Duff - Learn Languages & Speak

4.8M installs
7.1K ratings
194.2K monthly active users
$<10K monthly revenue est.
IAP 24% Β· Ad 76%
Install Trends
Weekly +120
Steady
Monthly +3.2K
Steady

Data calls made by Duff - Learn Languages & Speak

Overview of network connections made by Duff - Learn Languages & Speak during the first 60 seconds after installation.

Duff - Learn Languages & Speak contacted 22 different domains within the first minute of opening. This data was collected from 2 independent scans We identified 4 ad creatives being loaded, confirming active ad monetization. across servers in πŸ‡ΊπŸ‡Έ, providing transparency into the app's actual network behavior and data sharing practices.

Scan Runs

2

Unique Domains

22

Ad Creatives Found

4

Countries

πŸ‡ΊπŸ‡Έ

APIs
February 14, 2026 at 03:15:45
ByteDance

lf-static.tiktokpangle-cdn-us.com/obj/ad-...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:40
AppLovin

sts.applovin.com/v1/stats

πŸ‡ΊπŸ‡Έ Google LLC

Request: application/json

Response:

February 14, 2026 at 03:15:41
AppLovin

ms.applovin.com/5.0/i

πŸ‡ΊπŸ‡Έ Google LLC

Request: application/json

Response: application/json

February 14, 2026 at 03:15:44
Admost

cdn-api.admost.com/v5/init

Cloudflare, Inc.

Request:

Response: application/json

February 14, 2026 at 03:15:42
AppLovin

rt.applovin.com/4.0/pix

πŸ‡ΊπŸ‡Έ Google LLC

Request: application/json

Response: application/json

February 14, 2026 at 03:15:42
ipify.org

api.ipify.org/

Cloudflare, Inc.

Request:

Response: application/json

February 14, 2026 at 03:15:42
AppLovin

d.applovin.com/2.0/device

πŸ‡ΊπŸ‡Έ Google LLC

Request: application/json

Response: application/json

February 14, 2026 at 03:15:42
Adapty

api.adapty.io/api/v1

Cloudflare, Inc.

Request:

Response: application/json

February 14, 2026 at 03:15:42
Adapty

api.adapty.io/api/v1

Cloudflare, Inc.

Request:

Response: application/json

February 14, 2026 at 03:15:43
ByteDance

api16-access-ttp.tiktokpangle.us/settings...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
ByteDance

api16-access-ttp.tiktokpangle.us/monitor/...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
Vungle

config.ads.vungle.com/config

πŸ‡ΊπŸ‡Έ Amazon.com, Inc.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
Adapty

api.adapty.io/api/v1

Cloudflare, Inc.

Request: application/vnd.api+json

Response: application/vnd.api+json

February 14, 2026 at 03:15:43
ByteDance

api16-access-ttp.tiktokpangle.us/settings...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
ByteDance

lf-static.tiktokpangle-cdn-us.com/obj/ad-...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/json

February 14, 2026 at 03:15:43
ByteDance

lf-static.tiktokpangle-cdn-us.com/obj/ad-...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: text/html

February 14, 2026 at 03:15:43
ByteDance

api16-access-ttp.tiktokpangle.us/api/ad

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
ByteDance

api16-access-ttp.tiktokpangle.us/settings...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
ByteDance

api16-access-ttp.tiktokpangle.us/api/ad

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
Adapty

api.adapty.io/api/v1

Cloudflare, Inc.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
Adapty

api.adapty.io/api/v1

Cloudflare, Inc.

