# Spool Programmer vs GloomTools

The clearest difference is update cadence: Spool Programmer at every 5 days against GloomTools's every 3 weeks. On price, ads, in-app purchases and device support 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 ships an update every 5 days, GloomTools every 3 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Spool Programmer | GloomTools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/spool-programmer/id6753324939/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 3 MB | 17 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Martin Bogomolni](https://appshunter.io/developer/1843504794) | [Daniel Blum](https://appshunter.io/developer/6792571702) |

## What reviewers say

### 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


### GloomTools

[App page](https://appshunter.io/ios/app/gloomtools/id6804037391)

**In-app purchases:** none


## Frequently asked questions

### Is Spool Programmer free?

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

### Is GloomTools free?

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

### Do Spool Programmer or GloomTools have ads?

Neither Spool Programmer nor GloomTools shows ads.

### Which is updated more often, Spool Programmer or GloomTools?

Spool Programmer ships an update every 5 days, and GloomTools every 3 weeks. Most recently, Spool Programmer was updated on October 28, 2026 and GloomTools on October 29, 2026.

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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.*