An IAB Tech Lab standard that lets app publishers declare which ad networks are authorized to sell their inventory.

Where do I put the app-ads.txt file?

At the root of the developer website listed in your App Store / Google Play page, e.g. https://studio.com/app-ads.txt.

What is a Certification Authority ID?

An optional TAG-ID of the ad system, the 4th field of an app-ads.txt record.

qr-scanner-app.com app-ads.txt check

qr-scanner-app.com is missing out on higher CPMs: its app-ads.txt has 1 invalid line and lists only 1,990 of the 4,495 lines its 26 ad networks expect (56% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 4,432 lines, 2,480 unique records, 1,835 duplicates, 1 invalid lines, 38 ad networks detected.

Ad networks in qr-scanner-app.com/app-ads.txt

Google AdMob — accounts pub-7981832141995177, pub-5761378224098372, pub-1386280613967939 and 8 more: 11 lines in the file
AppLovin — accounts a795b15894f8d6d26c8a80e6dd878ed5, db8440c24bc69b9adb30cf715f23b1ea: 32 lines in the file, 5 expected lines missing
PubMatic — accounts 156849, 157882, 158189 and 10 more: 13 lines in the file
Smaato — accounts 1100042867, 1100053866, 1100057089 and 2 more: 5 lines in the file
InMobi — accounts 43df925ae287474c97cb9911f8cde784, 16600394d82645eeb37cd25e32849684, 67009bc158b64a31ab1cef04bfd2e9e3 and 5 more: 109 lines in the file, 170 expected lines missing
TripleLift — accounts 6804, 7207-EB, 7207 and 3 more: 6 lines in the file
Chartboost — accounts 5cbe56e7ffdf0c0ae6f7178a, 620e1b4b38859507f14af54f, 5767b79943150f358f9b9718: 400 lines in the file, 362 expected lines missing
OpenX — accounts 540819694, 559330188, 557323449 and 1 more: 4 lines in the file
Magnite (Rubicon) — accounts 20602, 20604, 21468 and 3 more: 6 lines in the file
MobileFuse — account 3153: 1 line in the file
Yahoo — accounts 24480, 60013: 2 lines in the file
Amazon Publisher Services — account b9c72cb7-7e17-4073-a09b-66deb79d0103: 1 line in the file
Index Exchange — accounts 191741, 192585: 2 lines in the file
Unity Ads — accounts 2956538, 2214291, 1241211: 49 lines in the file, 114 expected lines missing
ironSource / LevelPlay — accounts 335022, 298233: 52 lines in the file, 75 expected lines missing
TikTok Ad Network (Pangle) — accounts 52328, 9898: 2 lines in the file
Vungle — accounts 60c71d9d6b22ac0017d0bca4, 5c4ad123c32c163271ed77cb: 168 lines in the file, 193 expected lines missing
SuperAwesome — account 177: 5 lines in the file, 1 expected line missing
Xandr (Microsoft) — accounts 806, 14416, 12366: 3 lines in the file
DT Exchange (Fyber) — accounts 218367, 218647: 146 lines in the file, 306 expected lines missing
Criteo — accounts B-057702, B-059565: 2 lines in the file
Mintegral — account 30350: 400 lines in the file, 400 expected lines missing
Verve (PubNative) — account 1008490: 400 lines in the file, 400 expected lines missing
Ogury — account a27514d8-8a58-4034-bb1d-4c493af74c5f: 9 lines in the file, 9 expected lines missing
Meta Audience Network — accounts 1344788123498435, 911748518900117: 2 lines in the file
Sovrn — accounts 293179, 293179-eb: 2 lines in the file
Yandex Ads — partner (reseller) lines only: 44 lines in the file, 124 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 68 lines in the file, 76 expected lines missing
BIGO Ads — partner (reseller) lines only: 203 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 382 lines in the file, 179 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 73 lines in the file, 371 expected lines missing
Prado — partner (reseller) lines only: 6 lines in the file, 21 expected lines missing
HyprMX — partner (reseller) lines only: 197 lines in the file, 172 expected lines missing
Start.io — partner (reseller) lines only: 28 lines in the file, 129 expected lines missing
CAS.ai — partner (reseller) lines only: 39 lines in the file, 126 expected lines missing
DSail — partner (reseller) lines only: 39 lines in the file, 126 expected lines missing
Bidmachine — partner (reseller) lines only: 365 lines in the file, 400 expected lines missing

Invalid lines

uis.mobfox.com, 2310, RESELLER 5529a3d1f59865be

Corrected file: qr-scanner-app.com app-ads.txt (fixed).

FAQ

Does qr-scanner-app.com have an app-ads.txt?

Yes — https://qr-scanner-app.com/app-ads.txt has 4,432 lines (checked 19 Oct 2026).

Which ad networks does qr-scanner-app.com work with?

Its app-ads.txt lists Google AdMob, AppLovin, PubMatic, Smaato, InMobi, TripleLift, Chartboost, OpenX, Magnite (Rubicon), MobileFuse, Yahoo, Amazon Publisher Services and 26 more.

qr-scanner-app.com app-ads.txt check

Ad networks in qr-scanner-app.com/app-ads.txt

Invalid lines

FAQ

Does qr-scanner-app.com have an app-ads.txt?

Which ad networks does qr-scanner-app.com work with?

Is the app-ads.txt of qr-scanner-app.com correct?

Other checked domains

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