Comparison

SpoolFlux vs BitAxe Guardian

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

BitAxe Guardian

Monitor and manage your BitAxe solo mining hardware remotely without needing a VPN. Receive instant alerts, optimize performance, and automate actions to protect your devices and maximize efficiency from anywhere.

Highlights
  • Remote fleet control
  • Real-time push notifications
  • Always-on metrics and charts
  • Pool latency tracking
  • Automation guardrails
  • Overclock setting adjustments
Features
Read full description

BitAxe Guardian helps you monitor and manage your BitAxe solo mining fleet from anywhere, without a VPN. The always-on Gateway handles continuous monitoring and automation. The mobile app gives you instant visibility, alerts, and controls so you can protect miners, optimize performance, and react fast. Monitor an unlimited number of devices on your local network for free. Upgrade to connect the always-on Gateway for remote access, alerts, automation, and deeper metrics. Companion Gateway app runs continuously in the background of your Mac / Windows / Linux computer. Features: • Remote fleet control through a secure Gateway connection. • Real-time push notifications for thermal issues, best difficulty hits, block found events, and more. • Always-on metrics and charts for hashrate, temperature, and efficiency. • Pool latency tracking to compare pools and make smarter switching decisions. • Automation guardrails that run even when your phone is closed or you're unavailable. Hanging at the beach? Adjust & automate your overclock settings! Riding transit? Get notified of your new best difficulty record! Travelling overseas? Automate your fleet to adjust tuning or switch pools if stale share rate spikes! Automation examples: • Prevent device damage by responding to temperature spikes instantly. • Adjust overclocking based on real-time metrics. • Switch between pools automatically based on performance. • Trigger safe auto-restarts and recovery routines when needed. Compatible with all BitAxe devices running AxeOS firmware. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SpoolFlux4 screens
BitAxe Guardian4 screens

Verdict

The call

The clearest difference is review sentiment: SpoolFlux at 100% against BitAxe Guardian's 0%. SpoolFlux also leads on in-app purchases (none vs 3). BitAxe Guardian's advantage is iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

SpoolFlux ships an update weekly, BitAxe Guardian every 4 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
SpoolFlux versus BitAxe Guardian: the parameters behind the verdict, then further details
ParameterSpoolFluxBitAxe Guardian
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings8 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPod — better
Requires iOS18.615.1 — better
Further details — not scored
Size7 MB51 MB
Age rating4+4+
DeveloperReimar MetzenTyler Ruetz

Customer experience

SpoolFlux

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BitAxe Guardian

Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

SpoolFlux

No in-app purchases

3 purchases

BitAxe Guardian

Subscriptions3
  • BitAxe Guardian Solo$1.991 Month
  • BitAxe Guardian Multi$2.991 Month
  • BitAxe Guardian Pro$4.991 Month

Questions

Is SpoolFlux free?
SpoolFlux is free to download, with no in-app purchases.
Is BitAxe Guardian free?
BitAxe Guardian is free to download, with in-app purchases available.
Do SpoolFlux or BitAxe Guardian have ads?
Neither SpoolFlux nor BitAxe Guardian shows ads.
Which is updated more often, SpoolFlux or BitAxe Guardian?
SpoolFlux ships an update weekly, and BitAxe Guardian every 4 days. Most recently, SpoolFlux was updated on October 5, 2026 and BitAxe Guardian on October 12, 2026.

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