diff --git a/interface.html b/interface.html
index 91743c0..c132255 100644
--- a/interface.html
+++ b/interface.html
@@ -720,7 +720,7 @@ <h3><small>App version and bundle ID</small></h3>
                   <div class="col-sm-8">
                     <input type="text" name="fl-store-versionNumber" class="form-control" id="fl-store-versionNumber" data-error="Please enter an app version number" maxlength="64" required />
                     <div class="help-block with-errors"></div>
-                    <p class="help-block"><small>The recommended format for version number is <code>1.0.0</code>. With a maximum value of <code>99</code> per number.</small></p>
+                    <p class="help-block"><small>The required format for version number is <code>1.0.0</code>. With a maximum value of <code>99</code> per number.</small></p>
                   </div>
                 </div>
                 <div class="form-group clearfix">
@@ -1418,7 +1418,7 @@ <h3><small>App version and bundle ID</small></h3>
                   <div class="col-sm-8">
                     <input type="text" name="fl-ent-versionNumber" class="form-control" id="fl-ent-versionNumber" data-error="Please enter an app version number" required />
                     <div class="help-block with-errors"></div>
-                    <p class="help-block"><small>The recommended format for version number is <code>1.0.0</code>. With a maximum value of <code>99</code> per number.</small></p>
+                    <p class="help-block"><small>The required format for version number is <code>1.0.0</code>. With a maximum value of <code>99</code> per number.</small></p>
                   </div>
                 </div>
                 <div class="form-group clearfix">
@@ -1533,7 +1533,7 @@ <h4 class="panel-title collapsed" role="button" data-toggle="collapse" data-pare
                   <div class="col-sm-8">
                     <input type="text" name="fl-uns-versionNumber" class="form-control" id="fl-uns-versionNumber" data-error="Please enter an app version number" required />
                     <div class="help-block with-errors"></div>
-                    <p class="help-block"><small>The recommended format for version number is <code>1.0.0</code>. With a maximum value of <code>99</code> per number.</small></p>
+                    <p class="help-block"><small>The required format for version number is <code>1.0.0</code>. With a maximum value of <code>99</code> per number.</small></p>
                   </div>
                 </div>
                 <div class="form-group clearfix">
diff --git a/js/interface.js b/js/interface.js
index 56dea35..82ddeb3 100644
--- a/js/interface.js
+++ b/js/interface.js
@@ -67,6 +67,12 @@ var socket = Fliplet.Socket({
 });
 var socketClientId;
 
+/* ERROR MESSAGES */
+
+var ERRORS = {
+  INVALID_VERSION: 'The version number is incorrect. Please use a 3-part version number such as 1.0.0 where each part is no larger than 99.'
+};
+
 /* FUNCTIONS */
 String.prototype.toCamelCase = function () {
   return this.replace(/^([A-Z])|[^A-Za-z]+(\w)/g, function (match, p1, p2, offset) {
@@ -106,7 +112,7 @@ function createBundleID(orgName, appName) {
 }
 
 function incrementVersionNumber(versionNumber) {
-  var splitNumber = versionNumber.split('.');
+  var splitNumber = _.compact(versionNumber.split('.'));
   var arrLength = splitNumber.length;
 
   while (arrLength--) {
@@ -1566,6 +1572,10 @@ function checkGroupErrors() {
   });
 }
 
+function isValidVersion(version) {
+  return /^[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}$/.test(version);
+}
+
 function validateScreenshots() {
   var imageErrors = [];
   var supportedFormats = _.uniqBy(_.concat.apply(null, _.map(screenshotRequirements, 'sizes')),
@@ -2424,6 +2434,13 @@ $('#appStoreConfiguration').validator().on('submit', function (event) {
 
   event.preventDefault();
 
+  if (!isValidVersion($('[name="fl-store-versionNumber"]').val())) {
+    Fliplet.Modal.alert({
+      message: ERRORS.INVALID_VERSION
+    });
+    return;
+  }
+
   if ($('[name="fl-store-screenshots"]:checked').val() === 'new' && !hasAllScreenshots) {
     Fliplet.Modal.alert({
       message: 'You need to add screenshots before submitting'
@@ -2518,6 +2535,13 @@ $('#enterpriseConfiguration').validator().on('submit', function (event) {
 
   event.preventDefault();
 
+  if (!isValidVersion($('[name="fl-ent-versionNumber"]').val())) {
+    Fliplet.Modal.alert({
+      message: ERRORS.INVALID_VERSION
+    });
+    return;
+  }
+
   if (!enterpriseManual && !enterpriseLoggedIn) {
     Fliplet.Modal.alert({
       message: 'Please log in with the Apple Developer Account or choose to enter the data manually.'
@@ -2592,6 +2616,13 @@ $('#unsignedConfiguration').validator().on('submit', function (event) {
 
   event.preventDefault();
 
+  if (!isValidVersion($('[name="fl-uns-versionNumber"]').val())) {
+    Fliplet.Modal.alert({
+      message: ERRORS.INVALID_VERSION
+    });
+    return;
+  }
+
   if (appInfo && appInfo.productionAppId) {
     if (allAppData.indexOf('unsigned') > -1) {
       var message = 'Are you sure you wish to update your published app?';