Comparison

My Filaments vs SpoolStack

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

Head to head
About

My Filaments

Features
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My Filaments is the ultimate app for 3D printing enthusiasts, makers, and professionals who want to accurately and efficiently manage their filament spool inventory. --- Main features: --- - Comprehensive Digital Archive: Track your spools with detailed records including material, color, manufacturer, remaining weight, purchase price, and expanded database parameters. - Advanced RFID Support: - OpenPrintTag: Improved tag reading and added full RFID tag writing capability. - OpenTag3D: Full integration for both reading and writing RFID tags. - Multi-Standard Form Creation: Choose from 5 different industry standards directly in the entry form to structure your spool data exactly how you want. - HueForge & JSON Export: Support for HueForge workflows and one-click JSON export for filament data. - Redesigned Statistics: Revamped analytics page to quickly inspect material usage, costs, and inventory trends. - UI Customization: Personalize your app experience with customizable UI backgrounds. Simplify your 3D printing setup and take full control of your spool inventory with My Filaments!

About

SpoolStack

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Never run out of filament mid-print again. SpoolStack is the ultimate inventory manager for 3D printing enthusiasts. Whether you have five spools or five hundred, SpoolStack removes the guesswork from your workshop so you can focus on creating, not stocktaking. EFFORTLESS INVENTORY MANAGEMENT Quick Add โ€” add new spools in seconds with brand and type presets Visual Swatches โ€” colour-coded swatches and Favourites for your go-to materials Smart Thresholds โ€” custom Red and Amber alerts so you know exactly when to reorder On Order Tracking โ€” mark spools as on order with a smart reminder to confirm your order was placed Settings & Support โ€” rate the app, restore purchases, and get in touch directly from within the app SYNCS ACROSS ALL YOUR DEVICES โ€” FREE Your inventory stays up to date everywhere. Add a spool on your iPhone, see it instantly on your iPad or any other iCloud-connected device. Cloud sync is included for every SpoolStack user, no subscription required. REORDER IN SECONDS Auto-Link โ€” SpoolStack automatically matches your filament to reorder links One-Tap Shopping โ€” buy the exact brand and colour you need without searching order histories Broad Support โ€” optimised for Elegoo, Bambu Lab, eSUN, Polymaker, Sunlu, and more GO HANDS-FREE WITH PRO NFC Tagging โ€” tap your phone to an NFC-tagged spool to subtract stock instantly QR Workflow โ€” generate custom labels and scan to update inventory in a flash Unlimited Inventory โ€” remove the 15-spool limit and track your entire collection TAKE CONTROL OF YOUR FILAMENT SpoolStack is free to use for up to 15 spools with cloud sync included. Join the pro makers using SpoolStack Pro to streamline their workflow with unlimited spools and hardware tagging. Privacy Policy: http://bit.ly/3PcUgFE Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

My Filaments4 screens
SpoolStack4 screens

Verdict

The call

The clearest difference is ads: SpoolStack at none against My Filaments's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. My Filaments sells 1 one-off in-app purchase and SpoolStack sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 31, 2026 and October 12, 2026 respectively.

Scorecard1 real difference ยท 5 level
My Filaments versus SpoolStack: the parameters behind the verdict, then further details
ParameterMy FilamentsSpoolStack
PriceFreeFree
Update frequencyEvery 2 daysEvery 2 days
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS18.617.0 โ€” better
Further details โ€” not scored
Size9 MB13 MB
Age rating4+4+
DeveloperFABRIZIO CALGAROMatthew Howell

In-app purchases

1 purchases

My Filaments

One-time1
  • Remove ADS$5.99
2 purchases

SpoolStack

Subscriptions2
  • SpoolStack Pro Monthly$4.991 Month
  • SpoolStack Pro Yearly$49.991 Year

Questions

Is My Filaments free?
My Filaments is free to download, with in-app purchases available.
Is SpoolStack free?
SpoolStack is free to download, with in-app purchases available.
Do My Filaments or SpoolStack have ads?
My Filaments shows ads; SpoolStack does not.
Which is updated more often, My Filaments or SpoolStack?
My Filaments ships an update every 2 days, and SpoolStack every 2 days. Most recently, My Filaments was updated on October 31, 2026 and SpoolStack on October 12, 2026.

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