# OpenSpool vs Machine Health

OpenSpool and Machine Health are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | OpenSpool | Machine Health |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/openspool/id6740551901/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Monetization | Free | — |
| Size | 12 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spencer Owen](https://appshunter.io/developer/1790569930) | [Volvo Construction Equipment](https://appshunter.io/developer/485644257) |

## What reviewers say

### OpenSpool

[App page](https://appshunter.io/ios/app/openspool/id6740551901)

This utility app functions as a universal RFID reader for 3D printers. It supports various RFID systems used for 3D printer filament, including OpenSpool, OpenTag, and Creality. More information on integration is available via a provided GitHub link.

**Highlights:** Universal RFID reader, Reads OpenSpool RFID systems, Reads OpenTag RFID systems, Reads Creality RFID systems, Supports other RFID systems, 3D printer filament tracking

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

**In-app purchases:** none


### Machine Health

[App page](https://appshunter.io/ios/app/machine-health/id6785873807)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenSpool free?

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

### Is Machine Health free?

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

### Do OpenSpool or Machine Health have ads?

Neither OpenSpool nor Machine Health 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.*