Seismometer

Needle moves when iPod is flat Like the guy above said

Jiggles make squiggles. OK cool for 10 seconds. No ability to time/date the track, or explain what is going on. I'm a geologist and should find this wonderful but this is a pretty cheesy app.

got it while it was free. very worthwhile and useful too lol

Great app! Fun to play around with when I am bored... I seem to use it all the time! Great entertainment value for only 99cents! It could use some additions for sure that would make it more practical. like being able to take a snap of it or recording to make actually useful. But just the same for the price it is on my keeper list. Gets lots of amusment value when showing off my phone.

When I first got this, I thought it was kind of cool, but with the update it is excellent.

I work as a camera operator for Broadcast TV... Having a stable surface is critical for a shooting position. I can totally see this app as being a valuable tool with some further useability added. With the needle shortened we can now see more data which is better in this version but to scroll back and review your session would still be very valuable to me. The added controls and pause feature are great additions and going in the right direction. Suggestions: add a time count along the graph margin to see how long the session has gone. When paused if you can *scroll* back and review the data this app would add huge useability. As it stands now, you only see what's on the screen at that given moment which is this app's biggest limitation. Future consideration to scroll, save the graph, compare sessions, email graph, and perhaps sound alerts at target thresholds will make this app a truly useful tool rather than just a cool novelty. That said, it's still a really cool novelty right now!! Well done. Great job.

A neat and clever gadget that actually works. It will be helpful if the developer provides explanation to the meaning of the various setting components : e.g. What is the difference between having a high-pass filter or not ? What is logarithmic scale versus linear scale ? And what are the distinctions between "Y&Z" and "All" axis? etc. Is there a typical setting that resembles a weather station's seisometer ?

The update for this app makes it a winner. A fun little app to toy around with. Recommended! --------- Original concept but does not flatline. Also, cannot seem to duplicate the "Settings" and "Pause" buttons as viewed on the screenshot of this app. This app is almost fun.

Very good app. To comment to the ones thatvthink the line should be zero once it's on a table is wrong. A car passing on the street is enough to shake an iPhone on a table. A dog barking or your breathing on the table while watching the app is enough to move the needle to not equal zero. Very nice tool to show students how environmental vibrations effect items. Try it go to another room and shout if you're loud enough you can move the needle.

I find myself opening this app up whenever I'm bored.. I just place it on the floor and start jumping to whatch the needle go crazy. I think it's quite amusing.. For people easily amused, this app will take up lots of your time. I love it!