Simon Willison’s Weblog

22nd October 2007 - Link Blog

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”.

Posted 22nd October 2007 at 3:30 pm

Recent articles

Tracking the history of the now-deceased OpenAI Microsoft AGI clause - 27th April 2026
DeepSeek V4 - almost on the frontier, a fraction of the price - 24th April 2026
Extract PDF text in your browser with LiteParse for the web - 23rd April 2026

This is a link post by Simon Willison, posted on 22nd October 2007.

google-maps 53 iphone 63 mikel-maron 4 openstreetmap 50 sqlite 461

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe