# Spool Zone vs SpoolStack

The clearest difference is update cadence: SpoolStack at every 2 days against Spool Zone's weekly. Spool Zone's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spool Zone sells 3 one-off in-app purchases and SpoolStack sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Spool Zone ships an update weekly, SpoolStack every 2 days. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Spool Zone | SpoolStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 84 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [玉文 赵](https://appshunter.io/developer/1805502247) | [Matthew Howell](https://appshunter.io/developer/1744641447) |

## What reviewers say

### Spool Zone

[App page](https://appshunter.io/ios/app/spool-zone-3d-filament-box/id6744862175)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpoolZoneAir | $4.99 | one-time |
| Lifetime Membership | $7.99 | one-time |
| SpoolZonePro | $7.99 | one-time |


### SpoolStack

[App page](https://appshunter.io/ios/app/spoolstack/id6762043296)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpoolStack Pro Monthly | $4.99 | per month |
| SpoolStack Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Spool Zone free?

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

### Is SpoolStack free?

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

### Do Spool Zone or SpoolStack have ads?

Neither Spool Zone nor SpoolStack shows ads.

### Which is updated more often, Spool Zone or SpoolStack?

Spool Zone ships an update weekly, and SpoolStack every 2 days. Most recently, Spool Zone was updated on October 12, 2026 and SpoolStack on September 26, 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.*