Overview:
Sometimes are app does not add the quantity label to the field when the app loads and will need to be added manually through JS.
Solution:
On the Online Store section of your store click Edit Code.
Open the theme.liquid file
Add the following before the closing </body>
<script type="text/javascript">
function accessoriesDoneLoadingCallback() {
$(".accessoryQuantity").each(function( index, element ){
var qty = "<div style='display: inline;float: left;margin-top: 20px;margin-right: 10px;'>Qty</div>";
$(qty).insertBefore(this);
});
}
</script>
Click Save at the top of the page.
On page load a label will display before the input.
You can edit the spacing and 'Qty' text in the snippet by changing the values in the div.
