My Filaments vs SpoolStack
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
My Filaments
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My Filaments is the ideal app for 3D printer users who want to accurately and efficiently track their purchased filament spools. Designed for makers, professionals, and enthusiasts, this app offers a modular solution for managing your materials inventory. --- Main features: --- - Digital spool archive with details on material, color, manufacturer, and quantity. - Simplified and organized display for quick reference. - Supports writing to compatible RFID tags. My Filaments makes managing your filament inventory easier.
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
Verdict
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
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.
Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.
| Parameter | My Filaments | SpoolStack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | Every 2 days |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 18.6 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 5 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | FABRIZIO CALGARO | Matthew Howell |
In-app purchases
My Filaments
- Remove ADS$5.99
SpoolStack
- SpoolStack Pro Monthly$4.991 Month
- SpoolStack Pro Yearly$49.991 Year







