# 3D Printing Cost Calculator vs ECA 3D

The clearest difference is in-app purchases: ECA 3D at none against 3D Printing Cost Calculator's 4. ECA 3D also leads on iOS requirement (13.0 vs 18.0). 3D Printing Cost Calculator's advantage is update cadence (every 2 months vs every 19 months). On price, ads and device support there is nothing between them.

Both are free to download. 3D Printing Cost Calculator sells 4 one-off in-app purchases. ECA 3D asks for nothing beyond the download.

3D Printing Cost Calculator ships an update every 2 months, ECA 3D every 19 months. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 3D Printing Cost Calculator | ECA 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (50 ratings)](https://appshunter.io/ios/app/3d-printing-cost-calculator/id6502561182/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 27 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcel Kraus](https://appshunter.io/developer/1361655712) | [Evoltech Srl](https://appshunter.io/developer/1759414077) |

## What reviewers say

### 3D Printing Cost Calculator

[App page](https://appshunter.io/ios/app/3d-printing-cost-calculator/id6502561182)

Quickly estimate the total cost of your 3D printing projects, covering materials, labor, and operational expenses. An optional paid add-on unlocks features like saving calculations, project bundling, and G-code import.

**Highlights:** Calculate material costs, Estimate labor costs, Factor in operating expenses, Save and bundle calculations (paid), Import G-code files (paid), Ad-free and privacy-focused

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kleines Trinkgeld | $0.99 | one-time |
| PLUS | $2.99 | one-time |
| Mittleres Trinkgeld | $2.99 | one-time |
| Großes Trinkgeld | $3.99 | one-time |


### ECA 3D

[App page](https://appshunter.io/ios/app/eca-3d/id6624305508)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D Printing Cost Calculator free?

3D Printing Cost Calculator is free to download, with in-app purchases available.

### Is ECA 3D free?

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

### Do 3D Printing Cost Calculator or ECA 3D have ads?

Neither 3D Printing Cost Calculator nor ECA 3D shows ads.

### Which is updated more often, 3D Printing Cost Calculator or ECA 3D?

3D Printing Cost Calculator ships an update every 2 months, and ECA 3D every 19 months. Most recently, 3D Printing Cost Calculator was updated on November 8, 2026 and ECA 3D on November 4, 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.*