I can install the .ipa file of my app on through Xcode and ideviceinstaller or iTunes.
When i try to use Appium v1.4.13 Inspector tool to load the app, I get
info: Launching instruments
info: [debug] Attempting to run app on real device with UDID 727dd3554e40218c8194412967d85501ca6bebc9
info: [debug] Spawning instruments with command: /Applications/Xcode.app/Contents/Developer/usr/bin/instruments -t /Applications/Xcode.app/Contents/Applications/Instruments.app/Contents/PlugIns/AutomationInstrument.xrplugin/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w 727dd3554e40218c8194412967d85501ca6bebc9 com.appname.Appname -e UIASCRIPT “/Users/me/Library/Application Support/appium/bootstrap/bootstrap-5923cadea0343e3f.js” -e UIARESULTSPATH /tmp/appium-instruments
info: [debug] And extra without-delay env: {}
info: [debug] And launch timeouts (in ms): {“global”:90000}
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 syslogd[25] : ASL Sender Statistics
info: --> GET /wd/hub/status {}
info: [debug] Responding to client with success: {“status”:0,“value”:{“build”:{“version”:“1.4.13”,“revision”:“c75d8adcb66a75818a542fe1891a34260c21f76a”},“isShuttingDown”:false},“sessionId”:“8e13e42c-27a6-4378-9ad1-f96843f6da31”}
info: <-- GET /wd/hub/status 200 3.818 ms - 179 {“status”:0,“value”:{“build”:{“version”:“1.4.13”,“revision”:“c75d8adcb66a75818a542fe1891a34260c21f76a”},“isShuttingDown”:false},“sessionId”:“8e13e42c-27a6-4378-9ad1-f96843f6da31”}
info: [debug] [INST STDERR] 2015-12-23 08:39:32.669 instruments[567:8965] WebKit Threading Violation - initial use of WebKit from a secondary thread.
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 SpringBoard[61] : SecTrustEvaluate [leaf IssuerCommonName SubjectCommonName]
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 SpringBoard[61] : MIS: Using empty blacklist.
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 SpringBoard[61] : SecTrustEvaluate [leaf IssuerCommonName SubjectCommonName]
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 SpringBoard[61] : MIS: Using empty blacklist.
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 kernel[0] : xpcproxy[736] Container: /private/var/mobile/Containers/Data/Application/264DCB07-CBEA-4F88-92CF-877E0141B2CF (sandbox)
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 DTServiceHub[290] : Unable to acquire task port after launch of pid 736 (com.perooski.Perooski)
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:32 Rockville-iPhone-6 com.apple.xpc.launchd[1] (UIKitApplication:com.appname.Appname[0xb9c7][736]) : Service exited due to signal: Killed: 9
info: [IOS_SYSLOG_ROW ] Dec 23 08:39:33 Rockville-iPhone-6 SpringBoard[61] : Application ‘UIKitApplication:com.appname.Appname[0xb9c7]’ exited abnormally via signal.
info: [debug] [INST STDERR] 2015-12-23 08:39:33.064 instruments[567:8935] Attempting to change event horizon while disengage
info: [debug] [INST STDERR] Instruments Trace Error : Target failed to run: Permission to debug com.appname.Appname was denied. The app must be signed with a development identity (e.g. iOS Developer).
2015-12-23 08:39:33.066 instruments[567:8966] Attempting to change event horizon while disengage
info: [debug] [INSTSERVER] Instruments exited with code 253
info: [debug] Killall instruments
info: [debug] Instruments crashed on startup
info: [debug] We exceeded the number of retries allowed for instruments to successfully start; failing launch
info: [debug] Stopping iOS log capture
info: [debug] Running ios sim reset flow
info: [debug] Killing the simulator process
info: [debug] Killing any other simulator daemons
info: [debug] Killall iOS Simulator
info: [debug] fullReset requested. Will try to uninstall the app.
info: [debug] Removed com.appname.Appname
error: Failed to start an Appium session, err was: Error: Instruments crashed on startup