# Charging Engine vs Stop & Think

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.

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.

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.

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.

## The numbers

| Metric | Charging Engine | Stop & Think |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (11K ratings)](https://appshunter.io/ios/app/charging-engine-4kwallpapers/id1602309907/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stop-and-think/id6755711969/reviews)** |
| Number of ratings | **11K** | 1 |
| Positive reviews | 51.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Subscription | **Free** |
| Size | 112 MB | 28 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bluewolf Technology Limited](https://appshunter.io/developer/1477300424) | [Mohammed Sayf](https://appshunter.io/developer/1811229057) |

## What reviewers say

### Charging Engine

[App page](https://appshunter.io/ios/app/charging-engine-4kwallpapers/id1602309907)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChargingEngine Subscription | $3.99 | per 7 days |
| ChargingEngine Subscription | $3.99 | per 7 days |
| Weekly subscription | $4.99 | per 7 days |
| ChargingEngine Subscription | $19.99 | per month |
| ChargingEngine Subscription | $19.99 | per month |
| ChargingEngine Subscription | $19.99 | per month |
| ChargingEngine Subscription | $23.99 | per month |
| ChargingEngine Subscription | $23.99 | per month |
| ChargingEngine Subscription | $69.99 | per year |
| ChargingEngine Subscription | $69.99 | per year |
| ChargingEngine Subscription | $69.99 | per year |
| ChargingEngine lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Charging animations are cool
- 👍 Variety of wallpaper options
- 💡 Customizable charging experience

**What reviewers complain about**

- 🔒 Requires subscription to access full features
- 🐛 Buggy and crashes frequently
- 🔋 Drains battery when app is open
- 💸 Misleading about free trial, charges immediately

**Reported bugs**

- Wallpapers don't work as advertised
- App only functions when kept open during charging
- Subscription cannot be easily canceled

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/stop-and-think/id6755711969)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*