🧪

TR8CE

In-depth review
Free
Health & Fitness

TR8CE is a PWA for peptide users, offering a COA grader, reconstitution calculator with BAC water math, and U-100 syringe units. It includes a vial tracker, injection site map, and the BioVault for local data storage, operating without requiring an account. It supports grading a Certificate of Analysis in about ten seconds.

Catalogued September 7, 2026 · Curated by PWA Directory team
🧪TR8CE
tr8ce.app

TR8CE opens in a browser tab — no download.

Online Only
Installable
Cross-Platform
✓
Free

Not sure how to add TR8CE to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.

Own TR8CE? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.

Tags
peptide-calculatorcoa-graderreconstitution-toolbio-vaultdose-trackerhealth-utilitylocal-firstno-account

How to install TR8CE as a PWA

Chrome / Edge
Menu (⋮) → Add to Home screen
Safari (iOS)
Share (↑) → Add to Home Screen
Firefox
Menu (⋮) → Install

Why we recommend TR8CE

TR8CE stands out as a specialized PWA catering to the niche of peptide use. Its core functionality, a Certificate of Analysis (COA) grader, streamlines the process of evaluating lab reports by reading them on-device in approximately ten seconds, supporting images or PDFs. The app also provides a comprehensive reconstitution and dosage calculator, incorporating BAC water math and displaying units on a live U-100 syringe graphic for precision. The BioVault feature, storing vials, doses, and injection sites exclusively on the device, emphasizes privacy and local-first data management. This combination of practical tools and privacy-focused design makes it a valuable resource for its target audience.

Best use cases

Best for: Individuals needing to quickly grade peptide Certificates of Analysis from screenshots, photos, or PDFs. Ideal for users who require precise peptide reconstitution calculations, including BAC water math and accurate U-100 syringe measurements. Suitable for tracking peptide vials, doses, and injection sites locally on their device without the need for an account or cloud storage. Also useful for those who want to manage their protocols and track daily usage.

Honest limitations

TR8CE is explicitly designed for peptide calculations and COA grading; it is not a general health tracker or medical diagnostic tool. There is no evidence of offline support from the provided information, meaning a persistent internet connection may be required for full functionality. While local-first storage enhances privacy, it also means data is not synced across multiple devices. The app's focus is on practical calculation and tracking rather than providing extensive educational content beyond what's in 'The Vibe Journal'.

Are you the maker of TR8CE? Claim this listing →

Similar to TR8CE

Phylax

A privacy-focused, German-language health profile app that stores personal health records locally with AES-256 encryption, using no cloud services and requiring no account. Suitable for managing your own health data or keeping a care profile for a relative, with full data sovereignty.

Recipe Jar

Recipe Jar is a local-first recipe keeper that allows users to paste a recipe link and save a clean card of just the ingredients and steps. The app keeps recipes on your device and operates without an account or ads. It is free forever and requires JavaScript to run.

Laundristic

Local-first, offline Progressive Web App for tracking laundry: catalog your garments, log each drop-off at the cleaners, and keep proof of every pickup. All data stays on your device with no accounts or cloud service, suiting privacy-conscious users who regularly use laundry services.

Boxbreathing

Boxbreathing is a free, distraction-free progressive web app designed for box breathing exercises. Users can set custom intervals and session lengths to practice this calming technique. It aims to reduce stress and improve focus without requiring an account or displaying ads.

DoHabit

DoHabit is a minimalist habit tracker that works offline and requires no account. Users mark habits daily, watch progress on charts, and keep a personal habit journal. It suits people who want a private, friction-free alternative to heavier habit apps like Habitica.

Grid Puzzles Games

Grid Puzzles Games offers five daily logic puzzles: Mini Sudoku, Patches, Wend, Pips, and Zip. It provides unlimited play, a new puzzle every day, and options for various difficulty levels. The app is free to use and does not require an account.

Own a PWA? See the listing options — standard submission is free.

Get the monthly pick
Double opt-in — nothing is sent until you confirm. Unsubscribe any time.