# SpoolTool vs Spool Master

The clearest difference is ads: SpoolTool at none against Spool Master's shown. Spool Master's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. SpoolTool sells 1 one-off in-app purchase and Spool Master sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

SpoolTool ships an update weekly, Spool Master every 4 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SpoolTool | Spool Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spool-master/id6757678949/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 39 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luc Janssen](https://appshunter.io/developer/1867307419) | [Sebastien Girod](https://appshunter.io/developer/1472154080) |

## What reviewers say

### SpoolTool

[App page](https://appshunter.io/ios/app/spooltool/id6757499557)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpoolTool+ | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is SpoolTool free?

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

### Is Spool Master free?

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

### Do SpoolTool or Spool Master have ads?

Spool Master shows ads; SpoolTool does not.

### Which is updated more often, SpoolTool or Spool Master?

SpoolTool ships an update weekly, and Spool Master every 4 days. Most recently, SpoolTool was updated on October 10, 2026 and Spool Master on October 1, 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.*