# SpoolFlux vs 3D Print Tracker

The clearest difference is in-app purchases: SpoolFlux at none against 3D Print Tracker's 2. SpoolFlux also leads on ratings volume (8 vs 1). 3D Print Tracker's advantage is iOS requirement (15.1 vs 18.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. 3D Print Tracker sells 2 in-app purchases, starting at $1.99 per month. SpoolFlux asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SpoolFlux against 5.0 for 3D Print Tracker. That said, the two scores are not equally well evidenced: SpoolFlux has 8 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 5, 2026.

## The numbers

| Metric | SpoolFlux | 3D Print Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/spoolflux/id6757957454/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/3d-print-tracker/id6771534885/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | Free |
| Size | 7 MB | 53 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Reimar Metzen](https://appshunter.io/developer/1453724835) | [Howard Frischer](https://appshunter.io/developer/6771534887) |

## 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


### 3D Print Tracker

[App page](https://appshunter.io/ios/app/3d-print-tracker/id6771534885)

This app helps 3D printing enthusiasts accurately calculate material costs, optimize print settings, and manage project expenses. It provides precise breakdowns for filament usage, weight conversions, and profit margins for selling prints.

**Highlights:** Filament cost calculator, Material weight conversions, Profit margin tools, Print cost optimization, Fast and clean interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pro Access | $1.99 | per month |
| Premium Pro Access | $9.99 | per year |


## Frequently asked questions

### Is SpoolFlux free?

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

### Is 3D Print Tracker free?

3D Print Tracker is free to download, with in-app purchases available.

### Which has better reviews, SpoolFlux or 3D Print Tracker?

SpoolFlux and 3D Print Tracker are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do SpoolFlux or 3D Print Tracker have ads?

Neither SpoolFlux nor 3D Print Tracker shows ads.

### Which is updated more often, SpoolFlux or 3D Print Tracker?

SpoolFlux ships an update weekly, and 3D Print Tracker weekly. Most recently, SpoolFlux was updated on October 5, 2026 and 3D Print Tracker on October 5, 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.*