# Spool vs Filament Box

The clearest difference is update cadence: Filament Box at weekly against Spool's every 2 weeks. Filament Box also leads on iOS requirement (17.0 vs 26.1). Spool's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Spool sells 3 in-app purchases, starting at $4.99 per month and Filament Box sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Spool ships an update every 2 weeks, Filament Box weekly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Spool | Filament Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/spool-filament-tracker/id6756892049/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 77 MB | 3 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Melo](https://appshunter.io/developer/1863471937) | [Andrea Spotorno](https://appshunter.io/developer/1895638453) |

## What reviewers say

### Spool

[App page](https://appshunter.io/ios/app/spool-filament-tracker/id6756892049)

Manage your 3D printing filament inventory with detailed tracking of materials, costs, and stock levels. Log print details, monitor printer maintenance, and gain insights into your printing habits. Integrates with Bambu Lab printers for automatic data logging.

**Highlights:** Filament spool tracking, Cost and weight logging, Low-stock warnings, Print logging and analysis, Bambu Lab printer integration, Printer maintenance schedules, NFC/QR code spool tagging

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spool Pro Monthly | $4.99 | per month |
| Spool Pro Yearly | $49.99 | per year |
| +10 Spool Capacity | $0.99 | one-time |


### Filament Box

[App page](https://appshunter.io/ios/app/filament-box/id6764668265)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filament Box premium | $3.99 | one-time |


## Frequently asked questions

### Is Spool free?

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

### Is Filament Box free?

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

### Do Spool or Filament Box have ads?

Neither Spool nor Filament Box shows ads.

### Which is updated more often, Spool or Filament Box?

Spool ships an update every 2 weeks, and Filament Box weekly. Most recently, Spool was updated on October 10, 2026 and Filament Box on October 25, 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.*