I've been monitoring LRPD dispatch and NLR PD/Fire dispatch on my iPhone (via the 5-0 Radio App) for the past few days. What a wonderful toy these mobile phones are!
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I have purchased 5 iPhone apps (mostly to compare the features) There are some awesome ones out there! The apps range in costs from $ .99 cents to $2.99, some are worth the costs, some are not!
These are my opinions about the apps I have:
"Action Scanner", (probably my favorite) this app allows your iPhone to "scan" 4 different feeds at once. It has 4 banks x 4 feeds = total of 16 feeds, but you can only listen to 4 feeds (1 bank) at a time. It has a "hold/scan" feature if you want to lock it on a particular feed. It allows you to pick and choose what feeds you want to listen to on each bank.
"Scanner911", (Second favorite) this app (and all the others) only allows you to monitor 1 feed at a time. It displays a map for the area the feed covers. One of the neatest features of this app is the ability to "record" audio from the feed you are listening to, so if you hear anything going on like a pursuit or an interesting or funny conversation then you can record it and share it with others!
"5-0 Radio", (Another really good app!) I like 2 things about this app. 1. it shows how many people are listening to the feed (great if you are a feed provider) and 2. the menu selection that allows you to look at either your favorites, time of day, 10-codes, or a map for the area the feed covers.
"Scanner Radio", Not the flashiest app at all, but probably the most accurate for active feeds (the fewest dead links)! I wish this app would list the "feed" you are listening to instead of the "county" you are listening to. If there are several feeds from a particular county then you will not know exactly which feed you are listening to at a glance. This app does provide a Twitter and Facebook interface.
"Emergency Radio" my least favorite due to the fact that the database has quite a few older dead links that do not work! It also offers the fewest "bells and whistles". There is not any flash to this app at all, it really needs an overhaul to make it a better app.
There are others apps out there, most of them are not worth the $1.00 or two that you have to pay for them! One of my biggest "dislikes" is the 10-code list's provided on most of these apps, It is useless, they are 10-codes for like LA or NY and NOT personalized for your particular area, which would probably be near impossible to do anyways.
Another "irk" of mine is these apps don't update their databases near often enough for me, which means more "dead links"!
There is an app for the Blackberry (I have an iPhone) I have only heard of the BBscan app, sorry I do not know anything about the app, but heard it worked pretty well.