# SpoolFlux vs Spool Tracker

The clearest difference is in-app purchases: SpoolFlux at none against Spool Tracker's 2. SpoolFlux also leads on update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Spool Tracker sells 2 in-app purchases, starting at $4.99 per month. SpoolFlux asks for nothing beyond the download.

SpoolFlux ships an update weekly, Spool Tracker fortnightly. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SpoolFlux | Spool Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/spoolflux/id6757957454/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 7 MB | 23 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Reimar Metzen](https://appshunter.io/developer/1453724835) | [Three19 Pty Ltd](https://appshunter.io/developer/1873148699) |

## What reviewers say

### SpoolFlux

[App page](https://appshunter.io/ios/app/spoolflux/id6757957454)

Manage NFC tags for 3D printer filament spools with support for various formats like OpenSpool and TigerTag. Features automatic color detection, temperature presets, and a comprehensive filament library. Integrates with the OpenFilament Database.

**Highlights:** Read/write multiple NFC tag formats, Automatic color detection via TD1 device, Customizable temperature presets, Extensive filament and material library, Support for multicolor filaments, Import from OpenFilament Database, Save, load, and export filament data

**In-app purchases:** none


### Spool Tracker

[App page](https://appshunter.io/ios/app/spool-tracker-spoolvault/id6758485486)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpoolVault Premium | $4.99 | per month |
| SpoolVault Premium | $49.99 | per year |


## Frequently asked questions

### Is SpoolFlux free?

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

### Is Spool Tracker free?

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

### Do SpoolFlux or Spool Tracker have ads?

Neither SpoolFlux nor Spool Tracker shows ads.

### Which is updated more often, SpoolFlux or Spool Tracker?

SpoolFlux ships an update weekly, and Spool Tracker fortnightly. Most recently, SpoolFlux was updated on September 14, 2026 and Spool Tracker on September 13, 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.*