SpoolFlux vs Moongate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpoolFlux
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.
- 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
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iOS app for reading and writing NFC tags on 3D printer filament spools. Supports OpenSpool, OpenPrintTag, ACE Pro, and TigerTag. Features: - Multiple NFC formats: read and write OpenSpool (ISO 14443), OpenPrintTag (ISO 15693/SLIX2), ACE Pro, TigerTag, and OpenTag3D - TD1 filament scanner: automatic color detection via USB-MIDI (connect the TD1 device using a Lightning/USB-C adapter) - Extruder temperature range (150–420 °C, 5 °C steps) with Min/Max slider - Heated bed temperature range (0–160 °C, optional) - Temperature presets per material - 24 predefined colors, add your own - Multicolor filaments: create multiple colors per filament (e.g., for multicolor spools) - 42 materials (PLA, PETG, ABS, TPU, PEEK, and more), add your own - 21 material variants (Matte, Silk, Rainbow, Glow, Carbon, and more), add your own - 42 predefined filament brands, add your own brands - Optional filament properties: weight (250 g–10 kg), diameter (1.75 / 2.85 mm), Spoolman-compatible spool ID - Filament library: save, load, search filaments, and export/import as a .sftemplate file - OpenFilament Database (OFDB): import filament data from the community database - JSON preview with syntax highlighting
Moongate
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Moongate puts every Klipper 3D printer you own on one dashboard, at home or anywhere. It connects straight to your own Raspberry Pi running Klipper and Moonraker. Pair once by scanning a QR code, and Moongate reaches your printer directly on your Wi-Fi, or securely over an encrypted tunnel when you are away. No account, no email, no password. Sign-in is anonymous, and there are no ads, no analytics, and no tracking. Features: - One dashboard for your whole fleet, with live webcam, temperatures, and print progress - The full Mainsail or Fluidd web interface built in - Start, pause, and stop prints, plus a double-tap emergency stop - A Control panel for each printer: heater targets, homing, jogging, extrude and retract, and your macros as labelled buttons with their own icons, colours and parameters, arranged the way you want - A Klipper-aware config editor that suggests section and option names, checks values before you save, and edits macro G-code inline, plus a console with command completions - A file browser for your printer that hides backup clutter so your real config files stand out - Power machines on and off (smart plug or Klipper macro) - Preheat and heat-soak from the dashboard - Optional push notifications for print started, finished, and failed - App lock with Face ID, Touch ID, or a PIN - Custom themes, drag-to-arrange tiles, and an adjustable display size - Back up and restore your setup - Available in 9 languages Moongate is free and source available. You host everything yourself, and your printers stay yours. Note: Moongate needs the free Moongate plugin installed on your printer's Raspberry Pi. Setup guide: github.com/PEEKYPAUL/Moongate
Screenshots
Verdict
The clearest difference is iOS requirement: Moongate at 15.0 against SpoolFlux's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SpoolFlux ships an update weekly, Moongate every 10 days. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.
| Parameter | SpoolFlux | Moongate |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Weekly — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Reimar Metzen | Paul Sharman |
In-app purchases
SpoolFlux
No in-app purchases
Moongate
No in-app purchases









