# 휘슬 vs KeyPlus2

The clearest difference is review sentiment: 휘슬 at 71% against KeyPlus2's 0%. KeyPlus2's advantage is monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15). 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 monthly. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 휘슬 | KeyPlus2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (14 ratings)](https://appshunter.io/ios/app/id1552301194/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | **70.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 128 MB | 114 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Monoplatform Co., Ltd.](https://appshunter.io/developer/1552301616) | [Special One Co., Ltd.](https://appshunter.io/developer/1521605263) |

## What reviewers say

### 휘슬

[App page](https://appshunter.io/ios/app/id1552301194)

This comprehensive car lifestyle platform offers parking violation alerts, vehicle inspection booking, premium car wash reservations, and a reliable used car marketplace. It also features a community forum for drivers and a point system for rewards.

**Highlights:** Parking violation alerts, Vehicle inspection booking, Premium car wash reservations, Used car marketplace, Driver community forum, Point rewards system

**Features:** Vision Pro support

**In-app purchases:** none


### KeyPlus2

[App page](https://appshunter.io/ios/app/keyplus2-digital-key/id1583539390)

Easily control and share car doors using just your phone. Transform your vehicle into a smart car with this application.

**Highlights:** Digital car door control, Share car access remotely, Transform car into smart car, One phone control, Special life experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 휘슬 free?

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

### Is KeyPlus2 free?

KeyPlus2 is free to download, with no in-app purchases.

### Do 휘슬 or KeyPlus2 have ads?

Neither 휘슬 nor KeyPlus2 shows ads.

### Which is updated more often, 휘슬 or KeyPlus2?

휘슬 ships an update monthly, and KeyPlus2 monthly. Most recently, 휘슬 was updated on October 19, 2026 and KeyPlus2 on October 3, 2026.

---

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