OpenStreetMap on the iPhone! Via an ingenious hack. The Google Maps iPhone client caches downloaded tiles using SQLite—to display your own custom tiles, you just need to dump them straight in to the “cache”.
Recent articles
- Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
- Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
- sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025