# OnePile vs Melon Skin

The clearest difference is in-app purchases: OnePile at none against Melon Skin's 2. OnePile also leads on iOS requirement (15.5 vs 17.0). Melon Skin's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Melon Skin sells 2 in-app purchases, starting at $5.99 per month. OnePile asks for nothing beyond the download.

OnePile ships an update every 2 months, Melon Skin every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OnePile | Melon Skin |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 170 MB | 33 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 17+ |
| Developer | [Onepile Tech Limited](https://appshunter.io/developer/1698291545) | [Shun Yin Lam](https://appshunter.io/developer/1839885124) |

## What reviewers say

### OnePile

[App page](https://appshunter.io/ios/app/onepile/id6451439146)

Discover nearby book-swapping locations on a map and reserve books online. Collect or donate books at designated machines to earn environmental points and contribute to a low-carbon lifestyle.

**Highlights:** Map view of book swap points, Online book reservation, Book donation and collection, Environmental footprint tracking, Low-carbon lifestyle support

**Features:** macOS Compatibility

**In-app purchases:** none


### Melon Skin

[App page](https://appshunter.io/ios/app/melon-skin/id6752563333)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro付費會員 | $5.99 | per month |
| Elite尊貴會員 | $9.99 | per month |


## Frequently asked questions

### Is OnePile free?

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

### Is Melon Skin free?

Melon Skin is free to download, with in-app purchases available.

### Do OnePile or Melon Skin have ads?

Neither OnePile nor Melon Skin shows ads.

### Which is updated more often, OnePile or Melon Skin?

OnePile ships an update every 2 months, and Melon Skin every 2 weeks. Most recently, OnePile was updated on October 24, 2026 and Melon Skin on October 28, 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.*