# i.M(아이.엠) vs 고고양양(GogoYangyang)

The clearest difference is ratings volume: i.M(아이.엠) at 1.1K against 고고양양(GogoYangyang)'s 1. i.M(아이.엠) also leads on iOS requirement (13.0 vs 16). 고고양양(GogoYangyang)'s advantage is review sentiment (100% vs 91%). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for i.M(아이.엠) against 5.0 for 고고양양(GogoYangyang). That said, the two scores are not equally well evidenced: i.M(아이.엠) has 1.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 91% of i.M(아이.엠)'s written reviews are positive against 100% of 고고양양(GogoYangyang)'s.

i.M(아이.엠) ships an update every 3 weeks, 고고양양(GogoYangyang) every 2 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | i.M(아이.엠) | 고고양양(GogoYangyang) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.1K ratings)](https://appshunter.io/ios/app/im/id1542967200/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gogoyangyang/id6447051582/reviews)** |
| Number of ratings | **1.1K** | 1 |
| Positive reviews | 91.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 62 MB | 425 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [진모빌리티](https://appshunter.io/developer/1542967202) | [Ez pmp Co., Ltd.](https://appshunter.io/developer/1472007100) |

## What reviewers say

### i.M(아이.엠)

[App page](https://appshunter.io/ios/app/im/id1542967200)

This mobility service offers premium Carnival taxi rides and data-driven designated driver services. Enjoy spacious and comfortable rides in various Carnival models, with features like air purification and automatic doors. Book rides easily with smart pricing and premium drivers.

**Highlights:** Premium Carnival taxi service, Spacious 11-seater and 6-seater options, Air purification and sanitization, Automatic sliding doors, Data-driven designated driver service, Smart pricing and quick dispatch, AI-based route optimization

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Friendly and helpful drivers
- 🚗 Comfortable and clean vehicles
- 🛂 No forced driver acceptance or refusal
- 💳 Reasonable pricing compared to regular taxis

**What reviewers complain about**

- 🕰️ Longer wait times for pickup
- 🗺️ Inaccurate navigation and location tracking
- 🔇 Lack of explanation for premium pricing over regular taxis

**Reported bugs**

- App interface bugs causing incorrect pickup location pinning
- Inconsistent driver behavior (e.g. ignoring calls, driving recklessly)

**Requested features**

- Expand service coverage to more areas
- Improve real-time tracking and ETA accuracy
- Provide more details on pricing differences between regular and premium services


### 고고양양(GogoYangyang)

[App page](https://appshunter.io/ios/app/gogoyangyang/id6447051582)

This app provides comprehensive travel information and services for Yangyang, South Korea. It offers booking for accommodations, restaurants, and activities, real-time wave conditions for surfers, and AR games at local attractions.

**Highlights:** Surfing shop info and class booking, Real-time beach webcams, Surfer-specific weather forecasts, Workcation center reservations, Accommodation, dining, and cafe bookings, AR games at tourist spots, Mobile stamp tour

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

**In-app purchases:** none


## Frequently asked questions

### Is i.M(아이.엠) free?

i.M(아이.엠) is free to download, with no in-app purchases.

### Is 고고양양(GogoYangyang) free?

고고양양(GogoYangyang) is free to download, with no in-app purchases.

### Which has better reviews, i.M(아이.엠) or 고고양양(GogoYangyang)?

고고양양(GogoYangyang) is rated higher. i.M(아이.엠) averages 4.9 out of 5 from 1.1K ratings, while 고고양양(GogoYangyang) averages 5.0 from 1 ratings.

### Do i.M(아이.엠) or 고고양양(GogoYangyang) have ads?

Neither i.M(아이.엠) nor 고고양양(GogoYangyang) shows ads.

### Which is updated more often, i.M(아이.엠) or 고고양양(GogoYangyang)?

i.M(아이.엠) ships an update every 3 weeks, and 고고양양(GogoYangyang) every 2 weeks. Most recently, i.M(아이.엠) was updated on October 29, 2026 and 고고양양(GogoYangyang) on October 24, 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.*