250+ iOS apps & games curated and reviewed
The best water challenge apps and games on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (2.1K) | Yes | No | Oct 2026 | |
| 2 |  | Free | 4.9★ (162K) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.6★ (24K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 4.5★ (20K) | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.6★ (22K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | 4.6★ (26K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | — | Yes | Yes | May 2026 | |
| 8 |  | Free | 3.0★ (1) | No | Yes | Oct 2026 |
This app combines physics puzzles with vocabulary challenges. Pour colorful letter-waters between cups to spell words, with modes for word completion, speed spelling, and creative play. Expand your vocabulary and improve spelling through innovative gameplay.
This app helps you stay hydrated with smart reminders and fun challenges. Track your water intake from various beverages, collect cute characters, and reach your daily hydration goals. It offers personalized recommendations and syncs with Apple Health.
This app helps you maintain regular hydration by calculating your daily water intake needs and sending timely reminders. It offers statistics, motivational awards, and useful tips to encourage healthy fluid consumption. Integration with Apple Watch and Apple Health enhances its functionality.
