diff --git a/website/server/controllers/top-level/payments/iap.js b/website/server/controllers/top-level/payments/iap.js
index 39817c6db5..50a3209e57 100644
--- a/website/server/controllers/top-level/payments/iap.js
+++ b/website/server/controllers/top-level/payments/iap.js
@@ -54,11 +54,31 @@ api.iapAndroidVerify = {
       userId: user._id,
     });
 
+    let amount;
+
+    switch (receiptObj.productId) {
+      case 'com.habitrpg.android.habitica.iap.4gems':
+        amount = 1;
+        break;
+      case 'com.habitrpg.android.habitica.iap.20gems':
+      case 'com.habitrpg.android.habitica.iap.21gems':
+        amount = 5.25;
+        break;
+      case 'com.habitrpg.android.habitica.iap.42gems':
+        amount = 10.5;
+        break;
+      case 'com.habitrpg.android.habitica.iap.84gems':
+        amount = 21;
+        break;
+    }
+
+    if (!amount) throw new Error('INVALID_ITEM_PURCHASED');
+
     await payments.buyGems({
       user,
       paymentMethod: 'IAP GooglePlay',
-      amount: 5.25,
-      headers: req.headers,
+      amount,
+      headers: req.headers
     });
 
     res.respond(200, googleRes);
@@ -114,23 +134,32 @@ api.iapiOSVerify = {
           throw new Error('RECEIPT_ALREADY_USED');
         }
 
+        let amount;
         switch (purchaseData.productId) {
           case 'com.habitrpg.ios.Habitica.4gems':
-            await payments.buyGems({user, paymentMethod: 'IAP AppleStore', amount: 1, headers: req.headers}); // eslint-disable-line babel/no-await-in-loop
-            break;
-          case 'com.habitrpg.ios.Habitica.8gems':
-            await payments.buyGems({user, paymentMethod: 'IAP AppleStore', amount: 2, headers: req.headers}); // eslint-disable-line babel/no-await-in-loop
+            amount = 1;
             break;
           case 'com.habitrpg.ios.Habitica.20gems':
           case 'com.habitrpg.ios.Habitica.21gems':
-            await payments.buyGems({user, paymentMethod: 'IAP AppleStore', amount: 5.25, headers: req.headers}); // eslint-disable-line babel/no-await-in-loop
+            amount = 5.25;
             break;
           case 'com.habitrpg.ios.Habitica.42gems':
-            await payments.buyGems({user, paymentMethod: 'IAP AppleStore', amount: 10.5, headers: req.headers}); // eslint-disable-line babel/no-await-in-loop
+            amount = 10.5;
+            break;
+          case 'com.habitrpg.ios.Habitica.84gems':
+            amount = 21;
             break;
-          default:
-            correctReceipt = false;
         }
+        if (!amount) {
+          correctReceipt = false;
+          break;
+        }
+        await payments.buyGems({
+          user,
+          paymentMethod: 'IAP AppleStore',
+          amount,
+          headers: req.headers
+        }); // eslint-disable-line babel/no-await-in-loop
       }
 
       if (!correctReceipt) throw new Error('INVALID_ITEM_PURCHASED');