Learn English - 4English
by 4ENGLISH TECHNOLOGY CO.,LTD · 1287426517
Most of the 406 lines in Learn English - 4English's app-ads.txt (4englishapp.com) are RESELLER lines: 403 against 3 DIRECT, across 113 ad systems. 355 of 394 lines checked against sellers.json match; 11 name a seller ID the network does not list, 2 declare the wrong seller type. The file last changed on 8 October 2026.
Store data
- Rating
- 4.76
- Installs
- —
- Category
- Education
- Contains ads
- Yes
2,678 ratings
Not published by Apple
Offers in-app purchases
app-ads.txt
- Domain
- 4englishapp.com
- Status
- Found (200)
- Lines
- 406
- DIRECT / RESELLER
- 3 / 403
- Parse errors
- 0
- Last fetched
- Oct 8, 2026
- Last changed
- Oct 8, 2026
sellers.json cross-check
406 lines checked
Verified
355
Errors
13
Warnings
34
- Seller ID not found 11
- RESELLER but publisher 2
- Seller type BOTH 26
- No sellers.json 8
- Unchecked 4
Declared supply tree
3 direct accounts across 3 direct sellers · 339 resellers buying from them · 64 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| vungle.com | 1 | 297 resellers: pubmatic.com, rubiconproject.com, smartadserver.com … | 1 |
| google.com | 1 | 1 reseller: pubmatic.com | 0 |
| pangleglobal.com | 1 | 1 reseller: pubmatic.com | 1 |
64 resellers, intermediary not matched to a direct seller of this app (not cross-checked yet: 4; the intermediary's domain is not a direct seller of this app: 41; the ad system publishes no usable sellers.json: 8; sellers.json lists the account as a publisher, not an intermediary: 2; account not found in the ad system's sellers.json: 9).
Seller IDs the networks do not list
11 lines of this app-ads.txt name an account ID that the ad system's sellers.json does not contain. Usually a stale line or a typo in the ID. How to fix it
| Line | Ad system | Account ID | Relationship |
|---|---|---|---|
| 7 | pangleglobal.com | 5040515 | DIRECT |
| 11 | vungle.com | 6a3b4196f28c146c135a6552 | DIRECT |
| 58 | bid-matrix.com | 7a33a9718c7ee898 | RESELLER |
| 104 | inmobi.com | 38e36193f3c944d0b6254c71e511041b | RESELLER |
| 105 | inmobi.com | 5d2c913a0c5f4142acc7412723ee15d7 | RESELLER |
| 107 | inmobi.com | ec6f6ceb8bb1440ba5455644ec96c275 | RESELLER |
| 137 | ogury.com | 94097320-ac25-4bfb-9082-c6784e3932fd | RESELLER |
| 146 | openx.com | 540646187 | RESELLER |
| 355 | xandr.com | 10128 | RESELLER |
| 385 | bidnex.com | 8 | RESELLER |
| 398 | opera.com | pub13954598314368 | RESELLER |
More apps from 4ENGLISH TECHNOLOGY CO.,LTD
New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Fri, Oct 9, 2026 3:04 AM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.