diff --git a/ion/src/sdl/ios/Info.plist b/ion/src/sdl/ios/Info.plist
index ae06bbe5a..b4541a833 100644
--- a/ion/src/sdl/ios/Info.plist
+++ b/ion/src/sdl/ios/Info.plist
@@ -2,18 +2,16 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
   <dict>
-    <key>BuildMachineOSBuild</key>
-    <string>18B75</string>
     <key>CFBundleDevelopmentRegion</key>
     <string>en</string>
     <key>CFBundleExecutable</key>
     <string>Epsilon</string>
     <key>CFBundleIdentifier</key>
-    <string>com.blabla.PlifPlouf</string>
+    <string>com.numworks.calculator</string>
     <key>CFBundleInfoDictionaryVersion</key>
     <string>6.0</string>
     <key>CFBundleName</key>
-    <string>PlifPlouf</string>
+    <string>NumWorks Graphing Calculator</string>
     <key>CFBundlePackageType</key>
     <string>APPL</string>
     <key>CFBundleShortVersionString</key>
@@ -24,12 +22,6 @@
     </array>
     <key>CFBundleVersion</key>
     <string>1</string>
-    <key>DTCompiler</key>
-    <string>com.apple.compilers.llvm.clang.1_0</string>
-    <key>DTPlatformBuild</key>
-    <string>10B61</string>
-    <key>DTPlatformName</key>
-    <string>iphonesimulator</string>
     <key>DTPlatformVersion</key>
     <string>12.1</string>
     <key>DTSDKBuild</key>
@@ -47,11 +39,21 @@
     </array>
     <key>UIRequiredDeviceCapabilities</key>
     <array>
-      <string>armv7</string>
     </array>
     <key>UILaunchStoryboardName</key>
     <string>launch</string>
     <key>UISupportedInterfaceOrientations</key>
     <array/>
+    <key>UISupportedInterfaceOrientations</key>
+    <array>
+      <string>UIInterfaceOrientationPortrait</string>
+    </array>
+    <key>UISupportedInterfaceOrientations~ipad</key>
+    <array>
+      <string>UIInterfaceOrientationPortrait</string>
+      <string>UIInterfaceOrientationPortraitUpsideDown</string>
+      <string>UIInterfaceOrientationLandscapeLeft</string>
+      <string>UIInterfaceOrientationLandscapeRight</string>
+    </array>
   </dict>
 </plist>
diff --git a/ion/src/sdl/ios/Makefile b/ion/src/sdl/ios/Makefile
index 9d5c9642e..8e6648431 100644
--- a/ion/src/sdl/ios/Makefile
+++ b/ion/src/sdl/ios/Makefile
@@ -3,3 +3,72 @@ src += $(addprefix ion/src/sdl/ios/, \
 )
 
 $(call object_for,ion/src/sdl/shared/main.cpp) : SFLAGS += -DEPSILON_SDL_FULLSCREEN=1
+
+
+# Cross-ARCH epsilon.bin
+
+.PHONY: force_remake
+
+$(BUILD_DIR)/%/epsilon.bin: force_remake
+	$(Q) echo "MAKE    ARCH=$*"
+	$(Q) $(MAKE) ARCH=$*
+
+ARCHS ?= x86_64
+
+# iOS resources
+
+ios_resource = $(addprefix $(BUILD_DIR)/app/Payload/Epsilon.app/,$(1))
+
+$(BUILD_DIR)/app/entitlements.plist: ion/src/sdl/ios/entitlements.plist
+	$(call rule_label,PLUTIL)
+	$(Q) cp $^ $@
+	$(Q) plutil -insert "com\.apple\.developer\.team-identifier" -string "$(IOS_IDENTIFIER)" $@
+	$(Q) plutil -insert "application-identifier" -string "$(IOS_IDENTIFIER).com.numworks.calculator" $@
+	$(Q) plutil -insert "keychain-access-groups.0" -string "$(IOS_IDENTIFIER).com.numworks.calculator" $@
+
+$(call ios_resource,icon.png):: ion/src/sdl/assets/logo.svg | $$(@D)/.
