K53 Topscore Practice Kit
by Imagitech Ltd · 1229093375
Most of the 404 lines in K53 Topscore Practice Kit's app-ads.txt (learn2.co) are RESELLER lines: 398 against 6 DIRECT, across 121 ad systems. 281 of 384 lines checked against sellers.json match; 61 name a seller ID the network does not list, 3 declare the wrong seller type. The file last changed on 9 October 2026.
Store data
- Rating
- 4.54
- Installs
- —
- Category
- Education
- Contains ads
- —
13 ratings
Not published by Apple
app-ads.txt
- Domain
- learn2.co
- Status
- Found (200)
- Lines
- 404
- DIRECT / RESELLER
- 6 / 398
- Parse errors
- 5
- Last fetched
- Oct 9, 2026
- Last changed
- Oct 9, 2026
sellers.json cross-check
404 lines checked
Verified
281
Errors
64
Warnings
47
- Seller ID not found 61
- RESELLER but publisher 3
- Seller type BOTH 38
- Confidential seller 1
- No sellers.json 8
- Unchecked 12
Declared supply tree
6 direct accounts across 6 direct sellers · 258 resellers buying from them · 140 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| fyber.com | 1 | 109 resellers: rubiconproject.com, pubmatic.com, smartadserver.com … | 0 |
| unity.com | 1 | 19 resellers: rubiconproject.com, xandr.com, pubmatic.com … | 0 |
| inmobi.com | 1 | 15 resellers: pubmatic.com, rubiconproject.com, blis.com … | 1 |
| applovin.com | 1 | 8 resellers: zmaticoo.com, smartadserver.com, sharethrough.com … | 1 |
| google.com | 1 | 1 reseller: rubiconproject.com | 0 |
| adcolony.com | 1 | — | 0 |
140 resellers, intermediary not matched to a direct seller of this app (account not found in the ad system's sellers.json: 59; the intermediary's domain is not a direct seller of this app: 59; not cross-checked yet: 11; the ad system publishes no usable sellers.json: 8; sellers.json lists the account as a publisher, not an intermediary: 3).
Seller IDs the networks do not list
61 lines of this app-ads.txt name an account ID that the ad system's sellers.json does not contain; the first 15 in file order. Usually a stale line or a typo in the ID. How to fix it
| Line | Ad system | Account ID | Relationship |
|---|---|---|---|
| 3 | inmobi.com | 2317b0df7a9c4b079cec5dd68b071958 | DIRECT |
| 6 | indexexchange.com | 184738 | RESELLER |
| 7 | openx.com | 537124160 | RESELLER |
| 8 | openx.com | 539214772 | RESELLER |
| 20 | openx.com | 540543200 | RESELLER |
| 21 | emxdgt.com | 594 | RESELLER |
| 34 | openx.com | 540871654 | RESELLER |
| 41 | telaria.com | rwd19-1495436 | RESELLER |
| 42 | tremorhub.com | rwd19-1495436 | RESELLER |
| 43 | applovin.com | f090865206ee8e71abe20f1d1d351685 | DIRECT |
| 56 | adform.com | 2967 | RESELLER |
| 61 | advertising.com | 28650 | RESELLER |
| 72 | appnexus.com | 13258 | RESELLER |
| 75 | appnexus.com | 13956 | RESELLER |
| 80 | appnexus.com | 15980 | RESELLER |
More apps from Imagitech Ltd
New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Mon, Oct 12, 2026 7:59 AM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.