diff --git a/nx/include/switch/runtime/hosversion.h b/nx/include/switch/runtime/hosversion.h
index 8860a07c..05611099 100644
--- a/nx/include/switch/runtime/hosversion.h
+++ b/nx/include/switch/runtime/hosversion.h
@@ -28,8 +28,8 @@ typedef enum {
     CompareResult_Unknown
 } CompareResult;
 
-CompareResult cmpresNot(CompareResult in) {
-    // Does a not-operation. True maps to False, False maps to True. Unknown maps to Unknown.
+static inline CompareResult cmpresNot(CompareResult in) {
+    // Does a boolean NOT operation.
     switch (in) {
     case CompareResult_False:
 	return CompareResult_True;
@@ -40,6 +40,19 @@ CompareResult cmpresNot(CompareResult in) {
     }
 }
 
+static inline CompareResult cmpresAnd(CompareResult a, CompareResult b) {
+    switch (a) {
+    case CompareResult_False:
+	return CompareResult_False;
+    case CompareResult_True:
+	return b;
+    case CompareResult_Unknown:
+	if (b != CompareResult_True)
+	    return b;
+	return CompareResult_Unknown;
+    }
+}
+
 /// Returns true if the current HOS version is equal to or above the specified major/minor/micro version.
 CompareResult hosversionAtLeast(u8 major, u8 minor, u8 micro);
 
@@ -47,3 +60,8 @@ CompareResult hosversionAtLeast(u8 major, u8 minor, u8 micro);
 static inline CompareResult hosversionBefore(u8 major, u8 minor, u8 micro) {
     return cmpresNot(hosversionAtLeast(major, minor, micro));
 }
+
+/// Returns true if the current HOS version is between the two specified major versions, i.e. [major1, major2).
+static inline CompareResult hosversionBetween(u8 major0, u8 minor0, u8 micro0, u8 major1, u8 minor1, u8 micro1) {
+    return cmpresAnd(hosversionAtLeast(major0, minor0, micro0), hosversionBefore(major1, minor1, micro1));
+}