# wSIGN vs SpoolFlux

The clearest difference is update cadence: SpoolFlux at weekly against wSIGN's every 3 months. wSIGN's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 18.6). On price, 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.

wSIGN ships an update every 3 months, SpoolFlux weekly. The most recent releases landed on September 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | wSIGN | SpoolFlux |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 75 MB | 7 MB |
| Requires iOS | **15.5** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UBH Software & Engineering](https://appshunter.io/developer/1368469932) | [Reimar Metzen](https://appshunter.io/developer/1453724835) |

## What reviewers say

### wSIGN

[App page](https://appshunter.io/ios/app/wsign/id1582013963)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is wSIGN free?

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

### Is SpoolFlux free?

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

### Do wSIGN or SpoolFlux have ads?

Neither wSIGN nor SpoolFlux shows ads.

### Which is updated more often, wSIGN or SpoolFlux?

wSIGN ships an update every 3 months, and SpoolFlux weekly. Most recently, wSIGN was updated on September 18, 2026 and SpoolFlux on October 22, 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.*