# Spool vs 3DCost

The clearest difference is ads: Spool at none against 3DCost's shown. 3DCost's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (15.0 vs 26.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Spool sells 3 in-app purchases, starting at $4.99 per month and 3DCost sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Spool ships an update every 2 weeks, 3DCost weekly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Spool | 3DCost |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 77 MB | 36 MB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Melo](https://appshunter.io/developer/1863471937) | [Jesus Rosero](https://appshunter.io/developer/1892882926) |

## 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 |


### 3DCost

[App page](https://appshunter.io/ios/app/3dcost/id6762095891)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3DCost Premium Monthly | $5.99 | per month |
| 3DCost Premium Annual | $29.99 | per year |
| 3DCost Pro | $44.99 | per year |


## Frequently asked questions

### Is Spool free?

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

### Is 3DCost free?

3DCost is free to download, with in-app purchases available.

### Do Spool or 3DCost have ads?

3DCost shows ads; Spool does not.

### Which is updated more often, Spool or 3DCost?

Spool ships an update every 2 weeks, and 3DCost weekly. Most recently, Spool was updated on October 10, 2026 and 3DCost on October 7, 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.*