Calti

Calti - Mosaic & Tile is your private studio for turning everyday snapshots into polished photo mosaic collages.
Weave lets you pick multiple photos and tessellate them into grid layouts—from compact 2×2 boards to larger 4×4 mosaics. Adjust gutters and corner radius, attach an optional voice weave memo, preview live, and export a composed tile image to your photo library. Every draft stays on your iPhone.
Lattice is an interactive ratio swatch board where you save lattice proportions—1:1, 4:5, 9:16, and custom sizes—with live mini-grid previews. Compare two presets side by side and send any swatch straight into a new weave session.
Chronicle keeps a private log of every export: skim thumbnails, filter by grid type, review trends, replay voice memos, and re-export favorites to Photos.
Tile Coins (optional in-app purchases) extend free export limits, extra preset slots, and batch re-exports. Coins are consumable—used per action, not a subscription.
Privacy by design: your photos, voice memos, and mosaic data remain local. Calti uses the device identifier only to keep settings on this phone. Camera, photo library, microphone, and save-to-photos access are requested only when you use those f