# Spool Zone vs Battery

The clearest difference is in-app purchases: Battery at none against Spool Zone's 3. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Spool Zone | Battery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 84 MB | 15 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [玉文 赵](https://appshunter.io/developer/1805502247) | [婷 赵](https://appshunter.io/developer/1455495649) |

## 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 |


### Battery

[App page](https://appshunter.io/ios/app/battery-box/id6747755756)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spool Zone free?

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

### Is Battery free?

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

### Do Spool Zone or Battery have ads?

Neither Spool Zone nor Battery shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*