# 완충e vs WorldClass PC

The clearest difference is review sentiment: WorldClass PC at 63% against 완충e's 13%. WorldClass PC also leads on rating (4.2 vs 1.0) and ratings volume (6 vs 2). 완충e's advantage is ads (none vs shown) and update cadence (every 5 days vs fortnightly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WorldClass PC holds the better App Store score, 4.2 against 1.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 13% of 완충e's written reviews are positive against 63% of WorldClass PC's.

완충e ships an update every 5 days, WorldClass PC fortnightly. Both last shipped on September 22, 2026.

## The numbers

| Metric | 완충e | WorldClass PC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/e/id1531816431/reviews) | **[4.2 (6 ratings)](https://appshunter.io/ios/app/worldclass-pc/id6479704195/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | 13.0% of reviews | **62.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 63 MB | 58 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [에브리포터블(주)](https://appshunter.io/developer/1515091508) | [Bigpicture Interactive Co.,Ltd.](https://appshunter.io/developer/1064586311) |

## What reviewers say

### 완충e

[App page](https://appshunter.io/ios/app/e/id1531816431)

This service allows users to easily rent and return portable chargers via QR code. Simply rent when needed, and return the charger after use without needing the app for the return process.

**Highlights:** QR code rental, Easy return, On-demand battery charging, Convenient service

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient for emergencies
- 👍 Fast charging speed (mentioned by a few)
- 👍 Multiple charging ports
- 👍 Quick customer service feedback (rare but mentioned)

**What reviewers complain about**

- 🐛 Login issues (frequent)
- 🐛 Payment/card registration failures
- 🐛 Battery not charging/malfunctioning
- 🐛 Return/refund issues
- 🐛 Inconsistent charging speed

**Reported bugs**

- Login authentication failures (Kakao, Naver)
- Payment gateway errors (card registration, payment failure)
- Batteries not charging or showing as charging when they are not
- Return process not registering, leading to extra charges
- App crashes or errors preventing usage

**Requested features**

- Improve login system stability
- Fix payment processing errors
- Ensure battery quality before rental
- Provide clearer return instructions/confirmation
- Improve customer service availability and responsiveness


### WorldClass PC

[App page](https://appshunter.io/ios/app/worldclass-pc/id6479704195)

Easily manage your PC cafe experience with features like quick sign-up, QR code login, and in-app payments from your seat. Monitor usage and end your session remotely for ultimate convenience.

**Highlights:** Easy sign-up and login, QR code seat login, In-seat payment, Auto-purchase options, Remote session ending, Usage information check

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

**In-app purchases:** none


## Frequently asked questions

### Is 완충e free?

완충e is free to download, with no in-app purchases.

### Is WorldClass PC free?

WorldClass PC is free to download, with no in-app purchases.

### Which has better reviews, 완충e or WorldClass PC?

WorldClass PC is rated higher. 완충e averages 1.0 out of 5 from 2 ratings, while WorldClass PC averages 4.2 from 6 ratings.

### Do 완충e or WorldClass PC have ads?

WorldClass PC shows ads; 완충e does not.

### Which is updated more often, 완충e or WorldClass PC?

완충e ships an update every 5 days, and WorldClass PC fortnightly. Most recently, 완충e was updated on September 22, 2026 and WorldClass PC on September 22, 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.*