# HarmBlock+ vs 3D Printing AI

HarmBlock+ and 3D Printing AI are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | HarmBlock+ | 3D Printing AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 99 MB | 0 MB |
| Requires iOS | **17.0** | 18.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HMD Global Oy](https://appshunter.io/developer/1508100491) | [STATION DEPART POINT](https://appshunter.io/developer/1834173866) |

## What reviewers say

### HarmBlock+

[App page](https://appshunter.io/ios/app/harmblock-plus/id6747810121)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Printing AI

[App page](https://appshunter.io/ios/app/3d-printing-ai/id6751238586)

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

**In-app purchases:** none


## Frequently asked questions

### Is HarmBlock+ free?

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

### Is 3D Printing AI free?

3D Printing AI is free to download, with no in-app purchases.

### Do HarmBlock+ or 3D Printing AI have ads?

Neither HarmBlock+ nor 3D Printing AI shows ads.

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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.*