Ad system

adster.tech

10,790 apps across 1,005 app-ads.txt files declare adster.tech; 99% hold a DIRECT account and 1.7% list it as a RESELLER. Its sellers.json lists 30 sellers but leaves out 116 accounts that app-ads.txt files name, so we do not grade the lines against it.

Apps declaring it
10,790

10,626 DIRECT · 186 RESELLER

Sellers in sellers.json
30

0% confidential

Lines verified
—

sellers.json incomplete

Lines with errors
1,023

1,056 lines in total

Avg. supply path score
50.2 / 100

10,609 apps scored

adster.tech's sellers.json looks incomplete: it lists 30 sellers, while app-ads.txt files name 116 other adster.tech accounts it does not list. A line it does not list may be a seller the network never published rather than a stale line, so we show no verified or not-listed share for it.

App counts, the sellers.json breakdown and the directory ranking are as of , recomputed daily (the same numbers as the directory). Line counts are recounted every 10 minutes. sellers.json last read 13 October 2026. The supply path score sums up how short and clean the declared paths are, 0 to 100 (how it is computed).

How to add adster.tech to app-ads.txt

One line per account, in the app-ads.txt at the root of the domain your App Store and Google Play listings name as the developer website.

adster.tech, YOUR_ACCOUNT_ID, DIRECT
adster.tech, YOUR_ACCOUNT_ID, RESELLER
  • Field 1: adster.tech, the domain adster.tech uses in app-ads.txt.
  • Field 2: your account ID with adster.tech. It must equal the seller_id in adster.tech's sellers.json.
  • Field 3: DIRECT if you hold the account, RESELLER if a partner holds it and sells your inventory. DIRECT vs RESELLER
  • Field 4 (optional): a certification authority ID. Most lines naming adster.tech carry none, or different ones, so we do not suggest one.

sellers.json at a glance

Status
Published
Sellers listed
30
Confidential
0 (0%)
Passthrough
0
Removed, last 30 days
0
Last read
Oct 13, 2026
  • PUBLISHER30
  • INTERMEDIARY0
  • BOTH0

Cross-check of lines naming adster.tech

  • Verified 33
  • Seller ID not found 1,023
  • DIRECT but intermediary 0
  • RESELLER but publisher 0
  • Seller type BOTH 0
  • Confidential seller 0
  • No sellers.json 0
  • Unchecked 0

Every line naming adster.tech is looked up in its sellers.json. What each status means

Common errors with adster.tech lines

  • Seller ID not found 1,023 lines

    Ask adster.tech for the account ID it lists for you in its sellers.json, correct the line, or remove it if you no longer work with them. Buyers that check sellers.json drop these paths.

Common app-ads.txt errors and how to fix them

Apps that declare adster.tech

AppStoreRelationshipStatus
iOS DIRECT Live
iOS DIRECT Live
Android DIRECT Live
Android RESELLER Live
Android DIRECT Live
Android DIRECT Live
iOS DIRECT Live
iOS DIRECT Live
iOS DIRECT Live
Android DIRECT Live
Android DIRECT Live
Android DIRECT Live
Android DIRECT Live
Android DIRECT Live
Android DIRECT Live
Android DIRECT Live
Android DIRECT Live
iOS DIRECT Live
Android DIRECT Live
Android DIRECT Live

Questions about adster.tech

Does adster.tech publish a sellers.json?

Yes. Its file at https://adster.tech/sellers.json listed 30 sellers when we last read it on 13 October 2026: 30 publishers, 0 intermediaries and 0 listed as both; 0% are confidential.

How many apps declare adster.tech in app-ads.txt?

10,790 apps in Stoqlab's data (delisted apps included) declare adster.tech: 10,626 with at least one DIRECT line and 186 with at least one RESELLER line, across 1,005 app-ads.txt files, as of 14 October 2026 (recounted daily).

Why do adster.tech lines fail verification?

Of 1,056 lines naming adster.tech, 1,023 contradict its sellers.json. The most common case is "Seller ID not found", on 1,023 lines. Ask adster.tech for the account ID it lists for you in its sellers.json, correct the line, or remove it if you no longer work with them. Buyers that check sellers.json drop these paths.

Not sure whether your line should say DIRECT or RESELLER? DIRECT vs RESELLER in app-ads.txt

Sources: the public app-ads.txt files of tracked apps and the sellers.json of adster.tech. Something wrong? Tell us.