Publish complete 601-exercise free catalog (part 5)

README.md

@@ -22,7 +22,7 @@ configs:
 
 # Exercise Dataset — Free Tier (RepDB)
 
-A free, ready-to-use **fitness exercise dataset**: **250 exercises**, each
+A free, ready-to-use **fitness exercise dataset**: **601 exercises**, each
 illustrated with flat-style **512×512 WebP** images (a start/peak pose pair, or
 a single main pose for static holds and stretches), with target muscles,
 equipment, MET values, and full instructions in **English, German, and
@@ -33,6 +33,14 @@ exercise dataset. The full dataset keeps growing and adds 1024px images, the
 classic illustration style with transparent backgrounds, and looping
 animations — see [repdb.co/pricing](https://repdb.co/pricing?utm_source=huggingface).
 
+## For fitness app themes
+
+The free tier's flat images use a solid illustration background, which is useful
+for prototypes and analysis. If your app needs dark mode, gradients, or
+white-label surfaces without a white box, the paid Standard tier adds classic
+transparent images and looping transparent WebP animations. See the practical
+[fitness app themes guide](https://repdb.co/blog/fitness-app-themes-transparent-exercise-webp/?utm_source=huggingface) for the delivery pattern.
+
 <div align="center">
 
 <a href="https://huggingface.co/spaces/RepDB/repdb-exercise-dataset-explorer">