Comparison

FilamentFlow vs SpoolTool

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

Head to head
About

FilamentFlow

Manage your 3D printing filament inventory with detailed tracking of brand, material, color, and quantity. Monitor usage trends with insightful charts and records. No account is required to get started.

Highlights
  • Filament inventory management
  • Track brand, material, color, and quantity
  • Quick add/consume functionality
  • Filter and sort by various criteria
  • Usage records and trend charts
Features
Read full description

Know exactly what filament you have before you start the next print. FilamentFlow is a focused inventory manager for makers who want to keep every spool, material and remaining stock organized. BUILD A CLEAR SPOOL INVENTORY • Save the brand, model, material, color, diameter, weight and density for every spool. • Track PLA, PETG, ABS, TPU, engineering materials and more. • Keep counts current as you add filament or use it. FIND THE RIGHT MATERIAL FASTER • Filter your inventory by brand, material or color. • Sort spools by quantity or date. • Open a spool to review its specifications and stock changes. UNDERSTAND YOUR MATERIAL USE • Keep an inventory change history for additions and consumption. • See inventory totals and visual breakdowns by brand and material. • Review usage trends to make better restocking decisions. Your data stays with you and syncs through iCloud across supported devices. Use the Apple Watch companion to check your filament inventory and statistics from your wrist. FilamentFlow is built for hobbyists, print farms and anyone who wants a calmer, more reliable 3D-printing workflow.

About

SpoolTool

Features
Read full description

SpoolTool is a clean and easy-to-use app for tracking your 3D printing filament en accessories. Keep an overview of your filament spools, materials and remaining weight and accessories, so you always know what you have available before starting a print. Key features: • Track filament spools and remaining weight • Support for common materials like PLA, PETG and TPU • Stock inventory • Accessory inventory • Simple and distraction-free interface • iCloud synchronization SpoolTool+ (optional in-app purchase): • Unlock additional filament materials • Unlock all accessories • Add more brands and detailed filament information • Enable cost calculation features • Configure spool stock locations SpoolTool does not require an account and does not collect personal data. App data can be stored securely using iCloud when enabled on your device. Built with focus on simplicity, privacy and ease of use.

Screenshots

FilamentFlow4 screens
SpoolTool4 screens

Verdict

The call

The clearest difference is in-app purchases: FilamentFlow at none against SpoolTool's 1. FilamentFlow also leads on iOS requirement (17.0 vs 26.0). SpoolTool's advantage is update cadence (weekly vs every 8 months). On price, 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. SpoolTool sells 1 one-off in-app purchase. FilamentFlow asks for nothing beyond the download.

UpkeepUpdate frequency

FilamentFlow ships an update every 8 months, SpoolTool weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
FilamentFlow versus SpoolTool: the parameters behind the verdict, then further details
ParameterFilamentFlowSpoolTool
PriceFreeFree
Rating2.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Vision Pro — betteriPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size1 MB9 MB
Age rating4+4+
Developer文志 胡Luc Janssen

In-app purchases

None

FilamentFlow

No in-app purchases

1 purchases

SpoolTool

One-time1
  • SpoolTool+$1.99

Questions

Is FilamentFlow free?
FilamentFlow is free to download, with no in-app purchases.
Is SpoolTool free?
SpoolTool is free to download, with in-app purchases available.
Do FilamentFlow or SpoolTool have ads?
Neither FilamentFlow nor SpoolTool shows ads.
Which is updated more often, FilamentFlow or SpoolTool?
FilamentFlow ships an update every 8 months, and SpoolTool weekly. Most recently, FilamentFlow was updated on October 24, 2026 and SpoolTool on October 25, 2026.

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