# OnePile vs WesonFire Engineering

The clearest difference is update cadence: OnePile at every 2 months against WesonFire Engineering's every 5 months. WesonFire Engineering's advantage is iOS requirement (11.0 vs 15.5). 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.

OnePile ships an update every 2 months, WesonFire Engineering every 5 months. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OnePile | WesonFire Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 170 MB | 89 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Onepile Tech Limited](https://appshunter.io/developer/1698291545) | [Surmount Development (HK) Co., Limited](https://appshunter.io/developer/1798183674) |

## 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


### WesonFire Engineering

[App page](https://appshunter.io/ios/app/wesonfire-engineering/id6745813590)

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

**In-app purchases:** none


## Frequently asked questions

### Is OnePile free?

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

### Is WesonFire Engineering free?

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

### Do OnePile or WesonFire Engineering have ads?

Neither OnePile nor WesonFire Engineering shows ads.

### Which is updated more often, OnePile or WesonFire Engineering?

OnePile ships an update every 2 months, and WesonFire Engineering every 5 months. Most recently, OnePile was updated on October 2, 2026 and WesonFire Engineering 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.*