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.

smartfunapps.com app-ads.txt check

smartfunapps.com is missing out on higher CPMs: its app-ads.txt has 12 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 7,890 lines, 4,946 unique records, 2,854 duplicates, 12 invalid lines, 32 ad networks detected.

Ad networks in smartfunapps.com/app-ads.txt

Google AdMob — accounts pub-5896984311073772, pub-9854827747817436, pub-9219225308759825 and 21 more: 24 lines in the file
TikTok Ad Network (Pangle) — accounts 39441, 5031373, 5039217: 3 lines in the file
Chartboost — account 5de4d71e0058e30a1c8d1fc7: 400 lines in the file, 2 expected lines missing
Liftoff Monetize (Vungle) — accounts 5b4f0f700aa32c4f543a8b82, 688053a1babc200011103478, 6a13cab1a3ccf593079f58c7: 393 lines in the file
AppLovin — accounts e1273f3d5b56b5b4fc161eebd42d6578, e880332f589dda558f991a38e09f5019, 7aacc127a5381dd3536ae3c6467835b0 and 18 more: 56 lines in the file
Unity Ads — accounts 1587436, 1985445, 2063815 and 9 more: 169 lines in the file, 3 expected lines missing
ironSource / LevelPlay — accounts 220909, 259385, 300907 and 7 more: 114 lines in the file, 21 expected lines missing
Amazon Publisher Services — account b8323ad3-ac2b-44a6-8fbd-e6604d15a5e4: 1 line in the file
Bidmachine — accounts 558, 1211, 1617: 400 lines in the file, 127 expected lines missing
Mintegral — accounts 19833, 54898, 69943: 400 lines in the file, 5 expected lines missing
DT Exchange (Fyber) — accounts 213443, 234600, 238485: 400 lines in the file
InMobi — accounts 8b294f0636e24c70a9bcabd83d09f202, a1f8885d27364c6697859e5a9b45a974, 07d13d24fa88412db903990c627a329a: 216 lines in the file, 58 expected lines missing
BIGO Ads — accounts 23174330, 23174339, 23174362 and 16 more: 400 lines in the file, 3 expected lines missing
Verve (PubNative) — accounts 1017869, 1017946, 1017945: 400 lines in the file, 400 expected lines missing
VK Ads (myTarget) — account 30083507: 174 lines in the file, 1 expected line missing
Yandex Ads — accounts 323346487, 325601831: 166 lines in the file, 4 expected lines missing
Yango Ads — account 323346487: 400 lines in the file, 400 expected lines missing
Smaato — accounts 1100060339, 1100060403: 2 lines in the file
PubMatic — accounts 168065, 168350: 2 lines in the file
Bidease — partner (reseller) lines only: 38 lines in the file, 11 expected lines missing
BlueSea — partner (reseller) lines only: 23 lines in the file, 14 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 251 lines in the file, 310 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 277 lines in the file, 167 expected lines missing
Monetrix — partner (reseller) lines only: 65 lines in the file, 28 expected lines missing
Prado — partner (reseller) lines only: 20 lines in the file, 7 expected lines missing
HyprMX — partner (reseller) lines only: 213 lines in the file, 156 expected lines missing
Start.io — partner (reseller) lines only: 123 lines in the file, 34 expected lines missing
Kidoz — partner (reseller) lines only: 16 lines in the file, 6 expected lines missing
CAS.ai — partner (reseller) lines only: 163 lines in the file, 2 expected lines missing
DSail — partner (reseller) lines only: 163 lines in the file, 2 expected lines missing

Invalid lines

Admob
Facebook
Pangle
Chartboost&&loopme
Chartboost
Vungle
Applovin
Unity
Ironsource
APS Amazon
Mintegral
b42d42eb28400efa,targetbetter.com, 6451, RESELLER

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

FAQ

Does smartfunapps.com have an app-ads.txt?

Yes — https://smartfunapps.com/app-ads.txt has 7,890 lines (checked 19 Oct 2026).

Which ad networks does smartfunapps.com work with?

Its app-ads.txt lists Google AdMob, TikTok Ad Network (Pangle), Chartboost, Liftoff Monetize (Vungle), AppLovin, Unity Ads, ironSource / LevelPlay, Amazon Publisher Services, Bidmachine, Mintegral, DT Exchange (Fyber), InMobi and 20 more.

Is the app-ads.txt of smartfunapps.com correct?