ENCOOL vs Sterk.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ENCOOL
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ENCOOL Smart Water Bottle It is an intelligent hydration device that measures users' water intake and provides timely reminders for replenishment: 1. It calculates personalized daily water consumption targets based on various factors such as weight, age, height, gender, activity level, and weather etc. Then, the drinking data can be synced to the mobile APP and displayed on the water cup screen. It is capable of monitoring real-time daily water intake targets and providing timely reminders to drink water. Besides, it can automatically generate water consumption reports on the app; 2. It can intelligently calculate user's water consumption targets based on their physical activity and local weather conditions; 3. It can share the water drinking chellenges with family and friends through social groups in time, and points can be redeemed for rewards by sharing; 4. It can share the water drinking situation on Facebook; 5. It can be synced on Apple Watch; 6. The water bottle screen can show real-time water temperature, water volume, today's water intake percentage, and power (flip screen). It can also prompt the user to drink water through the light and display "like" prompts. 7. The handle light display will illuminate with vibrant LED lights: coloful LEDs, running and breathing, single color and colorful color with custom settings. It reminds different information through light colors and effects. 8.Light will show different colors in different situations. ①The light shows blue when the water temperature is -5℃-35℃. ②The light shows green when the water temperature is 35 ~ 75 °C. ③The light shows red when the water temperature is greater than 75 °C. ④The light will show purple when the battery is short of power. ⑤When charging, the light will be a purple breathing effect. Users can also customize the effect of the light in the APP.
Sterk.
Effortlessly log your exercise sets with intelligent predictions and review comprehensive statistics for each movement and training session. This streamlined application is designed to help you achieve your fitness objectives.
- Smart set prediction
- Detailed exercise stats
- Workout logging
- Intuitive interface
- Fitness goal tracking
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Sterk makes tracking your workouts easy. Log your sets quickly with smart set prediction and check out detailed stats for every exercise and workout. It’s minimal, intuitive, and designed to help you stay on top of your fitness goals. Terms of Use (UELA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sterkapp.github.io/privacy-policy/
Screenshots
Verdict
The clearest difference is update cadence: Sterk. at every 3 weeks against ENCOOL's every 3 months. ENCOOL's advantage is iOS requirement (11.0 vs 16.4). 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.
ENCOOL ships an update every 3 months, Sterk. every 3 weeks. Both last shipped on November 12, 2026.
| Parameter | ENCOOL | Sterk. |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (5 ratings) — better |
| Positive reviews | — | 80.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 35 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Oubo Ltd | Thomas Theodor Corne Rooskens |
In-app purchases
ENCOOL
No in-app purchases
Sterk.
No in-app purchases
