Dojoism/ Apps/ Cup8
Cup8 app icon
Health & Fitness iOS

Cup8

Water tracking without the lecture.

Cup8 is a minimal iOS water tracker for quick drink logging, custom quick-add amounts, history, reminders, widgets, export, a 7-day trial, and optional Apple Health sync.

Quick answer

When to choose Cup8

Choose Cup8 if you want to log water in seconds, see today's progress, and keep hydration records local by default. It supports custom quick-add amounts, reminders, widgets, exports, and optional Apple Health read/write sync without accounts or social pressure.

What it does

Built for one clear job

Fast daily logging
Tap a quick amount, enter a custom amount, undo a recent add, and see progress toward today's goal immediately.
Editable history and gentle stats
Add past entries, edit or delete entries, review a 7-day bar chart, current streak, and a compact monthly summary.
Local-first with optional Health sync
Stores entries with SwiftData, mirrors selected widget data locally, and can write, replace, or delete matching Apple Health water samples after permission.
Product facts

Product fit and data model

Category
Health & Fitness
Platform
iOS
Privacy model
Local-first water records. Optional Apple Health access is controlled by iOS; Dojoism does not receive Health data or hydration records.
Data and sync
On-device storage, App Group widget data, optional Apple Health read/write, no Dojoism server sync.

Best for

  • People who want fast milliliter-based drink logging.
  • Users who want a simple daily goal, 7-day trend, streak, and monthly summary.
  • iPhone users who want optional Apple Health integration while keeping Dojoism out of their data.

Not built for

  • People who want coaching plans, nutrition scoring, community challenges, or server-based hydration analytics.
Dojoism note

Best fit: Cup8 is for calm water tracking with custom quick-add presets, local reminders, widgets, CSV/JSON/text export, and optional Apple Health sync.

FAQ

Common questions

What is Cup8 best for?

Choose Cup8 if you want to log water in seconds, see today's progress, and keep hydration records local by default. It supports custom quick-add amounts, reminders, widgets, exports, and optional Apple Health read/write sync without accounts or social pressure.

Does Cup8 require an account?

Cup8 is designed around the Dojoism standard of avoiding mandatory accounts when the core app can work locally. Local-first water records. Optional Apple Health access is controlled by iOS; Dojoism does not receive Health data or hydration records.

Who should not choose Cup8?

People who want coaching plans, nutrition scoring, community challenges, or server-based hydration analytics.

Version history

What's included

1.0 May 2026 Updated scope. Custom onboarding, daily goal editing, custom quick-add presets, local reminders, widget refreshes, editable history, HealthKit write/replace/delete behavior, JSON/plain-text/CSV export, 7-day trial, and one-time Cup8 Lifetime purchase flow.
Download on the App Store Support Privacy