# Spool Buddy vs SpoolFlux

The clearest difference is rating: SpoolFlux at 5.0 against Spool Buddy's 4.3. SpoolFlux also leads on in-app purchases (none vs 3). Spool Buddy's advantage is device support (3 vs 1). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Spool Buddy sells 3 one-off in-app purchases. SpoolFlux asks for nothing beyond the download.

SpoolFlux holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Spool Buddy ships an update every 2 weeks, SpoolFlux weekly. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Spool Buddy | SpoolFlux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (9 ratings)](https://appshunter.io/ios/app/spool-buddy/id6752347588/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/spoolflux/id6757957454/reviews)** |
| Number of ratings | **9** | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 7 MB |
| Requires iOS | **18.2** | 18.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Martian Code Oy](https://appshunter.io/developer/1099214691) | [Reimar Metzen](https://appshunter.io/developer/1453724835) |

## What reviewers say

### Spool Buddy

[App page](https://appshunter.io/ios/app/spool-buddy/id6752347588)

Effortlessly manage your 3D printing filament inventory. Track brands, colors, and usage with a simple, fast interface. Syncs seamlessly across Apple devices without requiring logins or network calls.

**Highlights:** iCloud syncing, No logins or network calls, Track brands, colors, and modifiers, Search and filter by properties, Usage and inventory tracking, Optimized for iOS and macOS

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


### 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 Spool Buddy free?

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

### Is SpoolFlux free?

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

### Which has better reviews, Spool Buddy or SpoolFlux?

SpoolFlux is rated higher. Spool Buddy averages 4.3 out of 5 from 9 ratings, while SpoolFlux averages 5.0 from 8 ratings.

### Do Spool Buddy or SpoolFlux have ads?

Neither Spool Buddy nor SpoolFlux shows ads.

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

Spool Buddy ships an update every 2 weeks, and SpoolFlux weekly. Most recently, Spool Buddy was updated on September 8, 2026 and SpoolFlux on September 14, 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.*