Comparison

Spool Master vs TagWriter4CFS Mobile

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

Head to head
About

Spool Master

Manage your 3D printing filament stock with NFC tag reading/writing, inventory tracking, and smart shopping lists. Optimize expenses and reduce waste for hobbyists and professionals.

Highlights
  • NFC reading and writing for spool tags
  • Complete inventory management
  • Detailed statistics and value tracking
  • Automatic low stock alerts
  • Smart shopping list generation
  • Print settings configuration
  • Multi-device synchronization
Features
Read full description

Spool Master - The complete app to manage your 3D printing filament stock MAIN FEATURES NFC Reading and Writing • Read NFC chips from Anycubic, Bambu Lab, Prusa and Creality spools • Write your own custom NFC tags • Clone NFC tags for reuse • Compatible with all NFC tag formats Complete Inventory Management • Add spools by NFC scan or manually • Track remaining weight of each spool • Manage prices and calculate total value • Organize by brand, material and color • Automatic low stock alerts Detailed Statistics • Overview of your inventory • Total value of your stock • Number of materials, colors and brands • Automatic shopping list Smart Shopping List • Automatic addition of low stock spools • Mark ordered filaments • Add manually or by NFC scan Advanced Color Picker • Full palette with RGB sliders • Opacity support • Real-time preview Print Settings • Extruder temperatures (min/max) • Bed temperatures (min/max) • Filament diameter • Spool length COMPATIBILITY • Anycubic: Full reading and writing • Bambu Lab: RFID tag reading and writing • Prusa: OpenPrintTag reading and writing (NFC-V) • Creality CFS: Tag reading and writing • Generic NFC tags: Custom writing • Support for 22 filament brands • Support for 25 material types (PLA, PETG, ABS, TPU, etc.) MULTILINGUAL App available in 40 languages SYNCHRONIZATION • Multi-device synchronization • Offline mode available UNITS AND CURRENCIES • Multiple currency support • Metric or imperial units • Automatic conversion MODERN INTERFACE • Dark and light mode • Sleek design • Intuitive navigation • Visual statistics SECURITY AND PRIVACY • Your data remains private • Secure local storage PREMIUM VERSION AVAILABLE • Cloud synchronization • Ad-free • Priority support Whether you're a hobby maker or a professional 3D printer, Spool Master helps you optimize your filament management, reduce waste and control your expenses. Download now and take control of your filament inventory! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

TagWriter4CFS Mobile

This utility app streamlines filament tag creation for 3D printing. It connects to your printer to fetch live spool data, allowing you to quickly generate accurate tags with material, color, and spool status information. Reduce manual entry and keep your filament organized with this reliable tool.

Highlights
  • Create consistent filament tags
  • Fetch live CFS slot data
  • Review material, color, and spool status
  • Write tags in a few taps
  • Reduce manual entry
  • Organize filament setup
Features
Read full description

TagWriter4CFS helps you create consistent filament tags using Drop down lists or even from live CFS slot data from your printer. Enter your printer IP, fetch current slot information, and review material, colour, and spool status before writing. Select any slot, copy its data, and write a tag in just a few taps. Built for day-to-day reliability, TagWriter4CFS reduces manual entry and helps prevent mismatched tag details. Whether you run one spool or multiple CFS units, you can produce accurate tags faster and keep your filament setup organised. Requires compatible CFS/printer data access and tag-writing hardware.

Screenshots

Spool Master4 screens
TagWriter4CFS Mobile4 screens

Verdict

The call

The clearest difference is ads: TagWriter4CFS Mobile at none against Spool Master's shown. TagWriter4CFS Mobile also leads on monetization model (free vs free with in-app purchases). Spool Master's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and update cadence 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. Spool Master sells 2 in-app purchases, starting at $1.99 per month and TagWriter4CFS Mobile sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Spool Master against 5.0 for TagWriter4CFS Mobile. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Spool Master ships an update every 4 days, TagWriter4CFS Mobile every 3 days. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Spool Master versus TagWriter4CFS Mobile: the parameters behind the verdict, then further details
ParameterSpool MasterTagWriter4CFS Mobile
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 4 daysEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size39 MB3 MB
Age rating4+4+
DeveloperSebastien Girodrob coops

Customer experience

Spool Master

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

TagWriter4CFS Mobile

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Spool Master

Subscriptions2
  • Spool Master Monthly$1.991 Month
  • Spool Master Yearly$9.991 Year
1 purchases

TagWriter4CFS Mobile

One-time1
  • Unlock Write Access.$3.99

Questions

Is Spool Master free?
Spool Master is free to download, with in-app purchases available.
Is TagWriter4CFS Mobile free?
TagWriter4CFS Mobile is free to download, with in-app purchases available.
Which has better reviews, Spool Master or TagWriter4CFS Mobile?
Spool Master and TagWriter4CFS Mobile are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Spool Master or TagWriter4CFS Mobile have ads?
Spool Master shows ads; TagWriter4CFS Mobile does not.
Which is updated more often, Spool Master or TagWriter4CFS Mobile?
Spool Master ships an update every 4 days, and TagWriter4CFS Mobile every 3 days. Most recently, Spool Master was updated on September 13, 2026 and TagWriter4CFS Mobile on September 9, 2026.

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