diff --git a/action.yml b/action.yml
index 963c3d36..b3ad25a6 100644
--- a/action.yml
+++ b/action.yml
@@ -17,6 +17,9 @@ inputs:
   lcov-base:
     description: The location of the lcov file for the base branch. Applicable for single repo setup.
     required: false
+  app-name:
+    description: App name to display on comment
+    required: false
 runs:
   using: node12
   main: dist/main.js
diff --git a/dist/main.js b/dist/main.js
index a1cd21b6..ec7eeddc 100644
--- a/dist/main.js
+++ b/dist/main.js
@@ -6024,6 +6024,28 @@ function uncovered(file, options) {
         .join(", ");
 }
 
+/**
+ * Compares two arrays of objects and returns with unique lines update
+ * @param {number} pdiff value from diff percentage
+ * @returns {string} emoji string for negative/positive pdiff
+ */
+const renderEmoji = pdiff => {
+    if (pdiff.toFixed(2) < 0) return "❌";
+    return "✅";
+};
+
+/**
+ * Compares two arrays of objects and returns with unique lines update
+ * @param {Array} otherArray
+ * @returns {Function} function with filtering non original lines
+ */
+const comparer = otherArray => current =>
+    otherArray.filter(
+        other =>
+            other.lines.found === current.lines.found &&
+            other.lines.hit === current.lines.hit,
+    ).length === 0;
+
 /**
  * Github comment for monorepo
  * @param {Array<{packageName, lcovPath}>} lcovArrayForMonorepo
@@ -6035,6 +6057,7 @@ function commentForMonorepo(
     lcovBaseArrayForMonorepo,
     options,
 ) {
+		const { base } = options;
     const html = lcovArrayForMonorepo.map(lcovObj => {
         const baseLcov = lcovBaseArrayForMonorepo.find(
             el => el.packageName === lcovObj.packageName,
@@ -6046,9 +6069,14 @@ function commentForMonorepo(
         const plus = pdiff > 0 ? "+" : "";
         const arrow = pdiff === 0 ? "" : pdiff < 0 ? "▾" : "▴";
 
-        const pdiffHtml = baseLcov
-            ? th(arrow, " ", plus, pdiff.toFixed(2), "%")
-            : "";
+        const pdiffHtml = baseLcov ? th(renderEmoji(pdiff), " ", arrow, " ", plus, pdiff.toFixed(2), "%") : "";
+				let report = lcovObj.lcov;
+
+        if (baseLcov) {
+            const onlyInLcov = lcovObj.lcov.filter(comparer(baseLcov));
+            const onlyInBefore = baseLcov.filter(comparer(lcovObj.lcov));
+            report = onlyInBefore.concat(onlyInLcov);
+        }
 
         return `${table(
             tbody(
@@ -6060,14 +6088,13 @@ function commentForMonorepo(
             ),
         )} \n\n ${details(
             summary("Coverage Report"),
-            tabulate(lcovObj.lcov, options),
+            tabulate(report, options),
         )} <br/>`;
     });
 
-    return fragment(
-        `Coverage after merging into ${b(options.base)} <p></p>`,
-        html.join(""),
-    );
+    const title = `Coverage after merging into ${b(base)} <p></p>`;
+
+    return fragment(title, html.join(""));
 }
 
 /**
@@ -6076,21 +6103,31 @@ function commentForMonorepo(
  * @param {*} options
  */
 function comment(lcov, before, options) {
+		const { appName, base } = options;
     const pbefore = before ? percentage(before) : 0;
     const pafter = before ? percentage(lcov) : 0;
     const pdiff = pafter - pbefore;
     const plus = pdiff > 0 ? "+" : "";
     const arrow = pdiff === 0 ? "" : pdiff < 0 ? "▾" : "▴";
 
