Leppoga

Iron Legend Solutions

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About this app

Leppoga shows you which tumbling stage caused the pits, frosting or fractures on your finished stones, so you can fix the stage instead of guessing.

Start 🚀 a batch from a stage template 📋 and mark 3 to 5 sample stones with marker dots. At the end of each stage, photograph the same stones with the framing guide and grade pits, frosting, fractures and shine on built-in severity scales.

Defects are graded per individual stone per stage, not per batch. Leppoga compares each stone with its previous stage, and the loupe wipe lines up the same stone side by side so new ✨ and unresolved defects stand out.

When you close a batch, the batch report 🧾 shows a defect onset matrix of stones by stages. Each defect is attributed to the first stage it appeared in, together with that stage's grit, media and duration.

Over time ⏱️, Insights builds a defect cause radial from every closed batch, showing which stages and settings most often lead to each defect. The built-in defect guide covers orange peel, frosting, undercutting, fractures, grit contamination, pits and low shine, with severity levels, likely causes by stage and fixes.

Everything stays on your device 📱. Batches, grades and photos 📸 are stored locally, the guide ships with the app, and the core loop needs no account, no sign-up and no network.

Mark your next batch's sample stones in Leppoga and find out where your polish goes wrong ❌.