| Feature |  Waterllama |  Drink Water Reminder |  WaterChamp |
|---|---|---|---|
| Realtime hydrationEstimates when you'll be thirsty again | ✕ | ✕ | ✓ |
| Beverages in free version | Water only | — | 62 |
| Caffeine metabolismCurve with future projection | ✕ | ✕ | ✓ |
| Coffee reminderReminds you before the last coffee deadline | ✕ | ✕ | ✓ |
| Caffeine, calories and alcohol tracking | — | — | ✓ |
| Alcohol and BAC estimation | ✕ | ✕ | ✓ |
| Interactive widgetsTrack hydration and log drinks from homescreen | ✓ | — | ✓ |
| Apple Watch app | ✓ | ✓ | coming soon |
| Apple Health sync | ✓ | ✓ | ✓ |
| Health Connect sync | ✕ | — | coming soon |
| Apple App Store | ✓ | ✓ | ✓ |
| Google Play Store | ✕ | — | coming soon |
| Main focus | Reaching a daily goal and coloring the mascot animal | A reminder-first water tracker | Full hydration tracker with advanced metabolism features and caffeine tracking |
What both apps miss
Neither app documents a realtime hydration estimate, a caffeine metabolism curve, a last-coffee reminder or per-drink caffeine, calorie and alcohol values. WaterChamp has all of it, and its full 62-drink list is free.
Screenshots
Waterllama
Drink Water Reminder
More comparisons: Waterllama alternatives · Drink Water Reminder alternatives · all comparisons
Waterllama and Drink Water Reminder N Tracker are trademarks of their owners. Details and screenshots come from their public App Store listings, checked 13 August 2026.
