Ad system
quartermedia.de
Most of the 108 apps that declare quartermedia.de reach it through a reseller: 85% have a RESELLER line, 15% a DIRECT one. Of 75 lines checked against its sellers.json (497 sellers), 17% match, 0% name an unlisted account and 83% declare the wrong seller type.
- Apps declaring it
- 108
- Sellers in sellers.json
- 497
- Lines verified
- 17%
- Lines with errors
- 62
- Avg. supply path score
- 51.2 / 100
16 DIRECT · 92 RESELLER
0% confidential
13 of 75 checked lines
75 lines in total
108 apps scored
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 12 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 quartermedia.de 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.
quartermedia.de, YOUR_ACCOUNT_ID, DIRECT
quartermedia.de, YOUR_ACCOUNT_ID, RESELLER
- Field 1:
quartermedia.de, the domain quartermedia.de uses in app-ads.txt. - Field 2: your account ID with quartermedia.de. It must equal the
seller_idin quartermedia.de'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 quartermedia.de carry none, or different ones, so we do not suggest one.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 497
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 12, 2026
- PUBLISHER496
- INTERMEDIARY1
- BOTH0
Cross-check of lines naming quartermedia.de
- Verified 13
- Seller ID not found 0
- DIRECT but intermediary 0
- RESELLER but publisher 62
- Seller type BOTH 0
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming quartermedia.de is looked up in its sellers.json. What each status means
Common errors with quartermedia.de lines
-
RESELLER but publisher
62 lines
If the account is yours, declare it DIRECT. If a partner holds it, ask quartermedia.de why the account is listed as PUBLISHER.
Apps that declare quartermedia.de
| App | Store | Relationship | Status |
|---|---|---|---|
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| iOS | DIRECT | Live | |
| iOS | RESELLER | Live | |
| iOS | DIRECT | Live | |
| iOS | RESELLER | Live | |
| iOS | RESELLER | Live | |
| iOS | DIRECT | Live | |
| iOS | RESELLER | Live | |
| iOS | RESELLER | Live | |
| iOS | RESELLER | Live |
Questions about quartermedia.de
Does quartermedia.de publish a sellers.json?
Yes. Its file at https://quartermedia.de/sellers.json listed 497 sellers when we last read it on 12 October 2026: 496 publishers, 1 intermediaries and 0 listed as both; 0% are confidential.
How many apps declare quartermedia.de in app-ads.txt?
108 apps in Stoqlab's data (delisted apps included) declare quartermedia.de: 16 with at least one DIRECT line and 92 with at least one RESELLER line, across 71 app-ads.txt files, as of 13 October 2026 (recounted daily).
Why do quartermedia.de lines fail verification?
Of 75 lines naming quartermedia.de, 62 contradict its sellers.json. The most common case is "RESELLER but publisher", on 62 lines. If the account is yours, declare it DIRECT. If a partner holds it, ask quartermedia.de why the account is listed as PUBLISHER.
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 quartermedia.de. Something wrong? Tell us.