Dopa AI vs JustWater
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dopa AI
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Dopa helps you understand how your daily habits affect your brain. Modern life is full of instant stimulation — social media, scrolling, junk content — leading to dopamine overload, low focus, and burnout. Dopa gives you a simple way to track and improve your dopamine balance. WHAT YOU CAN DO: Track your daily dopamine balance See artificial vs natural stimulation Visualize dopamine spikes throughout the day Log activities in seconds Build awareness of your habits WHY IT WORKS: Dopa doesn’t try to control you. It helps you understand your behavior — so you can change it. FOR WHO: People struggling with focus Screen time / social media overuse ADHD & overstimulation Self-improvement and discipline Simple. Fast. Insightful.
JustWater
This app helps you monitor your daily water consumption. Set personal hydration goals, log various drinks quickly, and view your progress over time. It offers home screen widgets and syncs with Apple Health for comprehensive wellness tracking.
- Daily water intake tracking
- Custom drink logging
- Home Screen widgets
- Apple Health sync
- Goal completion statistics
- Local hydration reminders
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JustWater is a simple and calm hydration tracker for iPhone. Set a daily hydration goal, quickly log water and other drinks, review your history, use Home Screen widgets, sync your entries with Apple Health, and track how consistently you reach your goal. Features: - Daily water intake tracking - Quick add buttons - Custom drink entries - Drink type selection - Daily goal calculator - History by day, week, month, and year - Goal completion statistics - Home Screen widgets - Apple Health sync - ml and fl oz support - Local hydration reminders - Light, dark, and system appearance modes - English and Russian localization JustWater is designed for general wellness tracking and is not medical advice. Your data stays on your device. JustWater does not require an account and does not use ads, analytics, or tracking.
Screenshots
Verdict
Dopa AI and JustWater are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 | Dopa AI | JustWater |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Mavr Mavrin | Aleksandr Kazanskii |
In-app purchases
Dopa AI
No in-app purchases
JustWater
No in-app purchases