-    const pdiffHtml = before ? th(arrow, " ", plus, pdiff.toFixed(2), "%") : "";
+		const pdiffHtml = before ? th(renderEmoji(pdiff), " ", arrow, " ", plus, pdiff.toFixed(2), "%") : "";
+
+    let report = lcov;
+
+    if (before) {
+        const onlyInLcov = lcov.filter(comparer(before));
+        const onlyInBefore = before.filter(comparer(lcov));
+        report = onlyInBefore.concat(onlyInLcov);
+    }
+
+		const title = `Coverage after merging into ${b(base)} <p></p>`;
+		const header = appName ? tbody(tr(th(appName), th(percentage(lcov).toFixed(2), '%'), pdiffHtml)) : tbody(tr(th(percentage(lcov).toFixed(2), '%'), pdiffHtml));
 
     return fragment(
-        `Coverage after merging ${b(options.head)} into ${b(
-            options.base,
-        )} <p></p>`,
-        table(tbody(tr(th(percentage(lcov).toFixed(2), "%"), pdiffHtml))),
+				title,
+        table(header),
         "\n\n",
-        details(summary("Coverage Report"), tabulate(lcov, options)),
+        details(summary("Coverage Report"), tabulate(report, options)),
     );
 }
 
@@ -6135,11 +6172,10 @@ function diffForMonorepo(
 // Every comment written by our action will have this hidden
 // header on top, and will be used to identify which comments
 // to update/delete etc
-const hiddenHeader = `<!-- monorepo-jest-reporter-action -->`;
 
-const appendHiddenHeaderToComment = body => hiddenHeader + body;
+const appendHiddenHeaderToComment = (body, hiddenHeader) => hiddenHeader + body;
 
-const listComments = async ({ client, context, prNumber, commentHeader }) => {
+const listComments = async ({ client, context, prNumber, commentHeader, hiddenHeader }) => {
     const { data: existingComments } = await client.issues.listComments({
         ...context.repo,
         issue_number: prNumber,
@@ -6148,18 +6184,18 @@ const listComments = async ({ client, context, prNumber, commentHeader }) => {
     return existingComments.filter(({ body }) => body.startsWith(hiddenHeader));
 };
 
-const insertComment = async ({ client, context, prNumber, body }) =>
+const insertComment = async ({ client, context, prNumber, body }, hiddenHeader) =>
     client.issues.createComment({
         ...context.repo,
         issue_number: prNumber,
-        body: appendHiddenHeaderToComment(body),
+        body: appendHiddenHeaderToComment(body, hiddenHeader),
     });
 
-const updateComment = async ({ client, context, body, commentId }) =>
+const updateComment = async ({ client, context, body, commentId }, hiddenHeader) =>
     client.issues.updateComment({
         ...context.repo,
         comment_id: commentId,
-        body: appendHiddenHeaderToComment(body),
+        body: appendHiddenHeaderToComment(body, hiddenHeader),
     });
 
 const deleteComments = async ({ client, context, comments }) =>
@@ -6172,11 +6208,12 @@ const deleteComments = async ({ client, context, comments }) =>
         ),
     );
 
-const upsertComment = async ({ client, context, prNumber, body }) => {
+const upsertComment = async ({ client, context, prNumber, body, hiddenHeader }) => {
     const existingComments = await listComments({
         client,
         context,
         prNumber,
+			  hiddenHeader,
     });
     const last = existingComments.pop();
 
@@ -6192,13 +6229,13 @@ const upsertComment = async ({ client, context, prNumber, body }) => {
               context,
               body,
               commentId: last.id,
-          })
+          }, hiddenHeader)
         : insertComment({
               client,
               context,
               prNumber,
               body,
-          });
+          }, hiddenHeader);
 };
 
 var github$2 = {
@@ -6256,6 +6293,7 @@ async function main() {
     const token = core$1.getInput("github-token");
     const lcovFile = core$1.getInput("lcov-file") || "./coverage/lcov.info";
     const baseFile = core$1.getInput("lcov-base");
+    const appName = core$1.getInput("app-name");
     // Add base path for monorepo
     const monorepoBasePath = core$1.getInput("monorepo-base-path");
 
@@ -6309,6 +6347,7 @@ async function main() {
         prefix: `${process.env.GITHUB_WORKSPACE}/`,
         head: context.payload.pull_request.head.ref,
         base: context.payload.pull_request.base.ref,
+				appName,
     };
 
     const lcov = !monorepoBasePath && (await parse$1(raw));
@@ -6327,6 +6366,7 @@ async function main() {
                   lcovBaseArrayForMonorepo,
                   options,
               ),
+				hiddenHeader: appName ? `<!-- ${appName}-code-coverage-assistant -->` : `<!-- monorepo-code-coverage-assistant -->`
     });
 }
 
diff --git a/src/comment.js b/src/comment.js
index 96ed1da0..5cc594b0 100644
--- a/src/comment.js
+++ b/src/comment.js
@@ -2,6 +2,28 @@ import { details, summary, b, fragment, table, tbody, tr, th } from "./html";
 import { percentage } from "./lcov";
 import { tabulate } from "./tabulate";
 
