diff --git a/src/lib/db/client-instance-store.ts b/src/lib/db/client-instance-store.ts
index c1983a94d3..ae4429352c 100644
--- a/src/lib/db/client-instance-store.ts
+++ b/src/lib/db/client-instance-store.ts
@@ -6,7 +6,7 @@ import {
     IClientInstanceStore,
     INewClientInstance,
 } from '../types/stores/client-instance-store';
-import { hoursToMilliseconds } from 'date-fns';
+import { hoursToMilliseconds, subDays } from 'date-fns';
 import Timeout = NodeJS.Timeout;
 
 const metricsHelper = require('../util/metrics-helper');
@@ -182,6 +182,20 @@ export default class ClientInstanceStore implements IClientInstanceStore {
         return rows.map((r) => r.app_name);
     }
 
+    async getDistinctApplicationsCount(daysBefore?: number): Promise<number> {
+        let query = this.db.from(TABLE);
+        if (daysBefore) {
+            query = query.where(
+                'last_seen',
+                '>',
+                subDays(new Date(), daysBefore),
+            );
+        }
+        return query
+            .countDistinct('app_name')
+            .then((res) => Number(res[0].count));
+    }
+
     async deleteForApplication(appName: string): Promise<void> {
         return this.db(TABLE).where('app_name', appName).del();
     }
diff --git a/src/lib/metrics.test.ts b/src/lib/metrics.test.ts
index ec9b05ac44..3f4866384e 100644
--- a/src/lib/metrics.test.ts
+++ b/src/lib/metrics.test.ts
@@ -122,6 +122,14 @@ test('should collect metrics for feature toggle size', async () => {
     expect(metrics).toMatch(/feature_toggles_total{version="(.*)"} 0/);
 });
 
+test('should collect metrics for feature toggle size', async () => {
+    await new Promise((done) => {
+        setTimeout(done, 10);
+    });
+    const metrics = await prometheusRegister.metrics();
+    expect(metrics).toMatch(/client_apps_total{range="(.*)"} 0/);
+});
+
 test('Should collect metrics for database', async () => {
     const metrics = await prometheusRegister.metrics();
     expect(metrics).toMatch(/db_pool_max/);
diff --git a/src/lib/metrics.ts b/src/lib/metrics.ts
index 2529c494a1..813935e151 100644
--- a/src/lib/metrics.ts
+++ b/src/lib/metrics.ts
@@ -118,6 +118,12 @@ export default class MetricsMonitor {
             help: 'Number of strategies',
         });
 
+        const clientAppsTotal = new client.Gauge({
+            name: 'client_apps_total',
+            help: 'Number of registered client apps aggregated by range by last seen',
+            labelNames: ['range'],
+        });
+
         const samlEnabled = new client.Gauge({
             name: 'saml_enabled',
             help: 'Whether SAML is enabled',
@@ -170,6 +176,13 @@ export default class MetricsMonitor {
 
                 oidcEnabled.reset();
                 oidcEnabled.set(stats.OIDCenabled ? 1 : 0);
+
+                clientAppsTotal.reset();
+                stats.clientApps.forEach((clientStat) =>
+                    clientAppsTotal
+                        .labels({ range: clientStat.range })
+                        .set(clientStat.count),
+                );
             } catch (e) {}
         }
 
diff --git a/src/lib/services/instance-stats-service.ts b/src/lib/services/instance-stats-service.ts
index b7b66267d6..8aadace9cc 100644
--- a/src/lib/services/instance-stats-service.ts
+++ b/src/lib/services/instance-stats-service.ts
@@ -1,7 +1,7 @@
 import { sha256 } from 'js-sha256';
 import { Logger } from '../logger';
 import { IUnleashConfig } from '../types/option';
-import { IUnleashStores } from '../types/stores';
+import { IClientInstanceStore, IUnleashStores } from '../types/stores';
 import { IContextFieldStore } from '../types/stores/context-field-store';
 import { IEnvironmentStore } from '../types/stores/environment-store';
 import { IFeatureToggleStore } from '../types/stores/feature-toggle-store';
@@ -14,7 +14,8 @@ import { IRoleStore } from '../types/stores/role-store';
 import VersionService from './version-service';
 import { ISettingStore } from '../types/stores/settings-store';
 