Request:

Response: application/vnd.api+json

February 14, 2026 at 03:15:44
ByteDance

api16-access-ttp.tiktokpangle.us/service/2

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:44
ByteDance

api16-access-ttp.tiktokpangle.us/api/ad

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:43
Google

googleads.g.doubleclick.net/mads/static

πŸ‡ΊπŸ‡Έ Google LLC

Request:

Response: text/html

February 14, 2026 at 03:15:43
ByteDance

lf-static.tiktokpangle-cdn-us.com/obj/ad-...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:44
ByteDance

sf16-static.i18n-pglstatp.com/obj/ad-patt...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/json

February 14, 2026 at 03:15:44
Adapty

api-ua.adapty.io/api/v1

Cloudflare, Inc.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:44
Adjust

app.adjust.com/session

πŸ‡ΊπŸ‡Έ Adjust GmbH

Request: application/x-www-form-urlencoded

Response: application/json

February 14, 2026 at 03:15:44
Google

googleads.g.doubleclick.net/mads/static

πŸ‡ΊπŸ‡Έ Google LLC

Request:

Response: text/cache-manifest

February 14, 2026 at 03:15:44
Google

googleads.g.doubleclick.net/favicon.ico

πŸ‡ΊπŸ‡Έ Google LLC

Request:

Response: image/x-icon

February 14, 2026 at 03:15:45
ByteDance

lf-static.tiktokpangle-cdn-us.com/obj/ad-...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: text/html

February 14, 2026 at 03:15:45
Google

googleads.g.doubleclick.net/getconfig/pub...

πŸ‡ΊπŸ‡Έ Google LLC

Request:

Response: application/json

February 14, 2026 at 03:15:45
Adapty

api.adapty.io/api/v1

Cloudflare, Inc.

Request: application/json

Response: application/json

February 14, 2026 at 03:15:45
ByteDance

api16-access-ttp.tiktokpangle.us/ssdk/sd

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/octet-stream

Response: text/plain

February 14, 2026 at 03:15:45
ByteDance

sf16-static.i18n-pglstatp.com/obj/union-f...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:45
AppLovin

sts.applovin.com/v1/stats

πŸ‡ΊπŸ‡Έ Google LLC

Request: application/json

Response:

February 14, 2026 at 03:15:45
ByteDance

lf-static.tiktokpangle-cdn-us.com/obj/ad-...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:45
Adapty

api.adapty.io/api/v1

Cloudflare, Inc.

Request: application/vnd.api+json

Response: application/vnd.api+json

February 14, 2026 at 03:15:45
ByteDance

api16-access-ttp.tiktokpangle.us/ssdk/sd

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request: application/octet-stream

Response: text/plain

February 14, 2026 at 03:15:45
Adjust

app.adjust.com/sdk_click

πŸ‡ΊπŸ‡Έ Adjust GmbH

Request: application/x-www-form-urlencoded

Response: application/json

February 14, 2026 at 03:15:45
ByteDance

lf-static.tiktokpangle-cdn-us.com/obj/ad-...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:45
Adjust

app.adjust.com/event

πŸ‡ΊπŸ‡Έ Adjust GmbH

Request: application/x-www-form-urlencoded

Response: application/json

February 14, 2026 at 03:15:45
ByteDance

sf16-static.i18n-pglstatp.com/obj/union-f...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:45
Admost

med-api.admost.com/v4.4/campaign

Cloudflare, Inc.

Request: application/x-www-form-urlencoded

Response: application/json

February 14, 2026 at 03:15:45
Admost

med-api.admost.com/v4.4/register

Cloudflare, Inc.

Request: application/x-www-form-urlencoded

Response: application/json

February 14, 2026 at 03:15:46
ByteDance

sf16-static.i18n-pglstatp.com/obj/union-f...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:46
ByteDance

sf16-static.i18n-pglstatp.com/obj/union-f...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:46
ByteDance

sf16-static.i18n-pglstatp.com/obj/union-f...

πŸ‡ΊπŸ‡Έ Akamai International B.V.

Request:

Response: application/javascript

February 14, 2026 at 03:15:45
Facebook

www.facebook.com/adnw_sync2

πŸ‡ΊπŸ‡Έ Facebook, Inc.

Request: application/x-www-form-urlencoded

Response: text/javascript

February 14, 2026 at 03:15:48
Firebase

app-measurement.com/config/app

πŸ‡ΊπŸ‡Έ Google LLC

Request:

Response: application/x-protobuf

1 of 5