators & Startups

JustLog.app VS LogZero.app

Compare JustLog.app VS LogZero.app and see what are their differences

JustLog.app logo JustLog.app

The minimalist workout tracker that gets out of your way

LogZero.app logo LogZero.app

A private, all-in-one life tracker for iPhone that keeps everything on your phone. Track Everything. Share Nothing.
Not present
  • LogZero.app Dashboard Module
    Dashboard Module //
    2026-06-15
  • LogZero.app Food Tracker Module
    Food Tracker Module //
    2026-06-15
  • LogZero.app Exercise Tracker Module
    Exercise Tracker Module //
    2026-06-15
  • LogZero.app Mood Tracker Module
    Mood Tracker Module //
    2026-06-15
  • LogZero.app TODO Tracker Module
    TODO Tracker Module //
    2026-06-15
  • LogZero.app Medication Tracker Module
    Medication Tracker Module //
    2026-06-15
  • LogZero.app Correlation Module
    Correlation Module //
    2026-06-15
  • LogZero.app Meditation Tracker Module
    Meditation Tracker Module //
    2026-06-15
  • LogZero.app Weight Tracker Module
    Weight Tracker Module //
    2026-06-15

LogZero is the all-in-one private life tracker for mood, habits, food, weight, exercise, meditation, medication, todos and more. Everything stays on your iPhone. No ads. No cloud. No accounts. No analytics. LogZero has security and privacy integrated into it's DNA. LogZero is built by Andrew Hoffman, LLC โ€” owned by Andrew Hoffman: a cybersecurity architect, author and educator.

ONE OFFLINE APP FOR YOUR ENTIRE DAY

Mood module โ€” multi-step daily entries with emotions, activities, gratitude notes, and free-form text. The depth of a private diary, the speed of a tap. Food module โ€” daily recording of macros against your own targets. Can be configured to track additional vitamins, nutrients and supplements. Scan labels or log manually. Weight module โ€” log weight over time, set goals, configure charts for easier data review. Exercise module โ€” log workout minutes rapidly and build data to see how your workouts impact your mood and weight. Todo module โ€” prioritized, filterable cross-day tasks with tags, completion trends, and a planning view. Meditation module โ€” daily meditation tracking tied to correlations module to show it's impact on your mood. Medication module โ€” schedule medication and supplement protocols, adherence tracking, prescription refill reminders and more. Correlation module โ€” analyze data from all the other modules to draw insights into what is impacting your weight, mood and behavior. Correlation module โ€” the most important insights from the other modules, charted, configurable and readable at at glance.

100% PRIVATE. 100% ON-DEVICE.

LogZero has no servers. None. Every entry โ€” every mood, meal, weight, symptom, medication dose, and meditation minute lives on your device and nowhere else. We can't see your data by design, and this sets our app apart from almost every competitor.

JustLog.app

Pricing URL
-
$ Details
freemium ยฃ1.79 / Monthly
Platforms
-
Release Date
-

LogZero.app

$ Details
freemium
Platforms
iOS iPhone
Release Date
2026 June
Startup details
Country
United States
State
Washington
City
Seattle
Founder(s)
Andrew Hoffman
Employees
1 - 9

JustLog.app features and specs

  • Simple and focused
    JustLog.app provides a straightforward, minimalist approach to logging and journaling, making it easy to quickly capture thoughts and entries without unnecessary complexity or feature bloat.
  • Fast entry creation
    The app is designed for speed, allowing users to quickly jot down log entries with minimal friction, which encourages consistent daily logging habits.
  • Clean user interface
    JustLog.app features a clean, distraction-free interface that keeps the focus on writing and reviewing log entries rather than navigating complex menus or settings.
  • Lightweight application
    As a focused logging tool, the app remains lightweight and doesn't consume excessive system resources or storage space, making it accessible and quick to load.
  • Low barrier to entry
    The app requires minimal setup and learning curve, making it approachable for users who want to start logging immediately without spending time configuring options or learning complex features.

Possible disadvantages of JustLog.app

  • Limited feature set
    Due to its minimalist approach, JustLog.app may lack advanced features found in more comprehensive journaling or note-taking applications, such as rich text formatting, tagging systems, or media attachments.
  • Limited brand recognition
    As a smaller, niche application, JustLog.app may not have the widespread community support, extensive documentation, or third-party integrations that more established apps offer.
  • Potentially limited export options
    Smaller logging apps sometimes offer limited data export capabilities, which could make it difficult to migrate entries to another platform if users decide to switch tools.
  • Uncertain long-term support
    As a lesser-known app, there may be concerns about the long-term viability and continued development of the product, including regular updates and bug fixes.
  • Limited platform availability
    The app may not be available across all platforms and devices, potentially limiting accessibility for users who work across multiple operating systems or need seamless cross-device synchronization.

LogZero.app features and specs

  • Dashboard
    Quick and easy insights into other modules
  • Food Tracker
    Track macros, nutrients, vitamins and more with trend charts and goals
  • Meditation Tracker
    Track meditation, listen to on-device generated binaural beats
  • Exercise Tracker
    Update and log workouts, track calories burned, sync with Apple Health
  • TODO Tracker
    Create and update TODO items, sort and filter and tag. Optimized for productivity.
  • Medication Tracker
    Add and update medications. Set medication reminders. Set prescription renewal reminders. See adherence charts.
  • Mood Tracker
    Log moods, correlate moods with activities and environmental factors. See trends over time.
  • Weight Tracker
    Log weights, syncs with Apple Health (and Apple Health integrated scales)
  • Correlation
    View correlations between all other modules to draw insights. What exercises lead to weight loss? What activities impact your mood?

Category Popularity

0-100% (relative to JustLog.app and LogZero.app)
Health And Fitness
100 100%
0% 0
Productivity
0 0%
100% 100
Fitness Tracker
100 100%
0% 0
Task Management
0 0%
100% 100

Questions & Answers

As answered by people managing JustLog.app and LogZero.app.

How would you describe the primary audience of your product?

JustLog.app's answer

Regular gym Goers

Which are the primary technologies used for building your product?

JustLog.app's answer

Kotlin, jetpack compose, firebase

What makes your product unique?

JustLog.app's answer

It is the most minimalistic workout logging app

Why should a person choose your product over its competitors?

JustLog.app's answer

Minimalism, no nitifications, no social media feed, only tracking

What's the story behind your product?

JustLog.app's answer

I was frustated with using hevy app, my home screen for workout tracking looks like instagram, it was hard to find whats my next routine. Tahts how Justlog was born

Who are some of the biggest customers of your product?

JustLog.app's answer

We are early stage,trying to get initial users now

User comments

Share your experience with using JustLog.app and LogZero.app. For example, how are they different and which one is better?
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What are some alternatives?

When comparing JustLog.app and LogZero.app, you can also consider the following products

Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.

Gym Life - The best gym tracker available on iPhone, Android and Apple Watch.

Health Tracker - Habit Tracker: The easiest way track your overall wellness

Strong.app - Strenght training logger.

Lifelog - Lifelog is the clever activity tracker app for Android that keeps track of what matters to you โ€“...

PhysioTracker.app - A simple, private physio exercise tracker for logging rehab exercises, marking sessions complete, and tracking progress over time. No account; no cloud; works offline.