# RockClash > RockClash is an iPhone music rhythm game with 50 included songs, four-lane charts, and credit-based song creation. ## Primary references - [Machine-readable public catalog](https://rockclash.com/catalog.json): JSON-LD DataFeed/OfferCatalog for the game, current US App Store offers, 50 included songs, 200 practice plans, and 15 guides. - [Home](https://rockclash.com/): official product and game guide. - [US App Store record](https://apps.apple.com/us/app/rockclash/id6776700940): current download, version, compatibility, and US in-app prices. - [Included songs](https://rockclash.com/songs): complete 50-song maintained catalog. - [Practice laboratory](https://rockclash.com/practice-charts): source-grounded timing, combo, hold-note, and lane-balance plans. - [Guide library](https://rockclash.com/guides): gameplay and creation guidance. - [Privacy](https://rockclash.com/privacy): current privacy source. ## Current US App Store offers - RockClash iPhone download: free, version 1.0.7, requires iOS 17.0 or later. - 1 Song: USD $0.99 consumable credit. - 10 Songs: USD $4.99 consumable credits. - 30 Songs: USD $9.99 consumable credits. Each custom song uses one credit. Regional storefront prices can vary; the values above are the current US App Store prices. ## Evidence and privacy boundaries - Included-song records and practice metrics come from the maintained bundled catalog and beatmap JSON. - Beatmaps establish durations, note timestamps, hold durations, and lane indexes; they do not establish genre, BPM, licensing terms, or guaranteed results. - Accounts, purchase receipts, private created songs, prompts, generated media, scores, saves, and user libraries are excluded from the public catalog. ## Corrections - For catalog corrections, use the support link on the official App Store record and include the affected public URL.