# Spool Master vs 3D

The clearest difference is price: Spool Master at Free against 3D's $1.99. Spool Master also leads on iOS requirement (15.0 vs 17.6). 3D's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Spool Master is free to download; 3D costs $1.99 up front. Spool Master sells 2 in-app purchases, starting at $1.99 per month. 3D asks for nothing beyond the download.

## The numbers

| Metric | Spool Master | 3D |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spool-master/id6757678949/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 41 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebastien Girod](https://appshunter.io/developer/1472154080) | [Marvin Schieleit](https://appshunter.io/developer/1887067094) |

## What reviewers say

### Spool Master

[App page](https://appshunter.io/ios/app/spool-master/id6757678949)

Manage your 3D printing filament stock with NFC tag reading/writing, inventory tracking, and smart shopping lists. Optimize expenses and reduce waste for hobbyists and professionals.

**Highlights:** NFC reading and writing for spool tags, Complete inventory management, Detailed statistics and value tracking, Automatic low stock alerts, Smart shopping list generation, Print settings configuration, Multi-device synchronization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spool Master Monthly | $1.99 | per month |
| Spool Master Yearly | $9.99 | per year |


### 3D

[App page](https://appshunter.io/ios/app/3d-calc/id6775030981)

This tool helps estimate the cost of 3D printing projects by calculating electricity and material expenses. It features a large database of printers and filaments, allowing for flexible adjustments to various parameters for accurate cost breakdowns.

**Highlights:** Extensive printer database (60+ models), Real-time electricity and material cost calculation, Editable print time, filament weight, and prices, Comprehensive filament database, Offline functionality, Bilingual (German/English) and Dark Mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is Spool Master free?

Spool Master is free to download, with in-app purchases available.

### Is 3D free?

3D costs $1.99, with no in-app purchases.

### Do Spool Master or 3D have ads?

Spool Master shows ads; 3D does not.

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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.*