+	$(call rule_label,CONVERT)
+	$(Q) convert -background "#FFB734" $< $@
+
+$(call ios_resource,Epsilon): $(patsubst %,$(BUILD_DIR)/%/epsilon.bin,$(ARCHS)) | $$(@D)/.
+	$(call rule_label,LIPO)
+	$(Q) lipo -create $^ -output $@
+
+.PHONY: $(call ios_resource,Epsilon).signed
+$(call ios_resource,Epsilon).signed: $(call ios_resource,Epsilon) $(BUILD_DIR)/app/entitlements.plist
+	$(call rule_label,SIGN)
+	$(Q) codesign --force --entitlements $(BUILD_DIR)/app/entitlements.plist --sign "iPhone Distribution: NumWorks" $<
+
+$(call ios_resource,background.jpg): ion/src/sdl/assets/background.jpg
+	$(call rule_label,COPY)
+	$(Q) cp $^ $@
+
+$(call ios_resource,Info.plist): ion/src/sdl/ios/Info.plist
+	$(call rule_label,PLUTIL)
+	$(Q) cp $^ $@
+	$(Q) plutil -insert "DTPlatformName" -string "$(SDK)" $@
+	$(foreach arch,$(ARCHS),$(Q) plutil -insert "UIRequiredDeviceCapabilities.0" -string "$(arch)" $@)
+
+$(call ios_resource,launch.storyboardc): ion/src/sdl/ios/launch.storyboard
+	$(call rule_label,IBTOOL)
+	$(Q) ibtool --compile $@ $^
+
+$(call ios_resource,embedded.mobileprovision): $(IOS_PROVISIONNING_PROFILE)
+	$(call rule_label,COPY)
+	$(Q) cp $^ $@
+
+epsion_ipa_deps: $(call ios_resource,\
+  Epsilon.signed \
+  Info.plist \
+  background.jpg \
+  embedded.mobileprovision \
+  icon.png \
+  launch.storyboardc \
+)
+
+$(BUILD_DIR)/app/epsilon.ipa: epsion_ipa_deps
+	$(call rule_label,ZIP)
+	$(Q) cd $(dir $@) ; zip -qr9 $(notdir $@) Payload
+
+epsilon_run: $(BUILD_DIR)/app/Epsilon.app
+	xcrun simctl install booted $(BUILD_DIR)/app/Epsilon.app
diff --git a/ion/src/sdl/ios/entitlements.plist b/ion/src/sdl/ios/entitlements.plist
new file mode 100644
index 000000000..0ab20a7da
--- /dev/null
+++ b/ion/src/sdl/ios/entitlements.plist
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>beta-reports-active</key>
+    <true/>
+    <key>get-task-allow</key>
+    <false/>
+    <key>keychain-access-groups</key>
+    <array>
+    </array>
+  </dict>
+</plist>
diff --git a/scripts/targets.sdl.ios.mak b/scripts/targets.sdl.ios.mak
deleted file mode 100644
index fca46bc5d..000000000
--- a/scripts/targets.sdl.ios.mak
+++ /dev/null
@@ -1,21 +0,0 @@
-.PHONY: force_rebuild_libepsilon
-
-$(BUILD_DIR)/%/epsilon.bin: force_rebuild_libepsilon
-	$(Q) echo "MAKE    ARCH=$*"
-	$(Q) $(MAKE) ARCH=$*
-
-ARCHS ?= x86_64
-
-.PHONY: epsilon.ipa
-epsilon.ipa: $(BUILD_DIR)/app/Epsilon.app
-
-$(BUILD_DIR)/app/Epsilon.app: $(patsubst %,$(BUILD_DIR)/%/epsilon.bin,$(ARCHS))
-	rm -rf $@
-	mkdir -p $@
-	lipo -create $^ -output $@/Epsilon
-	cp ion/src/sdl/ios/Info.plist $@/
-	cp ion/src/sdl/assets/* $@/
-	ibtool --compile $@/launch.storyboardc ion/src/sdl/ios/launch.storyboard
-
-epsilon_run: $(BUILD_DIR)/app/Epsilon.app
-	xcrun simctl install booted $(BUILD_DIR)/app/Epsilon.app