diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 72d2213..20fb8cc 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -640,8 +640,8 @@
                     DimensionType.WIDTH, numShownAllAppsColumns, availableWidthPx,
                     mResponsiveWorkspaceWidthSpec);
             mResponsiveAllAppsHeightSpec = allAppsSpecs.getCalculatedSpec(responsiveAspectRatio,
-                    DimensionType.HEIGHT, inv.numRows,  heightPx - mInsets.top,
-                    mResponsiveWorkspaceHeightSpec);
+                    DimensionType.HEIGHT, inv.numAllAppsRowsForCellHeightCalculation,
+                    heightPx - mInsets.top, mResponsiveWorkspaceHeightSpec);
 
             ResponsiveSpecsProvider folderSpecs = ResponsiveSpecsProvider.create(
                     new ResourceHelper(context,
@@ -1341,7 +1341,7 @@
 
         if (allAppsCellHeightPx < cellContentDimensions.getCellContentHeight()) {
             if (isVerticalBarLayout()) {
-                if (allAppsCellHeightPx < iconSizePx) {
+                if (allAppsCellHeightPx < allAppsIconSizePx) {
                     cellContentDimensions.setIconSizePx(
                             mIconSizeSteps.getIconSmallerThan(allAppsCellHeightPx));
                 }
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 1cbc5b6..78c12e5 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -170,6 +170,7 @@
      * Number of columns in the all apps list.
      */
     public int numAllAppsColumns;
+    public int numAllAppsRowsForCellHeightCalculation;
     public int numDatabaseAllAppsColumns;
     public @StyleRes int allAppsStyle;
 
@@ -393,6 +394,8 @@
         workspaceCellSpecsTwoPanelId = closestProfile.mWorkspaceCellSpecsTwoPanelId;
         allAppsCellSpecsId = closestProfile.mAllAppsCellSpecsId;
         allAppsCellSpecsTwoPanelId = closestProfile.mAllAppsCellSpecsTwoPanelId;
+        numAllAppsRowsForCellHeightCalculation =
+                closestProfile.mNumAllAppsRowsForCellHeightCalculation;
         this.deviceType = deviceType;
 
         inlineNavButtonsEndSpacing = closestProfile.inlineNavButtonsEndSpacing;
@@ -423,6 +426,7 @@
         allAppsStyle = closestProfile.allAppsStyle;
 
         numAllAppsColumns = closestProfile.numAllAppsColumns;
+
         numDatabaseAllAppsColumns = deviceType == TYPE_MULTI_DISPLAY
                 ? closestProfile.numDatabaseAllAppsColumns : closestProfile.numAllAppsColumns;
 
@@ -821,6 +825,7 @@
 
         private final @StyleRes int allAppsStyle;
         private final int numAllAppsColumns;
+        private final int mNumAllAppsRowsForCellHeightCalculation;
         private final int numDatabaseAllAppsColumns;
         private final int numHotseatIcons;
         private final int numDatabaseHotseatIcons;
@@ -971,6 +976,9 @@
                 mAllAppsCellSpecsTwoPanelId = a.getResourceId(
                         R.styleable.GridDisplayOption_allAppsCellSpecsTwoPanelId,
                         INVALID_RESOURCE_HANDLE);
+                mNumAllAppsRowsForCellHeightCalculation = a.getInt(
+                        R.styleable.GridDisplayOption_numAllAppsRowsForCellHeightCalculation,
+                        numRows);
             } else {
                 mWorkspaceSpecsId = INVALID_RESOURCE_HANDLE;
                 mWorkspaceSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
@@ -984,6 +992,7 @@
                 mWorkspaceCellSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
                 mAllAppsCellSpecsId = INVALID_RESOURCE_HANDLE;
                 mAllAppsCellSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
+                mNumAllAppsRowsForCellHeightCalculation = numRows;
             }
 
             int inlineForRotation = a.getInt(R.styleable.GridDisplayOption_inlineQsb,
diff --git a/src/com/android/launcher3/responsive/ResponsiveSpec.kt b/src/com/android/launcher3/responsive/ResponsiveSpec.kt
index b0e1b27..65e0b32 100644
--- a/src/com/android/launcher3/responsive/ResponsiveSpec.kt
+++ b/src/com/android/launcher3/responsive/ResponsiveSpec.kt
@@ -59,7 +59,7 @@
     val cellSize: SizeSpec,
 ) : IResponsiveSpec {
     init {
-        check(isValid()) { "Invalid ResponsiveSpec found." }
+        check(isValid()) { "Invalid ResponsiveSpec found. $this" }
     }
 
     constructor(
@@ -106,7 +106,7 @@
         }
 
         if (!isValidRemainderSpace()) {
-            logError("The total Remainder Space used must be lower or equal to 100%.")
+            logError("The total Remainder Space used must be equal to 0 or 1.")
             return false
         }
 
@@ -131,11 +131,12 @@
     }
 
     private fun isValidRemainderSpace(): Boolean {
-        // TODO(b/313621277): This validation must be update do accept only 0 or 1 instead of <= 1f.
-        return startPadding.ofRemainderSpace +
-            endPadding.ofRemainderSpace +
-            gutter.ofRemainderSpace +
-            cellSize.ofRemainderSpace <= 1f
+        val remainderSpaceUsed =
+            startPadding.ofRemainderSpace +
+                endPadding.ofRemainderSpace +
+                gutter.ofRemainderSpace +
+                cellSize.ofRemainderSpace
+        return remainderSpaceUsed == 0f || remainderSpaceUsed == 1f
     }
 
     private fun isValidAvailableSpace(): Boolean {
@@ -254,8 +255,8 @@
 
         startPaddingPx = spec.startPadding.getRemainderSpaceValue(remainderSpace, startPaddingPx)
         endPaddingPx = spec.endPadding.getRemainderSpaceValue(remainderSpace, endPaddingPx)
-        gutterPx = spec.gutter.getRemainderSpaceValue(remainderSpace, gutterPx)
-        cellSizePx = spec.cellSize.getRemainderSpaceValue(remainderSpace, cellSizePx)
+        gutterPx = spec.gutter.getRemainderSpaceValue(remainderSpace, gutterPx, gutters)
+        cellSizePx = spec.cellSize.getRemainderSpaceValue(remainderSpace, cellSizePx, cells)
     }
 
     override fun hashCode(): Int {
diff --git a/src/com/android/launcher3/responsive/SizeSpec.kt b/src/com/android/launcher3/responsive/SizeSpec.kt
index d146898..41dcd5e 100644
--- a/src/com/android/launcher3/responsive/SizeSpec.kt
+++ b/src/com/android/launcher3/responsive/SizeSpec.kt
@@ -57,11 +57,16 @@
     /**
      * Calculates the [SizeSpec] value when remainder space value is defined. If no remainderSpace
      * is 0, returns a default value.
+     *
+     * @param remainderSpace The remainder space to be used for the calculation
+     * @param defaultValue The default value to be returned when no ofRemainderSpace is defined
+     * @param factor A number to divide the remainder space. The default value is 1. This property
+     *   is used to split equally the remainder space by the number of cells and gutters.
      */
-    fun getRemainderSpaceValue(remainderSpace: Int, defaultValue: Int): Int {
+    fun getRemainderSpaceValue(remainderSpace: Int, defaultValue: Int, factor: Int = 1): Int {
         val remainderSpaceValue =
             if (ofRemainderSpace > 0) {
-                (ofRemainderSpace * remainderSpace).roundToInt()
+                (ofRemainderSpace * remainderSpace / factor).roundToInt()
             } else {
                 defaultValue
             }