# Filament.uno vs Spool Master

The clearest difference is rating: Spool Master at 5.0 against Filament.uno's 3.7. Spool Master also leads on update cadence (every 3 days vs every 3 months) and iOS requirement (15.0 vs 18.6). Filament.uno's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Filament.uno 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.

Spool Master holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Filament.uno ships an update every 3 months, Spool Master every 3 days. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Filament.uno | Spool Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/filamentuno/id1543388155/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spool-master/id6757678949/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 41 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Sohier](https://appshunter.io/developer/921377230) | [Sebastien Girod](https://appshunter.io/developer/1472154080) |

## What reviewers say

### Filament.uno

[App page](https://appshunter.io/ios/app/filamentuno/id1543388155)

Easily manage your 3D printing filament stock. Track what you have, add new spools, and maintain your inventory with simple tools.

**Highlights:** Add filament spools, Manage inventory, Maintain filament stock, Simple functionality

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filament.uno PRO | $2.99 | 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 Filament.uno free?

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

### Is Spool Master free?

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

### Which has better reviews, Filament.uno or Spool Master?

Spool Master is rated higher. Filament.uno averages 3.7 out of 5 from 3 ratings, while Spool Master averages 5.0 from 1 ratings.

### Do Filament.uno or Spool Master have ads?

Both Filament.uno and Spool Master show ads.

### Which is updated more often, Filament.uno or Spool Master?

Filament.uno ships an update every 3 months, and Spool Master every 3 days. Most recently, Filament.uno was updated on October 2, 2026 and Spool Master on October 17, 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.*