# 마운틴북3.0 vs useless

The clearest difference is update cadence: useless at every 3 weeks against 마운틴북3.0's every 3 months. 마운틴북3.0's advantage is iOS requirement (8.0 vs 16.4). 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.

마운틴북3.0 ships an update every 3 months, useless every 3 weeks. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 마운틴북3.0 | useless |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 114 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)블랙야크](https://appshunter.io/developer/456148390) | [Harim Jang](https://appshunter.io/developer/6819482306) |

## What reviewers say

### 마운틴북3.0

[App page](https://appshunter.io/ios/app/30/id996798156)

This app encourages outdoor activities by gamifying mountain climbing and participation in social contribution events. Users can earn points and rewards for completing challenges, climbing mountains, and engaging in eco-friendly activities.

**Highlights:** National 100 famous mountain certification, Social contribution activities (Clean Hiking, Happy Step), Event hikes (history, national parks), Point rewards for climbing and achievements, Discount coupons, Certification items and souvenir shop

**Features:** Vision Pro support

**In-app purchases:** none


### useless

[App page](https://appshunter.io/ios/app/useless/id6751174681)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 마운틴북3.0 free?

마운틴북3.0 is free to download, with no in-app purchases.

### Is useless free?

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

### Do 마운틴북3.0 or useless have ads?

Neither 마운틴북3.0 nor useless shows ads.

### Which is updated more often, 마운틴북3.0 or useless?

마운틴북3.0 ships an update every 3 months, and useless every 3 weeks. Most recently, 마운틴북3.0 was updated on October 4, 2026 and useless on October 13, 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.*