Speak & Learn English: LearnAI
by Office Lens: Android Tool, Translate, Scanner, PDF · ai.learner
Most of the 1,292 lines in Speak & Learn English: LearnAI's app-ads.txt (trustedtoolsutilities.com) are RESELLER lines: 1,254 against 38 DIRECT, across 212 ad systems. 802 of 1,209 lines checked against sellers.json match; 255 name a seller ID the network does not list, 59 declare the wrong seller type. The file last changed on 11 October 2026; the same file covers 9 apps of this developer.
Speak & Learn English: LearnAI shares its app-ads.txt (trustedtoolsutilities.com) with Volume Booster - Sound Booster (Google Play), whose page carries the full analysis of the file.
Store data
- Rating
- 4
- Installs
- 1M+
- Category
- Education
- Contains ads
- Yes
2,118 ratings
Offers in-app purchases
app-ads.txt
- Domain
- trustedtoolsutilities.com
- Status
- Found (200)
- Lines
- 1,292
- DIRECT / RESELLER
- 38 / 1,254
- Parse errors
- 200
- Last fetched
- Oct 13, 2026
- Last changed
- Oct 11, 2026
sellers.json cross-check
1,292 lines checked
Verified
802
Errors
314
Warnings
119
- Seller ID not found 255
- DIRECT but intermediary 13
- RESELLER but publisher 46
- Seller type BOTH 89
- Confidential seller 4
- No sellers.json 26
- Unchecked 57
Declared supply tree
38 direct accounts across 26 direct sellers · 800 resellers buying from them · 454 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| vungle.com | 1 | 345 resellers: pubmatic.com, rubiconproject.com, video.unrulymedia.com … | 0 |
| unity.com | 1 | 38 resellers: prado.co, kidoz.net, rubiconproject.com … | 0 |
| mintegral.com | 1 | 37 resellers: pubmatic.com, rubiconproject.com, conversantmedia.com … | 0 |
| thebrave.io | 2 | 30 resellers: smartadserver.com, sharethrough.com, appnexus.com … | 2 |
| yandex.com | 4 | 24 resellers: pubmatic.com, admanmedia.com, bold-win.com … | 2 |
| toponad.com | 2 | 17 resellers: pubmatic.com, media.net, eskimi.com … | 2 |
| applovin.com | 1 | 17 resellers: pubmatic.com, openx.com, zmaticoo.com … | 0 |
| ironsrc.com | 1 | 17 resellers: rubiconproject.com, bidmachine.io, e-planning.net … | 1 |
| opera.com | 1 | 17 resellers: pubmatic.com, smaato.com, pubnative.net … | 1 |
| zmaticoo.com | 1 | 16 resellers: tpmn.io, risecodes.com, aceex.io … | 1 |
| betweendigital.com | 1 | 12 resellers: smartadserver.com, mangomob.net, 33across.com … | 1 |
| smaato.com | 3 | 11 resellers: pubmatic.com, contextweb.com, zmaticoo.com … | 2 |
| + 14 more direct sellers in the full tree | |||
454 resellers, intermediary not matched to a direct seller of this app (the ad system publishes no usable sellers.json: 26; sellers.json lists the account as a publisher, not an intermediary: 46; the intermediary's domain is not a direct seller of this app: 76; account not found in the ad system's sellers.json: 247; not cross-checked yet: 55; the seller is confidential in sellers.json: 4).
Seller IDs the networks do not list
255 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 |
|---|---|---|---|
| 55 | bid-matrix.com | 7a33a9718c7ee898 | RESELLER |
| 100 | inmobi.com | 38e36193f3c944d0b6254c71e511041b | RESELLER |
| 101 | inmobi.com | 5d2c913a0c5f4142acc7412723ee15d7 | RESELLER |
| 103 | inmobi.com | ec6f6ceb8bb1440ba5455644ec96c275 | RESELLER |
| 133 | ogury.com | 94097320-ac25-4bfb-9082-c6784e3932fd | RESELLER |
| 142 | openx.com | 540646187 | RESELLER |
| 351 | xandr.com | 10128 | RESELLER |
| 387 | criteo.com | B-057955 | RESELLER |
| 388 | bigo.sg | 130 | RESELLER |
| 389 | toponad.com | 16385e313a271a | DIRECT |
| 392 | ignitemediatech.com | 61119 | RESELLER |
| 398 | indexexchange.com | 192829 | RESELLER |
| 400 | indexexchange.com | 194730 | RESELLER |
| 401 | inmobi.com | ebc44eef6c104f7fbf7bc52ee29f7939 | RESELLER |
| 403 | contextweb.com | 562499 | RESELLER |
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New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Tue, Oct 13, 2026 8:11 PM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.