# Poly Auction HK vs 3DPrint

The clearest difference is iOS requirement: 3DPrint at 12.0 against Poly Auction HK's 15.1. 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.

## The numbers

| Metric | Poly Auction HK | 3DPrint |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 60 MB | 26 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Poly Auction Hong Kong Limited](https://appshunter.io/developer/1626959801) | [添 程](https://appshunter.io/developer/1748936369) |

## What reviewers say

### Poly Auction HK

[App page](https://appshunter.io/ios/app/poly-auction-hk/id1626959799)

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

**In-app purchases:** none


### 3DPrint

[App page](https://appshunter.io/ios/app/3dprint/id6743151173)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Poly Auction HK free?

Poly Auction HK is free to download, with no in-app purchases.

### Is 3DPrint free?

3DPrint is free to download, with no in-app purchases.

### Do Poly Auction HK or 3DPrint have ads?

Neither Poly Auction HK nor 3DPrint shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