+/**
+ * Compares two arrays of objects and returns with unique lines update
+ * @param {number} pdiff value from diff percentage
+ * @returns {string} emoji string for negative/positive pdiff
+ */
+const renderEmoji = pdiff => {
+    if (pdiff.toFixed(2) < 0) return "❌";
+    return "✅";
+};
+
+/**
+ * Compares two arrays of objects and returns with unique lines update
+ * @param {Array} otherArray
+ * @returns {Function} function with filtering non original lines
+ */
+const comparer = otherArray => current =>
+    otherArray.filter(
+        other =>
+            other.lines.found === current.lines.found &&
+            other.lines.hit === current.lines.hit,
+    ).length === 0;
+
 /**
  * Github comment for monorepo
  * @param {Array<{packageName, lcovPath}>} lcovArrayForMonorepo
@@ -13,6 +35,7 @@ export function commentForMonorepo(
     lcovBaseArrayForMonorepo,
     options,
 ) {
+		const { base } = options;
     const html = lcovArrayForMonorepo.map(lcovObj => {
         const baseLcov = lcovBaseArrayForMonorepo.find(
             el => el.packageName === lcovObj.packageName,
@@ -24,9 +47,14 @@ export function commentForMonorepo(
         const plus = pdiff > 0 ? "+" : "";
         const arrow = pdiff === 0 ? "" : pdiff < 0 ? "▾" : "▴";
 
-        const pdiffHtml = baseLcov
-            ? th(arrow, " ", plus, pdiff.toFixed(2), "%")
-            : "";
+        const pdiffHtml = baseLcov ? th(renderEmoji(pdiff), " ", arrow, " ", plus, pdiff.toFixed(2), "%") : "";
+				let report = lcovObj.lcov;
+
+        if (baseLcov) {
+            const onlyInLcov = lcovObj.lcov.filter(comparer(baseLcov));
+            const onlyInBefore = baseLcov.filter(comparer(lcovObj.lcov));
+            report = onlyInBefore.concat(onlyInLcov);
+        }
 
         return `${table(
             tbody(
@@ -38,14 +66,13 @@ export function commentForMonorepo(
             ),
         )} \n\n ${details(
             summary("Coverage Report"),
-            tabulate(lcovObj.lcov, options),
+            tabulate(report, options),
         )} <br/>`;
     });
 
-    return fragment(
-        `Coverage after merging into ${b(options.base)} <p></p>`,
-        html.join(""),
-    );
+    const title = `Coverage after merging into ${b(base)} <p></p>`;
+
+    return fragment(title, html.join(""));
 }
 
 /**
@@ -54,21 +81,31 @@ export function commentForMonorepo(
  * @param {*} options
  */
 export function comment(lcov, before, options) {
+		const { appName, base } = options;
     const pbefore = before ? percentage(before) : 0;
     const pafter = before ? percentage(lcov) : 0;
     const pdiff = pafter - pbefore;
     const plus = pdiff > 0 ? "+" : "";
     const arrow = pdiff === 0 ? "" : pdiff < 0 ? "▾" : "▴";
 
-    const pdiffHtml = before ? th(arrow, " ", plus, pdiff.toFixed(2), "%") : "";
+		const pdiffHtml = before ? th(renderEmoji(pdiff), " ", arrow, " ", plus, pdiff.toFixed(2), "%") : "";
+
+    let report = lcov;
+
+    if (before) {
+        const onlyInLcov = lcov.filter(comparer(before));
+        const onlyInBefore = before.filter(comparer(lcov));
+        report = onlyInBefore.concat(onlyInLcov);
+    }
+
+		const title = `Coverage after merging into ${b(base)} <p></p>`;
+		const header = appName ? tbody(tr(th(appName), th(percentage(lcov).toFixed(2), '%'), pdiffHtml)) : tbody(tr(th(percentage(lcov).toFixed(2), '%'), pdiffHtml));
 
