Marked vs WaterLoop
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Marked
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Marked is a single-purpose app to track workout days. Just one question: did you work out today? Marked helps you stay consistent by focusing on presence, not performance. - Track workout days on a simple calendar - Mark today with Siri or Shortcuts - Set a weekly goal - See just enough stats - Designed to stay calm and minimal No subscriptions, no account, no ads, no clutter.
WaterLoop
This app helps you build a consistent daily water habit with a visually engaging hydration tracker. Log intake quickly, monitor progress with a fluid orb, and receive optional reminders. It prioritizes privacy by keeping all data on your device.
- Fluid progress orb visualization
- Quick-add and custom logging
- Personalized daily hydration goals
- Daily log with swipe-to-delete
- Streak tracking for consistency
- Optional hydration reminders
- Privacy-focused, on-device data
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WaterLoop is a calm, beautifully designed hydration tracker that helps you build a consistent daily water habit. Log your water intake in seconds using quick-add presets or enter a custom amount. Watch your fluid orb fill throughout the day as you get closer to your goal. When you hit your target, WaterLoop celebrates the moment. FEATURES Fluid Progress Orb — a live visualization that rises as you hydrate, evolving in color from morning to goal Quick-Add Logging — tap once to log 100 mL, 250 mL, or 500 mL. Enter any custom amount instantly Daily Goal — set your personal hydration target in mL or oz Today's Log — see every entry for the day with swipe-to-delete Streaks — build daily consistency and track your longest streak Last 7 Days — a weekly bar chart and day-by-day breakdown of your intake Hydration Reminders — optional local notifications at your chosen frequency and start time Privacy First — everything stays on your device. No account, no cloud, no tracking WaterLoop is not a medical app. Always consult a healthcare professional for medical advice related to hydration.
Screenshots
Verdict
The clearest difference is iOS requirement: WaterLoop at 17.6 against Marked's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Marked | WaterLoop |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 51 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Axel Zareb | Kyrantis AI Technologies Inc. |
In-app purchases
Marked
No in-app purchases
WaterLoop
No in-app purchases









