Stoqlab

Ad network and mediation

ironSource (Unity)

ironsrc.com

ironsrc.com is the domain of ironSource's in-app ad network and its LevelPlay mediation platform. ironSource merged with Unity in 2022.

98,170 apps across 12,336 app-ads.txt files declare ironsrc.com; 92% hold a DIRECT account and 52% list it as a RESELLER. Of 40,160 lines checked against its sellers.json (5,250 sellers), 46% match, 11% name an unlisted account and 42% declare the wrong seller type. 53% of the lines carry the certification ID 79929e88b2ba73bc.

Check an app-ads.txt Open in dashboard
Apps declaring it
98,170

90,090 DIRECT · 50,774 RESELLER

Sellers in sellers.json
5,250

0% confidential

Lines verified
46%

19,603 of 42,219 checked lines

Lines with errors
22,616

42,219 lines in total

Avg. supply path score
50.0 / 100

102,025 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 13 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 ironSource (Unity) 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.

ironsrc.com, YOUR_ACCOUNT_ID, DIRECT, 79929e88b2ba73bc
ironsrc.com, YOUR_ACCOUNT_ID, RESELLER, 79929e88b2ba73bc
  • Field 1: ironsrc.com, the domain ironSource (Unity) uses in app-ads.txt.
  • Field 2: your account ID with ironSource (Unity). It must equal the seller_id in ironSource (Unity)'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): 79929e88b2ba73bc, the certification authority ID on 53% of the lines naming ironsrc.com.

sellers.json at a glance

Status
Published
Sellers listed
5,250
Confidential
0 (0%)
Passthrough
0
Removed, last 30 days
0
Last read
Oct 13, 2026
  • PUBLISHER5,250
  • INTERMEDIARY0
  • BOTH0

Cross-check of lines naming ironsrc.com

  • Verified 19,603
  • Seller ID not found 4,729
  • DIRECT but intermediary 0
  • RESELLER but publisher 17,887
  • Seller type BOTH 0
  • Confidential seller 0
  • No sellers.json 0
  • Unchecked 0

Every line naming ironsrc.com is looked up in its sellers.json. What each status means

Common errors with ironsrc.com lines

  • RESELLER but publisher 17,887 lines

    If the account is yours, declare it DIRECT. If a partner holds it, ask ironSource (Unity) why the account is listed as PUBLISHER.

  • Seller ID not found 4,729 lines

    Ask ironSource (Unity) for the account ID it lists for you in its sellers.json, correct the line, or remove it if you no longer work with them. Buyers that check sellers.json drop these paths.

Common app-ads.txt errors and how to fix them

Apps that declare ironsrc.com

AppStoreRelationshipStatus
Bubble Witch 2 Saga Bubble Witch 2 Saga
 Android DIRECT + RESELLER Live
Pizza Ready! Pizza Ready!
 Android DIRECT + RESELLER Live
Document Scanner - PDF Creator Document Scanner - PDF Creator
 Android DIRECT Live
Paper.io 2 Paper.io 2
 iOS DIRECT + RESELLER Live
Tank Stars Tank Stars
 Android DIRECT + RESELLER Live
Asphalt Legends - Racing Game Asphalt Legends - Racing Game
 Android DIRECT Live
Aquapark.io Aquapark.io
 iOS DIRECT + RESELLER Live
CATS: Crash Arena Turbo Stars CATS: Crash Arena Turbo Stars
 Android DIRECT Live
OK: Social Network OK: Social Network
 Android DIRECT + RESELLER Live
Episode - Choose Your Story Episode - Choose Your Story
 iOS DIRECT Live
Toon Blast Toon Blast
 iOS DIRECT + RESELLER Live
元气骑士 元气骑士
 iOS DIRECT + RESELLER Live
Doomsday: Undead Bride Doomsday: Undead Bride
 Android DIRECT Live
Block Blast！ Block Blast！
 iOS DIRECT Live
Yandex Navigator Yandex Navigator
 Android DIRECT + RESELLER Live
Zynga Poker- Texas Holdem Game Zynga Poker- Texas Holdem Game
 Android DIRECT + RESELLER Live
Bubble Witch 3 Saga Bubble Witch 3 Saga
 Android DIRECT + RESELLER Live
Swamp Attack Swamp Attack
 Android DIRECT Live
OSM 26/27 Soccer Manager Game OSM 26/27 Soccer Manager Game
 Android DIRECT + RESELLER Live
Flight Pilot: 3D Simulator Flight Pilot: 3D Simulator
 Android DIRECT + RESELLER Live

Questions about ironSource (Unity)

Does ironSource (Unity) publish a sellers.json?

Yes. Its file at https://www.ironsrc.com/sellers.json listed 5,250 sellers when we last read it on 13 October 2026: 5,250 publishers, 0 intermediaries and 0 listed as both; 0% are confidential.

How many apps declare ironSource (Unity) in app-ads.txt?

98,170 apps in Stoqlab's data (delisted apps included) declare ironsrc.com: 90,090 with at least one DIRECT line and 50,774 with at least one RESELLER line, across 12,336 app-ads.txt files, as of 13 October 2026 (recounted daily).

What is the certification authority ID for ironSource (Unity)?

53% of the app-ads.txt lines naming ironsrc.com carry "79929e88b2ba73bc" in the fourth field. The field is optional; the IAB Tech Lab ads.txt 1.1 specification says identifiers in sellers.json supersede it, so a missing or different value does not make a line invalid.

Why do ironsrc.com lines fail verification?

Of 42,219 lines naming ironsrc.com, 22,616 contradict its sellers.json. The most common case is "RESELLER but publisher", on 17,887 lines. If the account is yours, declare it DIRECT. If a partner holds it, ask ironSource (Unity) 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 ironsrc.com. Something wrong? Tell us.