
Gym Life
Health Tracker
JustLog.app
Lifelog
Logg
LogSat Family Tracker
Optimized
A private, all-in-one life tracker for iPhone that keeps everything on your phone. Track Everything. Share Nothing.

Gyroscope
Daylio
Bearable App
Habitica
Everyday
Streaks
HabitBull
Track everything in one place, understand your life.

Which is more popular?
Based on our record, Exist seems to be more popular. It has been mentioned 43 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | logzero.app | exist.io |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
No description of Exist yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Exist yet.
Walkthroughs and reviews on video.
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Exist - Board Game Review
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using LogZero.app and Exist. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking LogZero.app since Jun 2026.
As someone who has been on and off the Degoogle train (I ran full LineageOS without Google Play at one point) and is now pretty deep in iOS territory, I'd say the main thing for me has been email. I've used https://www.fastmail.com for a... - Source: Hacker News / almost 2 years ago
You may want to look into https://exist.io/. It's a very indie developer duo out of Australia (IIRC). And also IIRC they were looking for a buyer on Twitter some time ago. - Source: Hacker News / about 3 years ago
I have used this previously when tracking health metrics and I couldn't much else that had integrations. https://exist.io/. - Source: Hacker News / about 3 years ago
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Daylio enables you to keep a private diary without having to type a single line.
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The minimalist workout tracker that gets out of your way
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