# OpenSpool vs Spool Programmer

The clearest difference is rating: Spool Programmer at 5.0 against OpenSpool's 4.0. Spool Programmer also leads on ratings volume (5 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Spool Programmer holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Spool Programmer has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | OpenSpool | Spool Programmer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/openspool/id6740551901/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/spool-programmer/id6753324939/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | Free | Free |
| Size | 12 MB | 3 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Spencer Owen](https://appshunter.io/developer/1790569930) | [Martin Bogomolni](https://appshunter.io/developer/1843504794) |

## 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


### Spool Programmer

[App page](https://appshunter.io/ios/app/spool-programmer/id6753324939)

This app allows users to program RFID tags for 3D printing filament spools. It supports various filament types and spool sizes, offering features like reading existing tags, checking memory, and custom color selection. All processing is done on-device for privacy and security.

**Highlights:** Write filament data to NTAG215/216 tags, 18 pre-configured filament profiles, Read and verify existing tags, Check tag status and memory, Format tags for programming, Custom color selection, Support for various spool sizes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenSpool free?

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

### Is Spool Programmer free?

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

### Which has better reviews, OpenSpool or Spool Programmer?

Spool Programmer is rated higher. OpenSpool averages 4.0 out of 5 from 1 ratings, while Spool Programmer averages 5.0 from 5 ratings.

### Do OpenSpool or Spool Programmer have ads?

Neither OpenSpool nor Spool Programmer 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.*