# 孕婦小知識2 vs iCharging

The clearest difference is in-app purchases: 孕婦小知識2 at none against iCharging's 2. 孕婦小知識2 also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). iCharging's advantage is update cadence (every 6 months vs every 20 months). On price and device support there is nothing between them.

Both are free to download. iCharging sells 2 in-app purchases, starting at $0.49 per month. 孕婦小知識2 asks for nothing beyond the download.

孕婦小知識2 ships an update every 20 months, iCharging every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 孕婦小知識2 | iCharging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (294 ratings)](https://appshunter.io/ios/app/icharging-play-screensaver/id1555857433/reviews)** |
| Number of ratings | — | **294** |
| Positive reviews | — | 54.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 6 months** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 118 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Siu Wo Kwok](https://appshunter.io/developer/1048872360) | [志翔 赵](https://appshunter.io/developer/572200463) |

## What reviewers say

### 孕婦小知識2

[App page](https://appshunter.io/ios/app/2/id1127683778)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iCharging

[App page](https://appshunter.io/ios/app/icharging-play-screensaver/id1555857433)

Enhance your phone's charging experience with dynamic animations and informative displays. This app offers customizable charging screensavers, power detection, and detailed battery health analysis. It also provides smart charging prompts and sound customization for a more engaging and informed charging process.

**Highlights:** Customizable charging screensaver animations, One-key charging power detection, Automatic charging information recording, Customizable charging prompt sounds, Detailed battery cycle life analysis, Battery capacity and health value modification, Automatic screensaver activation when charging

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $0.49 | per month |
| Premium permanent | $3.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful charging information
- 💡 Useful charging animations
- 🤩 Lifetime usage option

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 🤑 Excessive ads and in-app purchases
- 🔌 Inaccurate battery health reporting
- 🤔 Confusing user interface

**Reported bugs**

- Charging animation not working
- Battery information not updating correctly
- Shortcuts integration broken in iOS 15
- Inconsistent data across devices

**Requested features**

- Add Fahrenheit temperature option
- Improve battery cycle count tracking
- Provide more customization options
- Translate to more languages


## Frequently asked questions

### Is 孕婦小知識2 free?

孕婦小知識2 is free to download, with no in-app purchases.

### Is iCharging free?

iCharging is free to download, with in-app purchases available.

### Do 孕婦小知識2 or iCharging have ads?

iCharging shows ads; 孕婦小知識2 does not.

### Which is updated more often, 孕婦小知識2 or iCharging?

孕婦小知識2 ships an update every 20 months, and iCharging every 6 months. Most recently, 孕婦小知識2 was updated on November 2, 2026 and iCharging on November 3, 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.*