Before and after
Two-sided evidence explains the interval better than one anchor.
Photo geotagging without a track file
No GPX? Use nearby iPhone photos as location clues.
iPhone photos from the same outing can place camera photos between known times and locations. Every result stays a reviewable suggestion—not recovered GPS.
Last updated
Interactive evidence example
What do the nearby photos tell us?
iPhone · 10:02
iPhone · 10:12
High confidence — both nearby iPhone photos point to the same small area.
How the no-GPX method works
Build a location timeline from photos you already took.
- Find eligible iPhone anchorsOnly geotagged photos identified as iPhone photos become evidence.
- Compare the nearest timesLensPin looks before and after each adjusted camera capture time.
- Check time and distanceNearby anchors support one another; distant anchors indicate movement.
- Review the suggested pointInspect both anchors, time gaps, map and explanation before selecting it.
What makes evidence stronger
Close in time, close in place, visible on both sides.
Locations agree
Anchors in the same small area suggest you stayed nearby.
Short time gaps
Minutes are easier to trust than hours; the chosen maximum remains a hard limit.
When the timeline shows movement
LensPin does not draw a straight line between distant photos.
If two anchors are more than 300 metres apart, LensPin favors the nearer time instead of inventing the route between them. The result is downgraded for review.
Same-area evidence
- Use the shared area as the suggestion
- Give more weight to short time gaps
Movement evidence
- Favor the nearer time with lower confidence
- Give no suggestion when it is too far away
Only one nearby iPhone photo?
A one-sided clue can help, but it needs more caution.
One close-in-time anchor can help, but without a second photo it receives a penalty and may land in Review. A 10:02 anchor can support a 10:07 photo far better than an 11:30 photo.
Matching happens on the device.
Photos are not uploaded, and only identified iPhone photos become anchors. Read the privacy details →
Inside the no-GPX review
See what nearby iPhone photos can—and cannot—support.
LensPin keeps both nearby iPhone photos visible so you can tell whether the suggestion represents a stable place, movement, or only a weak one-sided clue.
Before-and-after thumbnails, capture times, time gaps, and map positions stay attached to the camera photo.
Nearby anchors can support a shared area. Distant anchors are treated as movement, not as permission to invent a route between them.
The detail view shows the nearest eligible iPhone photos and which time or distance limit they failed.
No nearby iPhone photos
LensPin may give no suggestion instead of widening the window.
Camera clock offset
Calibrate with one known moment before a large batch.
Fast movement
A GPX track usually gives denser evidence for driving or train trips.