# 쪽잠 Pro vs Become Secure

The clearest difference is update cadence: Become Secure at every 5 days against 쪽잠 Pro's every 3 weeks. Become Secure also leads on iOS requirement (15.0 vs 17.0). On price, ads, 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.

쪽잠 Pro ships an update every 3 weeks, Become Secure every 5 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 쪽잠 Pro | Become Secure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/pro/id6767180257/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 9 MB | 4 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Yechan Gu](https://appshunter.io/developer/1879393081) | [Jeongyun Hur](https://appshunter.io/developer/6807915140) |

## What reviewers say

### 쪽잠 Pro

[App page](https://appshunter.io/ios/app/pro/id6767180257)

This app provides a quiet nap timer for short rests, allowing custom duration settings. It plays alarms only through earphones for discreet use in quiet environments and displays remaining time on the lock screen and Dynamic Island.

**Highlights:** Custom nap time setting, Quick selection for common durations, Earphone-only alarm playback, Lock screen and Dynamic Island display, Adjustable system volume within the app, 5-minute interval repeat alarm

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

**In-app purchases:** none


### Become Secure

[App page](https://appshunter.io/ios/app/become-secure-attachment-quiz/id6807915137)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 쪽잠 Pro free?

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

### Is Become Secure free?

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

### Do 쪽잠 Pro or Become Secure have ads?

Neither 쪽잠 Pro nor Become Secure shows ads.

### Which is updated more often, 쪽잠 Pro or Become Secure?

쪽잠 Pro ships an update every 3 weeks, and Become Secure every 5 days. Most recently, 쪽잠 Pro was updated on October 24, 2026 and Become Secure on October 11, 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.*