iOS Live app-ads.txt · Found

SmartBook: Dual Language Books

by Stanislau Kurs · 1278697399

Most of the 729 lines in SmartBook: Dual Language Books's app-ads.txt (smart-book.net) are RESELLER lines: 690 against 39 DIRECT, across 205 ad systems. 222 of the 654 lines checked name a seller ID the network's sellers.json does not list, so buyers that check drop those paths. The file last changed on 4 October 2026; the same file covers 2 apps of this developer.

SmartBook: Dual Language Books shares its app-ads.txt (smart-book.net) with Bilingual Books: Parallel Read (Google Play), whose page carries the full analysis of the file.

Rating: 4.33
Installs: —
Category: Education
Contains ads: —

app-ads.txt

Domain: smart-book.net
Status: Found (200)
Lines: 729
DIRECT / RESELLER: 39 / 690
OWNERDOMAIN: smart-book.net
Parse errors: 94
Last fetched: Oct 12, 2026
Last changed: Oct 4, 2026

sellers.json cross-check

729 lines checked

Verified

315

Errors

275

Warnings

Seller ID not found 222
DIRECT but intermediary 7
RESELLER but publisher 46
Seller type BOTH 60
Confidential seller 4
No sellers.json 33
Unchecked 42

What each status means

Declared supply tree

39 direct accounts across 37 direct sellers · 314 resellers buying from them · 376 not matched

Explore the full tree →

Stanislau Kurs Direct seller Resellers buying from it

Direct seller	Accounts	Resold by	Issues
yandex.com	1	36 resellers: rubiconproject.com, smartadserver.com, pubmatic.com …	1
opera.com	1	22 resellers: pubmatic.com, lijit.com, rubiconproject.com …	1
admatic.com.tr	1	16 resellers: rtbhouse.com, rubiconproject.com, adform.com …	1
zmaticoo.com	2	14 resellers: tpmn.io, webeyemob.com, betweendigital.com …	2
adelement.com	1	6 resellers: pubmatic.com, lijit.com, triplelift.com …	1
bidmachine.io	1	6 resellers: appnexus.com, xandr.com, themediagrid.com …	1
mintegral.com	1	6 resellers: rubiconproject.com, video.unrulymedia.com, webeyemob.com …	1
pwr-games.com	1	6 resellers: media.net, loopme.com, smartadserver.com …	1
smartbid.ai	1	6 resellers: freewheel.tv, lijit.com, improvedigital.com …	0
dxkulture.com	1	4 resellers: onetag.com, smartadserver.com, video.unrulymedia.com …	1
toponad.com	1	3 resellers: lijit.com, singularads.com, uis.mobfox.com	1
ushareit.com	1	3 resellers: smartyads.com, rubiconproject.com, pubmatic.com	0
+ 25 more direct sellers in the full tree

376 resellers, intermediary not matched to a direct seller of this app (account not found in the ad system's sellers.json: 207; not cross-checked yet: 39; sellers.json lists the account as a publisher, not an intermediary: 46; the ad system publishes no usable sellers.json: 27; the intermediary's domain is not a direct seller of this app: 56; the seller is confidential in sellers.json: 1).

Seller IDs the networks do not list

222 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
2	yandex.com	56203423	DIRECT
4	openx.com	541177349	RESELLER
5	pubmatic.com	159668	RESELLER
6	rubiconproject.com	19724	RESELLER
8	emxdgt.com	2047	RESELLER
10	loopme.com	11278	RESELLER
11	appnexus.com	13817	RESELLER
13	silvermob.com	449	RESELLER
15	video.unrulymedia.com	3734122830	RESELLER
26	uis.mobfox.com	165	RESELLER
27	video.unrulymedia.com	456081263	RESELLER
28	appnexus.com	2637	RESELLER
29	openx.com	539249210	RESELLER
33	inmobi.com	a5e661acdc384e91a79a58eb3418e99f	RESELLER
34	vidcrunch.com	5fb267bc6e2dd520fd551415	RESELLER

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New to these files? What is app-ads.txt · Network directory · Glossary

Last crawled Fri, Oct 9, 2026 5:06 PM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.