# Spool Master vs OwHello

The clearest difference is in-app purchases: OwHello at none against Spool Master's 2. OwHello also leads on ads (none vs shown). Spool Master's advantage is iOS requirement (15.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Spool Master sells 2 in-app purchases, starting at $1.99 per month. OwHello asks for nothing beyond the download.

## The numbers

| Metric | Spool Master | OwHello |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spool-master/id6757678949/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 5 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sebastien Girod](https://appshunter.io/developer/1472154080) | [iDEOwen b.v.](https://appshunter.io/developer/6781660996) |

## What reviewers say

### Spool Master

[App page](https://appshunter.io/ios/app/spool-master/id6757678949)

Manage your 3D printing filament stock with NFC scanning, inventory tracking, and smart shopping lists. Optimize filament usage, reduce waste, and control expenses with detailed statistics and print settings.

**Highlights:** NFC reading and writing for spools, Complete inventory management, Detailed statistics and value tracking, Automatic low stock alerts, Smart shopping list generation, Print settings management, Multi-device synchronization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spool Master Monthly | $1.99 | per month |
| Spool Master Yearly | $9.99 | per year |


### OwHello

[App page](https://appshunter.io/ios/app/owhello/id6814148362)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Spool Master free?

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

### Is OwHello free?

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

### Do Spool Master or OwHello have ads?

Spool Master shows ads; OwHello does not.

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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.*