Rostoc

Rostoc is roasting software for small and growing commercial coffee roasteries. It connects to the roasting machine, records the roast as it happens, and keeps the production plan, the reference curve, the saved batch and the green coffee it came from linked to each other instead of spread across files and tabs.

The desktop app for macOS, Windows and Linux is the surface that talks to the machine. It carries machine setup, a guided connection test, and live roast recording with phase metrics, development time ratio, area under curve, consistency data and side-by-side reference comparison. A browser app covers the work that happens away from the roaster: reviewing saved batches, building roast plans, managing green coffee lots and inventory, and account settings.

Machine support is published model by model rather than as a blanket compatibility claim. As verified on 2026-08-09 the catalog held 263 models across 93 brands: 198 marked supported, 52 experimental, 8 unsupported and 5 planned. Connections run over serial, Modbus RTU and TCP, Siemens S7, BLE and Phidget USB sensor boards, with machine-specific paths for several families; each model entry states the transport, the telemetry available, and its current support status. On machines whose controls have passed review, gas, airflow and drum setpoints can also be adjusted from the app, gated control by control.

The apps most often listed as alternatives to roasting software are brewing timers, recipe logs and coffee calculators, which are tools for making a cup. Rostoc works at the other end of that supply chain, on the production roast itself.

Plans: Hobby is free, with 30 roasts a month, one machine, desktop only and no inventory. Foundation is 19 US dollars a month or 190 a year, with 50 roasts a month, one machine, and browser access. Growth is 39 US dollars a month or 390 a year, with unlimited recorded batches and machine slots, subject to exact-machine compatibility, plus green coffee inventory and lot tracking. There are no per-kilo fees, so the price does not rise with the weight roasted.

Rostoc is deliberately scoped to the roast itself. It does not cover order-driven production scheduling, wholesale or finished-goods fulfilment, structured cupping and quality-control workflows, shared multi-user workspaces and permissions, or a public API.