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
+type TimeRange = 'allTime' | '30d' | '7d';
+
 export interface InstanceStats {
     instanceId: string;
     timestamp: Date;
@@ -31,6 +32,7 @@ export interface InstanceStats {
     strategies: number;
     SAMLenabled: boolean;
     OIDCenabled: boolean;
+    clientApps: { range: TimeRange; count: number }[];
 }
 
 interface InstanceStatsSigned extends InstanceStats {
@@ -62,6 +64,8 @@ export class InstanceStatsService {
 
     private settingStore: ISettingStore;
 
+    private clientInstanceStore: IClientInstanceStore;
+
     constructor(
         {
             featureToggleStore,
@@ -74,6 +78,7 @@ export class InstanceStatsService {
             segmentStore,
             roleStore,
             settingStore,
+            clientInstanceStore,
         }: Pick<
             IUnleashStores,
             | 'featureToggleStore'
@@ -86,6 +91,7 @@ export class InstanceStatsService {
             | 'segmentStore'
             | 'roleStore'
             | 'settingStore'
+            | 'clientInstanceStore'
         >,
         { getLogger }: Pick<IUnleashConfig, 'getLogger'>,
         versionService: VersionService,
@@ -101,6 +107,7 @@ export class InstanceStatsService {
         this.roleStore = roleStore;
         this.versionService = versionService;
         this.settingStore = settingStore;
+        this.clientInstanceStore = clientInstanceStore;
         this.logger = getLogger('services/stats-service.js');
     }
 
@@ -141,6 +148,7 @@ export class InstanceStatsService {
             strategies,
             SAMLenabled,
             OIDCenabled,
+            clientApps,
         ] = await Promise.all([
             this.getToggleCount(),
             this.userStore.count(),
@@ -153,6 +161,7 @@ export class InstanceStatsService {
             this.strategyStore.count(),
             this.hasSAML(),
             this.hasOIDC(),
+            this.getLabeledAppCounts(),
         ]);
 
         return {
@@ -171,9 +180,33 @@ export class InstanceStatsService {
             strategies,
             SAMLenabled,
             OIDCenabled,
+            clientApps,
         };
     }
 
+    async getLabeledAppCounts(): Promise<
+        { range: TimeRange; count: number }[]
+    > {
+        return [
+            {
+                range: 'allTime',
+                count: await this.clientInstanceStore.getDistinctApplicationsCount(),
+            },
+            {
+                range: '30d',
+                count: await this.clientInstanceStore.getDistinctApplicationsCount(
+                    30,
+                ),
+            },
+            {
+                range: '7d',
+                count: await this.clientInstanceStore.getDistinctApplicationsCount(
+                    7,
+                ),
+            },
+        ];
+    }
+
     async getSignedStats(): Promise<InstanceStatsSigned> {
         const instanceStats = await this.getStats();
 
diff --git a/src/lib/types/stores/client-instance-store.ts b/src/lib/types/stores/client-instance-store.ts
index ce225f7341..3a1d32a0a1 100644
--- a/src/lib/types/stores/client-instance-store.ts
+++ b/src/lib/types/stores/client-instance-store.ts
@@ -22,5 +22,6 @@ export interface IClientInstanceStore
     insert(details: INewClientInstance): Promise<void>;
     getByAppName(appName: string): Promise<IClientInstance[]>;
     getDistinctApplications(): Promise<string[]>;
+    getDistinctApplicationsCount(daysBefore?: number): Promise<number>;
     deleteForApplication(appName: string): Promise<void>;
 }
diff --git a/src/test/fixtures/fake-client-instance-store.ts b/src/test/fixtures/fake-client-instance-store.ts
index 78ddf1e715..614872d95b 100644
--- a/src/test/fixtures/fake-client-instance-store.ts
+++ b/src/test/fixtures/fake-client-instance-store.ts
@@ -75,6 +75,10 @@ export default class FakeClientInstanceStore implements IClientInstanceStore {
         return Array.from(apps.values());
     }
 
+    async getDistinctApplicationsCount(): Promise<number> {
+        return this.getDistinctApplications().then((apps) => apps.length);
+    }
+
     async insert(details: INewClientInstance): Promise<void> {
         this.instances.push({ createdAt: new Date(), ...details });
     }