# SOLARIA嘉熙 住戶 vs OnePile

The clearest difference is update cadence: OnePile at every 2 months against SOLARIA嘉熙 住戶's every 3 months. SOLARIA嘉熙 住戶's advantage is iOS requirement (13.0 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.

SOLARIA嘉熙 住戶 ships an update every 3 months, OnePile every 2 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SOLARIA嘉熙 住戶 | OnePile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 67 MB | 170 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [CardApp Limited](https://appshunter.io/developer/539151439) | [Onepile Tech Limited](https://appshunter.io/developer/1698291545) |

## What reviewers say

### SOLARIA嘉熙 住戶

[App page](https://appshunter.io/ios/app/solaria/id1485213682)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SOLARIA嘉熙 住戶 free?

SOLARIA嘉熙 住戶 is free to download, with no in-app purchases.

### Is OnePile free?

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

### Do SOLARIA嘉熙 住戶 or OnePile have ads?

Neither SOLARIA嘉熙 住戶 nor OnePile shows ads.

### Which is updated more often, SOLARIA嘉熙 住戶 or OnePile?

SOLARIA嘉熙 住戶 ships an update every 3 months, and OnePile every 2 months. Most recently, SOLARIA嘉熙 住戶 was updated on October 13, 2026 and OnePile on October 2, 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.*