Comparison

Charging Engine vs Stop & Think

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Futuristic charging animations
  • High-definition dynamic screensavers
  • Dozens of 3D charging wallpapers
  • Live wallpaper collections
  • Battery performance monitor
  • Regular content updates
Features
Read full description

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

About

Stop & Think

This app offers a personal companion for managing anxiety, providing tailored exercises and visualizations to help you find calm during moments of stress or panic. It features smart heart rate monitoring and haptic breathing guidance for a comprehensive calming experience.

Highlights
  • Three anxiety gate levels
  • Smart heart rate monitoring
  • GPU-accelerated breathing visualizations
  • 150+ guided prompts
  • Haptic breathing guidance
  • Real-time support
Features
Read full description

Stop & Think is your personal anxiety companion, designed to help you find calm when stress rises. Whether you're experiencing light unease or a full panic moment, the app adapts to meet you where you are. THREE ANXIETY GATES • Soft Landing — For light unease. Body-focused grounding and gentle breathing exercises. • Rising Waves — For growing tension. Cognitive reframing techniques to quiet racing thoughts. • Acute Surge — For panic spikes. Safety-focused support and crisis-level calming strategies. SMART HEART RATE MONITORING Connect your Apple Watch to receive real-time heart rate tracking. The app automatically recommends the right anxiety gate based on your BPM, or let you choose manually when you know what you need. BEAUTIFUL CALMING VISUALS Immerse yourself in GPU-accelerated breathing visualizations. Watch dynamic wave animations and a breathing sphere that responds to your heart rate, creating a soothing visual anchor during anxious moments. 150+ GUIDED PROMPTS Each anxiety gate includes over 50 carefully crafted calming prompts covering breathing techniques, body awareness, cognitive reframing, and grounding exercises. HAPTIC BREATHING GUIDANCE Feel synchronized haptic feedback that guides your breath, helping you maintain focus without needing to watch the screen. DESIGNED FOR REAL MOMENTS Stop & Think was built with the understanding that anxiety doesn't wait. Open the app when you need it and immediately begin calming exercises tailored to your current state. Your breath is your anchor. Let Stop & Think help you ride the wave back to steady.

Screenshots

Charging Engine4 screens
Stop & Think4 screens

Verdict

The call

The clearest difference is in-app purchases: Stop & Think at none against Charging Engine's 12. Stop & Think also leads on rating (5.0 vs 4.8). Charging Engine's advantage is ratings volume (11K vs 1) and iOS requirement (12.0 vs 17.0). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Charging Engine sells 12 in-app purchases, starting at $3.99 per 7 days. Stop & Think asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stop & Think holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Charging Engine has 11K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Charging Engine ships an update every 6 weeks, Stop & Think monthly. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
Charging Engine versus Stop & Think: the parameters behind the verdict, then further details
ParameterCharging EngineStop & Think
PriceFreeFree
Rating4.8 (11K ratings)5.0 (1 ratings) — better
Positive reviews51.6% of reviews—
Number of ratings11K — better1
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS12.0 — better17.0
Further details — not scored
Size112 MB28 MB
Age rating4+4+
DeveloperBluewolf Technology LimitedMohammed Sayf

Customer experience

Charging Engine

All ratings10,572 ratings
Positive94.1%
Neutral2.0%
Negative3.9%
Written reviews225 reviews
Positive51.6%
Neutral6.7%
Negative41.8%

Stop & Think

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Stop & Think

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Charging Engine

Subscriptions11
  • ChargingEngine Subscription3 Days trial$3.997 Days
  • ChargingEngine Subscription$3.997 Days
  • Weekly subscription7 Days trial$4.997 Days
Show 8 more
  • ChargingEngine Subscription3 Days trial$19.991 Month
  • ChargingEngine Subscription$19.991 Month
  • ChargingEngine Subscription1 Month trial$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 Subscription1 Year trial$69.991 Year
One-time1
  • ChargingEngine lifetime$69.99
None

Stop & Think

No in-app purchases

Questions

Is Charging Engine free?
Charging Engine is free to download, with in-app purchases available.
Is Stop & Think free?
Stop & Think is free to download, with no in-app purchases.
Which has better reviews, Charging Engine or Stop & Think?
Stop & Think is rated higher. Charging Engine averages 4.8 out of 5 from 11K ratings, while Stop & Think averages 5.0 from 1 ratings.
Do Charging Engine or Stop & Think have ads?
Neither Charging Engine nor Stop & Think shows ads.
Which is updated more often, Charging Engine or Stop & Think?
Charging Engine ships an update every 6 weeks, and Stop & Think monthly. Most recently, Charging Engine was updated on October 15, 2026 and Stop & Think on September 29, 2026.

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