     return fragment(
-        `Coverage after merging ${b(options.head)} into ${b(
-            options.base,
-        )} <p></p>`,
-        table(tbody(tr(th(percentage(lcov).toFixed(2), "%"), pdiffHtml))),
+				title,
+        table(header),
         "\n\n",
-        details(summary("Coverage Report"), tabulate(lcov, options)),
+        details(summary("Coverage Report"), tabulate(report, options)),
     );
 }
 
diff --git a/src/github.js b/src/github.js
index 0783802a..ca6d3406 100644
--- a/src/github.js
+++ b/src/github.js
@@ -11,11 +11,10 @@
 // Every comment written by our action will have this hidden
 // header on top, and will be used to identify which comments
 // to update/delete etc
-const hiddenHeader = `<!-- monorepo-jest-reporter-action -->`;
 
-const appendHiddenHeaderToComment = body => hiddenHeader + body;
+const appendHiddenHeaderToComment = (body, hiddenHeader) => hiddenHeader + body;
 
-const listComments = async ({ client, context, prNumber, commentHeader }) => {
+const listComments = async ({ client, context, prNumber, commentHeader, hiddenHeader }) => {
     const { data: existingComments } = await client.issues.listComments({
         ...context.repo,
         issue_number: prNumber,
@@ -24,18 +23,18 @@ const listComments = async ({ client, context, prNumber, commentHeader }) => {
     return existingComments.filter(({ body }) => body.startsWith(hiddenHeader));
 };
 
-const insertComment = async ({ client, context, prNumber, body }) =>
+const insertComment = async ({ client, context, prNumber, body }, hiddenHeader) =>
     client.issues.createComment({
         ...context.repo,
         issue_number: prNumber,
-        body: appendHiddenHeaderToComment(body),
+        body: appendHiddenHeaderToComment(body, hiddenHeader),
     });
 
-const updateComment = async ({ client, context, body, commentId }) =>
+const updateComment = async ({ client, context, body, commentId }, hiddenHeader) =>
     client.issues.updateComment({
         ...context.repo,
         comment_id: commentId,
-        body: appendHiddenHeaderToComment(body),
+        body: appendHiddenHeaderToComment(body, hiddenHeader),
     });
 
 const deleteComments = async ({ client, context, comments }) =>
@@ -48,11 +47,12 @@ const deleteComments = async ({ client, context, comments }) =>
         ),
     );
 
-const upsertComment = async ({ client, context, prNumber, body }) => {
+const upsertComment = async ({ client, context, prNumber, body, hiddenHeader }) => {
     const existingComments = await listComments({
         client,
         context,
         prNumber,
+			  hiddenHeader,
     });
     const last = existingComments.pop();
 
@@ -68,13 +68,13 @@ const upsertComment = async ({ client, context, prNumber, body }) => {
               context,
               body,
               commentId: last.id,
-          })
+          }, hiddenHeader)
         : insertComment({
               client,
               context,
               prNumber,
               body,
-          });
+          }, hiddenHeader);
 };
 
 module.exports = {
diff --git a/src/index.js b/src/index.js
index 6e1cc294..42027d7e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -56,6 +56,7 @@ async function main() {
     const token = core.getInput("github-token");
     const lcovFile = core.getInput("lcov-file") || "./coverage/lcov.info";
     const baseFile = core.getInput("lcov-base");
+    const appName = core.getInput("app-name");
     // Add base path for monorepo
     const monorepoBasePath = core.getInput("monorepo-base-path");
 
@@ -109,6 +110,7 @@ async function main() {
         prefix: `${process.env.GITHUB_WORKSPACE}/`,
         head: context.payload.pull_request.head.ref,
         base: context.payload.pull_request.base.ref,
+				appName,
     };
 
     const lcov = !monorepoBasePath && (await parse(raw));
@@ -127,6 +129,7 @@ async function main() {
                   lcovBaseArrayForMonorepo,
                   options,
               ),
+				hiddenHeader: appName ? `<!-- ${appName}-code-coverage-assistant -->` : `<!-- monorepo-code-coverage-assistant -->`
     });
 }