# Doptrace: Faceting Bench — Rough, Tiers, Laps & Yield

> Rough, Tiers, Laps & Yield (iPhone/iPad app by Robert Corbin.)

- Source: https://appshunter.io/ios/app/doptrace-faceting-bench/id6792172771 (this page in markdown: same URL + `.md`)
- Developer: [Robert Corbin](https://appshunter.io/developer/1890247992)
- Category: Lifestyle, Productivity
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.0 · 126 MB
- Released: 2026-07-28
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/doptrace-faceting-bench/id6792172771/reviews.md

## What is Doptrace?

Doptrace is a private faceting runbook for cutters who want every decision attached to the finished stone.

Carry one stone from rough orientation through dop, tier sequence, transfer, polish, finished weight, and bench review.

KEY FEATURES
- Rough orientation, dop, transfer, and finished-stone lineage
- Tier checklist with user-entered index, angle, meetpoint, and lap notes
- Rough-to-finished yield and cost-per-carat math
- Lap, polish, machine, and outcome comparison records
- Optional local photos through Apple's Photos picker
- Local PDF project brief
- 175 original offline reference plates
- No account, ads, analytics, tracking, subscription, or network requirement

Doptrace is a bench notebook and arithmetic tool. It does not identify gemstones, validate a diagram, assess treatments, prescribe machine settings, determine value, or replace qualified lapidary instruction, equipment guidance, and eye or respiratory protection.


## Version history (last 1 release)

### 1.0 — 2026-07-28

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 2026-08-14.*