Challenge vs Drink Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Challenge
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Challenge Accepted is an all inclusive activities app that allows the user to Geo-Tag activities, or “challenges” that they have completed in the area. Users can create, delete, complete challenges, and is able to access to all of the challenges created by them and other users alike. Challenge Accepted was created to give the user a space to recognize that they can be active without having to go to the gym. Challenges range from running a mile, or climbing a mountain, to running up the stairs or shooting paper into the recycling bin. Challenge Accepted helps users recognize how active they already are and can be in their day to day lives.
Drink Flow
This app helps you stay hydrated with smart reminders and easy logging. It offers personalized goals, tracks your progress, and helps build consistent healthy habits.
- Smart water reminders
- Personalized hydration goals
- One-tap intake logging
- Daily progress view
- Streaks & weekly trends
- Custom reminder schedule
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Drink Flow helps you drink enough water every day with smart reminders, quick logging, and clear progress. Whether you work at a desk, train regularly, manage sugar intake, or just want better habits, Drink Flow keeps hydration simple and consistent. Why people choose Drink Flow: • Smart Water Reminders: notifications match your routine, so reminders feel helpful, not noisy. • Personalized Hydration Goals: goals adapt to your profile, activity level, weather, and seasonal changes. • One-Tap Intake Logging: record each drink in seconds with minimal friction. • Daily Progress View: see how close you are to your target and stay motivated. • Streaks & Weekly Trends: build consistency over time and track real improvement. • Custom Reminder Schedule: choose time windows and frequency that fit your day. • Lightweight Experience: fast setup, clean interface, and low interruption. Built for: • Busy professionals who forget to drink water • Students and creators who stay focused for long hours • Fitness, fat-loss, and wellness users • Anyone building a healthier daily routine Start now and log your first glass with Drink Flow.
Screenshots
Verdict
The clearest difference is price: Challenge at Free against Drink Flow's $2.99. Challenge also leads on iOS requirement (13.0 vs 15.6). On 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
Challenge is free to download; Drink Flow costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Challenge | Drink Flow |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 80.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Jackson Tubbs | Feng Chen |
In-app purchases
Challenge
No in-app purchases
Drink Flow
No in-app purchases









