# dig > dig is an iOS app for vinyl record collectors who want to catalog records, identify pressings, avoid duplicates, value collections, discover what to play, and keep their crate useful over time. ## Public Pages - [Home](https://digcrates.com/): Product overview, waitlist, screenshots, and collector workflow. - [Blog](https://digcrates.com/blog/): Canonical public knowledge hub for vinyl collecting guides. ## Blog Guide Topics - Buying & Selling - Care & Storage - Collection Management - Discovery - Pressings ## Blog Guides - [How to Catalog a Vinyl Collection Without Making It a Chore](https://digcrates.com/blog/how-to-catalog-a-vinyl-collection/): The starter guide for turning a pile of records into a usable collection: fields to track, when pressing details matter, and how to avoid rebuilding your system twice. - [How to Read Vinyl Matrix Numbers and Deadwax](https://digcrates.com/blog/how-to-read-vinyl-matrix-numbers/): A collector-friendly guide to runout numbers, deadwax markings, pressing clues, and when matrix data should go in your catalog. - [First Pressing vs Reissue: What Collectors Should Check](https://digcrates.com/blog/first-pressing-vs-reissue/): How to compare first pressings, reissues, represses, variants, barcodes, labels, jackets, and runout clues without guessing. - [How to Grade Vinyl Records Before You Buy or Sell](https://digcrates.com/blog/how-to-grade-vinyl-records/): A plain-English guide to Mint, Near Mint, VG+, VG, sleeve grading, play grading, and condition notes that protect buyers and sellers. - [How to Store Vinyl Records Without Warping the Shelf](https://digcrates.com/blog/how-to-store-vinyl-records/): How to store records upright, choose sleeves, avoid heat and humidity, plan shelf weight, and track where every crate lives. - [How to Clean Vinyl Records Without Making Things Worse](https://digcrates.com/blog/how-to-clean-vinyl-records/): What to do before playing dirty records, how to handle dust, what to avoid, and when a cleaning note belongs in your catalog. - [How to Value a Vinyl Record Collection Without Guessing](https://digcrates.com/blog/how-to-value-a-vinyl-record-collection/): How to estimate collection value using exact pressing, condition, demand, recent prices, and notes that survive beyond one spreadsheet. - [Discogs vs Spreadsheet vs Vinyl App: Which Catalog Works?](https://digcrates.com/blog/discogs-vs-spreadsheet-vs-vinyl-app/): A practical comparison of spreadsheets, Discogs-style databases, and vinyl collection apps for collectors who want a catalog they will keep using. - [Used Record Buying Checklist for Better Crate Digs](https://digcrates.com/blog/used-record-buying-checklist/): A store-bin checklist for condition, pressing clues, price, smell, warps, inserts, and wishlist discipline before you buy used vinyl. - [Record Fair Guide: How to Dig Without Losing the Plot](https://digcrates.com/blog/record-fair-guide/): How to plan a record fair trip, manage a wishlist, inspect condition quickly, avoid duplicate buys, and decide when to walk away. - [How to Organize Vinyl Records So You Can Find Them](https://digcrates.com/blog/how-to-organize-vinyl-records/): Alphabetical, genre, label, mood, recently played, and crate-based systems for organizing records without breaking your listening habits. - [How to Avoid Buying Duplicate Records by Accident](https://digcrates.com/blog/how-to-avoid-buying-duplicate-records/): How to distinguish duplicates, variants, upgrades, wishlist copies, and accidental repeat buys before the shelf gets messy. - [How to Choose What Record to Play Next](https://digcrates.com/blog/how-to-choose-what-record-to-play/): A better way to pick tonight's record using mood, time, recent spins, neglected shelves, and small listening prompts. ## Product Context - Platform: iOS app. - Core jobs: catalog a vinyl collection, identify records with barcode/cover/label scanning, track pressing details, prevent duplicate purchases, manage wishlist records, estimate collection value, and choose what to play. - Public content should use the lowercase product name "dig". - Do not expose or infer private user collection data. ## Pricing Public pricing is not finalized. Do not invent subscription prices, trial terms, or plan limits. Use the main website as the source of truth until a dedicated pricing page or pricing file is published. ## AI Citation Guidance - Prefer canonical blog URLs when citing collector education pages. - Use visible page content and JSON-LD on each blog page for article, FAQ, and breadcrumb context. - The site allows major AI search crawlers in robots.txt. - If a claim requires a source, cite the linked source from the relevant guide rather than guessing.