Charging Engine vs Blood Pressure Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Charging Engine
Enhance your phone's charging experience with dynamic, futuristic animations and live wallpapers. Visualize battery performance and enjoy regular content updates to keep your device looking fresh and engaging.
- Futuristic charging animations
- High-definition dynamic screensavers
- Dozens of 3D charging wallpapers
- Live wallpaper collections
- Battery performance monitor
- Regular content updates
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Charging Engine provides a variety of cool and futuristic charging animations. When your phone is charging, just plug in the power supply, and an exclusive and exquisite high-definition dynamic screensaver will be displayed instantly. Make your phone full of futuristic, eye-catching and fun! We provide dozens of 3D charging wallpapers, dynamic and cool wallpapers, the picture is smooth and delicate, and the frame will never drop. Follow our tutorial to guide you step by step. When you connect the device to the charger, the animation will appear immediately for you to watch. Add color to your life with a charging lock! With a top-notch wallpaper app, dazzle with a wide variety of unique wallpaper collections that can help your mobile experience go beyond your imagination. main feature: - Live wallpapers: No need to waste your time on internet research for wallpaper as you can find them all on this amazing app. anytime, anywhere, including abstract, animals, space, nature, flowers, fantasy and more! - Various charging animations: The editor has carefully selected dozens of different styles of live wallpapers for you, making your phone richer and far from boring! - Battery Performance Monitor: Visualize your phone device's battery capacity by watts. Check the charging history in the app to get a clear idea of the available time in different situations. - Regular updates: from high-tech visualizations to light-hearted scenarios - you'll find what you're looking for! We keep all categories fresh and exciting by adding new content. stay tuned! [advanced edition] Upgrade - weekly subscription: $3.99/ week with 3-day free trial;$3.99/week Upgrade - monthly subscription: $19.99/ month with 3-day free trial;$19.99/month Upgrade - annual subscription: $69.99/ year,with 3-day free trial; $69.99/ year Payment will be collected from your iTunes account after you confirm the purchase. The system will automatically renew the subscription for you, unless the automatic renewal setting is turned off 24 hours before the end of the current subscription period. Your account will be charged the next renewal fee within 24 hours before the end of this subscription period and the renewal fee will be confirmed. Subscriptions will be controlled by you, and automatic renewal can be turned off in the user's account Settings after purchase. When you purchase a subscription to this version, you will lose any unused portion of the free trial period. Terms of service: https://sites.google.com/view/terms-of-service-of-charging-w/%E9%A6%96%E9%A1%B5 Privacy agreement: https://sites.google.com/view/privacypolicyofcharging/%E9%A6%96%E9%A1%B5 If you have any other questions, please contact us through the following email zhiyinzhihui22@163.com
Blood Pressure Tracker
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Elevate your well-being with HealthTracker, the ultimate health tracking app designed to empower you on your wellness journey. Whether you're aiming for fitness goals, managing chronic conditions, or simply striving for a healthier lifestyle, HealthTracker is your comprehensive solution. Key Features: BMI Calculator: Effortlessly monitor your body mass index (BMI) with our intuitive calculator, providing insights into your body composition and helping you set realistic fitness targets. Temperature Selection: Customize your experience by selecting your preferred temperature unit, ensuring that your health data is presented in the format that suits you best. Height and Weight Units: Tailor the app to your preferences by choosing your preferred units for height and weight, making tracking and goal-setting more personalized. Blood Sugar Tracker: Keep a close eye on your blood sugar levels with our dedicated tracker. Log data based on different states such as fasting, pre-meal, post-meal intervals, bedtime, and before/after workouts. Comprehensive Blood Sugar States: Understand your blood sugar readings in various contexts, including default, during fasting, before and after meals, before bedtime, and before/after workouts. Blood Sugar Types: Receive instant feedback on your blood sugar status, categorizing it into low, normal, pre-diabetes, or diabetes, allowing you to take proactive steps towards a healthier lifestyle. Make HealthTracker your daily companion and take control of your health journey. Download now and embark on the path to a healthier, happier you. Your wellness adventure starts here! Disclaimer: 1) App allows you to record, track and analyze trends in your blood pressure, blood sugar, blood oxygen, body temperature and BMI. You need a separate monitor hardware to measure your status, then manually log the data into this app. 2) Health Tracker BP App is NOT a substitute for a doctor or professional healthcare or advice. The app is not designed for medical purposes. It is meant only for fitness use and as a source of general health information. Any health-related information provided is for informational purposes only and should not be used to replace the advice of healthcare professionals.
Screenshots
Verdict
The clearest difference is update cadence: Blood Pressure Tracker at fortnightly against Charging Engine's every 6 weeks. 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. Charging Engine sells 10 in-app purchases, starting at $3.99 per 7 days and Blood Pressure Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Charging Engine ships an update every 6 weeks, Blood Pressure Tracker fortnightly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.
| Parameter | Charging Engine | Blood Pressure Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (11K ratings) — better | — |
| Positive reviews | 51.6% of reviews | — |
| Number of ratings | 11K — better | — |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 112 MB | 71 MB |
| Age rating | 4+ | 17+ |
| Developer | Bluewolf Technology Limited | Son Nguyen Minh |
Bugs and requests
Charging Engine
Reported bugs
3 issues- Wallpapers don't work as advertised
- App only functions when kept open during charging
- Subscription cannot be easily canceled
Requested features
4 requests- Add search bar to find desired wallpapers
- Allow users to upload their own photos/videos
- Provide option to mute sound effects
- Make app fully free without subscription
Blood Pressure Tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Charging Engine
- ChargingEngine Subscription3 Days trial$3.997 Days
- ChargingEngine Subscription$3.997 Days
- Weekly subscription7 Days trial$4.997 Days
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- ChargingEngine Subscription3 Days trial$19.991 Month
- ChargingEngine Subscription$19.991 Month
- ChargingEngine Subscription3 Days trial$23.991 Month
- ChargingEngine Subscription$23.991 Month
- ChargingEngine Subscription3 Days trial$69.991 Year
- ChargingEngine Subscription$69.991 Year
- ChargingEngine lifetime$69.99
Blood Pressure Tracker
- Remove ads$3.99
Questions
Is Charging Engine free?
Is Blood Pressure Tracker free?
Do Charging Engine or Blood Pressure Tracker have ads?
Which is updated more often, Charging Engine or Blood Pressure Tracker?
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