diff --git a/cmake/toolchains/arm-ios-common.cmake b/cmake/toolchains/arm-ios-common.cmake
new file mode 100644
index 0000000..6cf48e0
--- /dev/null
+++ b/cmake/toolchains/arm-ios-common.cmake
@@ -0,0 +1,21 @@
+if (NOT DRACO_CMAKE_TOOLCHAINS_ARM_IOS_COMMON_CMAKE_)
+set(DRACO_CMAKE_ARM_IOS_COMMON_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Darwin")
+set(CMAKE_OSX_SYSROOT iphoneos)
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_C_COMPILER_ARG1 "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_CXX_COMPILER_ARG1 "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+
+# Assembler sources must be converted for ARM iOS targets.
+set(AOM_ADS2GAS_REQUIRED 1)
+set(AOM_ADS2GAS "${CMAKE_CURRENT_SOURCE_DIR}/build/make/ads2gas_apple.pl")
+set(AOM_GAS_EXT "S")
+
+# No runtime cpu detect for arm*-ios targets.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
+
+# TODO(tomfinegan): Handle bit code embedding.
+
+endif ()  # DRACO_CMAKE_TOOLCHAINS_ARM_IOS_COMMON_CMAKE_
diff --git a/cmake/toolchains/arm64-ios.cmake b/cmake/toolchains/arm64-ios.cmake
new file mode 100644
index 0000000..0d4909e
--- /dev/null
+++ b/cmake/toolchains/arm64-ios.cmake
@@ -0,0 +1,14 @@
+if (NOT DRACO_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_)
+set(DRACO_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_ 1)
+
+if (XCODE)
+  # TODO(tomfinegan): Handle arm builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif ()
+
+set(CMAKE_SYSTEM_PROCESSOR "arm64")
+set(CMAKE_OSX_ARCHITECTURES "arm64")
+
+include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake")
+
+endif ()  # DRACO_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_
diff --git a/cmake/toolchains/armv7-ios.cmake b/cmake/toolchains/armv7-ios.cmake
new file mode 100644
index 0000000..2394f37
--- /dev/null
+++ b/cmake/toolchains/armv7-ios.cmake
@@ -0,0 +1,20 @@
+if (NOT DRACO_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_)
+set(DRACO_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_ 1)
+
+if (XCODE)
+  # TODO(tomfinegan): Handle arm builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif ()
+
+set(CMAKE_SYSTEM_PROCESSOR "armv7")
+set(CMAKE_OSX_ARCHITECTURES "armv7")
+
+include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake")
+
+# No intrinsics flag required for armv7s-ios.
+set(AOM_NEON_INTRIN_FLAG "")
+
+# No runtime cpu detect for armv7s-ios.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
+
+endif ()  # DRACO_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_
diff --git a/cmake/toolchains/armv7s-ios.cmake b/cmake/toolchains/armv7s-ios.cmake
new file mode 100644
index 0000000..b69f7fb
--- /dev/null
+++ b/cmake/toolchains/armv7s-ios.cmake
@@ -0,0 +1,20 @@
+if (NOT DRACO_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_)
+set(DRACO_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_ 1)
+
+if (XCODE)
+  # TODO(tomfinegan): Handle arm builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif ()
+
+set(CMAKE_SYSTEM_PROCESSOR "armv7s")
+set(CMAKE_OSX_ARCHITECTURES "armv7s")
+
+include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake")
+
+# No intrinsics flag required for armv7s-ios.
+set(AOM_NEON_INTRIN_FLAG "")
+
+# No runtime cpu detect for armv7s-ios.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
+
+endif ()  # DRACO_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_