# Spool Zone vs PrintCalc

The clearest difference is in-app purchases: PrintCalc at none against Spool Zone's 3. Spool Zone's advantage is iOS requirement (13.0 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Spool Zone sells 3 one-off in-app purchases. PrintCalc asks for nothing beyond the download.

## The numbers

| Metric | Spool Zone | PrintCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 84 MB | 1 MB |
| Requires iOS | **13.0** | 26.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [玉文 赵](https://appshunter.io/developer/1805502247) | [润 甘](https://appshunter.io/developer/1879274627) |

## 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 |


### PrintCalc

[App page](https://appshunter.io/ios/app/printcalc/id6761513047)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spool Zone free?

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

### Is PrintCalc free?

PrintCalc is free to download, with no in-app purchases.

### Do Spool Zone or PrintCalc have ads?

Neither Spool Zone nor PrintCalc shows ads.

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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.*