
Gyroscope
Daylio
Bearable App
Habitica
Day One
Everyday
ProductiveApp.io
Track everything in one place, understand your life.

Peptide Tracker
Oligo
PepLedger
BioHack Track
Medisafe Pill & Med Reminder
PeptideCalculator.site
Pill Reminder & Medication Tracker
Supplement tracker and scanner app — track your supplements, build your stack, and get clarity on safety and optimization.

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 | exist.io | biostacks.co |
| Pricing | — | |
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What each product offers, as listed by its team.


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


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


As answered by people managing Exist and BioStacks.
BioStacks's answer:
Nextjs + Capacitor.
BioStacks's answer:
BioStacks helps you understand exactly what you're taking, build smarter stacks, and get personalized insights—so you can make informed decisions about your health.
BioStacks's answer:
Our supplement scanner is clinically accurate, with unique algorithms and a proprietary supplement analysis engine. Oh, an it's also FREE!
BioStacks's answer:
Health enthusiasts, and supplement users.
BioStacks's answer:
No app currently delivers or solves the supplement ranking space. BioStacks is here to solve that problem.
Share your experience with using Exist and BioStacks. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


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
Tracking BioStacks since Mar 2026.
When comparing Exist and BioStacks, you can also consider the following products.

Gyroscope is a personalized dashboard for tracking your life.
Compare Gyroscope to Exist or BioStacks:

Track treatments, schedule doses, model half-life curves, and monitor health markers. Private by default. 60,000+ downloads.
Compare Peptide Tracker to Exist or BioStacks:

Daylio enables you to keep a private diary without having to type a single line.
Compare Daylio to Exist or BioStacks:

A premium iPhone peptide tracker for schedules, records, vials, and progress.
Compare Oligo to Exist or BioStacks:


See exactly what's active in your system. The most complete research-tracking app for peptides, supplements, medication and any kind of protocol. Plenty of features like AI assistant, compound half-life, lab reports and fact check, dose/cycle logs
Compare PepLedger to Exist or BioStacks: