# 임장노트 vs HT Lock

The clearest difference is iOS requirement: 임장노트 at 13.0 against HT Lock's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 16, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 임장노트 | HT Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Size | 25 MB | 38 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jisu Kim](https://appshunter.io/developer/1719926819) | [HYUNDAI HT Co., Ltd.](https://appshunter.io/developer/495649043) |

## What reviewers say

### 임장노트

[App page](https://appshunter.io/ios/app/id6744860639)

**Features:** macOS Compatibility

**In-app purchases:** none


### HT Lock

[App page](https://appshunter.io/ios/app/ht-lock/id6747012507)

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

**In-app purchases:** none


## Frequently asked questions

### Is 임장노트 free?

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

### Is HT Lock free?

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

### Do 임장노트 or HT Lock have ads?

Neither 임장노트 nor HT Lock shows ads.

### Which is updated more often, 임장노트 or HT Lock?

임장노트 ships an update every 6 months, and HT Lock every 6 months. Most recently, 임장노트 was updated on October 16, 2026 and HT Lock on October 26, 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.*