# Spool vs Pocket Slicer

The clearest difference is update cadence: Pocket Slicer at every 5 days against Spool's every 2 weeks. On price, ads, 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 Pocket Slicer 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, Pocket Slicer every 5 days. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Spool | Pocket Slicer |
| --- | --- | --- |
| 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 | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 77 MB | 11 MB |
| Requires iOS | 26.1 | **26.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Melo](https://appshunter.io/developer/1863471937) | [Francis Dufour](https://appshunter.io/developer/1866724558) |

## 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 |


### Pocket Slicer

[App page](https://appshunter.io/ios/app/pocket-slicer/id6757409477)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $2.99 | one-time |


## Frequently asked questions

### Is Spool free?

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

### Is Pocket Slicer free?

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

### Do Spool or Pocket Slicer have ads?

Neither Spool nor Pocket Slicer shows ads.

### Which is updated more often, Spool or Pocket Slicer?

Spool ships an update every 2 weeks, and Pocket Slicer every 5 days. Most recently, Spool was updated on October 10, 2026 and Pocket Slicer 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.*