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I've been asked to develop an app with the core functionality of reading RFID chips in pets and checking those identification numbers against a database through some web service.
I was first directed towards iCarte, supposed maker of an NFC/RFID Reader accessory for iPhone. I sent them an email that was immediately returned due to them exceeding their mailbox quota, so I suppose they are out of business?
Other solutions come in the form of Bluetooth ready readers, like those from Serialio. Demos show data being read into iOS's Notes app or some grid app. I haven't developed iPhone apps in a while... is the Bluetooth API available? How about for Android? Could I read from the Bluetooth reader straight into an app?
What other options are there?
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NFC enabled phones can ONLY read NFC and passive high frequency RFID (HF-RFID). These must be read at an extremely close range, typically a few centimeters. For longer range or any other type of RFID/active RFID, you must use an external reader for handling them with mobile devices.
A UHF RFID reader option for both Android and iOS is available from a company called U Grok It. It is just UHF, which is "non-NFC enabled Android", if that's what you meant. My apologies if you meant an NFC reader for Android devices that don't have an NFC reader built-in.
For longer range or any other type of RFID/active RFID, you must use an external reader for handling them with mobile devices. You can get some decent readers from a lot of manufacturers by simply searching on google.
If this sounds useful, we’ve done the research and found the best RFID apps for iPhone and iPad. RFID AsReader Dock; simple RFID; RFID Web Wedge; RFID Explorer; TIPWeb-IT with RFID; RFID Tag Finder; RFID Scan Scan Write; Zebra RFID; CS108 RFID Reader; LSCM Handheld RFID Reader; Trovan LID710 BLE RFID Reader; 1. RFID AsReader Dock
Before you start any work please familiarize yourself with this:
http://en.wikipedia.org/wiki/ISO_11784_%26_11785
and this: http://en.wikipedia.org/wiki/ISO_14223
RFIDs for animals are completely different protocol than NFC. It is more like UNIQUE tags (125kHz) . Anyway above ISO standards will be a good starting point for you.
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Android have native support for NFC, you don't need any bluetooth adapter or anything else:
http://developer.android.com/guide/topics/connectivity/nfc/index.html
Not all devices have it, but the major ones do have (e.g. galaxy nexus, nexus 4, galaxy S3, HTC One) and it works nice.
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