# Spoolwright: Print Ledger — Filament Cost & Inventory

> Filament Cost & Inventory (iPhone/iPad app by Robert Corbin.)

- Source: https://appshunter.io/ios/app/spoolwright-print-ledger/id6790936088 (this page in markdown: same URL + `.md`)
- Developer: [Robert Corbin](https://appshunter.io/developer/1890247992)
- Category: Utilities, Productivity
- Price: $2.99 (on sale, was $3.99)
- Age rating: 4+
- Requires: iOS 17.0 · 47 MB
- Released: 2026-07-22
- Data updated: 2026-09-11
- User reviews in markdown: https://appshunter.io/ios/app/spoolwright-print-ledger/id6790936088/reviews.md

## What is Spoolwright?

Spoolwright is a private 3D-printing spool desk for makers who want clear filament inventory, job cost, and depletion estimates without another cloud account.

Add spools by material, color, grams remaining, cost, lot note, dryer status, and favorite settings. The workbench estimates whether a spool can finish a job, material cost, energy estimate, markup, and remaining grams after the run. A built-in reference library covers humidity, dry-box notes, material changes, nozzle settings, and recordkeeping habits.

KEY FEATURES
- Spool inventory by material and color
- Print job material and cost estimates
- Depletion forecast before a long run
- Dryer and humidity log
- Material settings reference cards
- Local PDF print sheet
- 60-card offline 3D printing reference library
- No account, ads, tracking, analytics, subscription, or network requirement

Spoolwright is an organizer and estimator based on values you enter. It does not connect to a printer, validate G-code, or replace manufacturer guidance.


## Version history (last 1 release)

### 1.0 — 2026-07-22

No release notes.

## More apps by Robert Corbin

- [Daily Word Journey](https://appshunter.io/ios/app/daily-word-journey/id6761548266)
- [Hush Secret Text](https://appshunter.io/ios/app/hush-secret-text/id6761658175)
- [Renew Guard](https://appshunter.io/ios/app/renew-guard/id6761755447)
- [Receipt to PDF](https://appshunter.io/ios/app/receipt-to-pdf/id6761782025)
- [Route Your Pay](https://appshunter.io/ios/app/route-your-pay/id6761783719)
- [Tip Arbiter](https://appshunter.io/ios/app/tip-arbiter/id6761786879)

All apps by Robert Corbin: https://appshunter.io/developer/1890247992

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-11.*