Ad system

crystall.io

Most of the 18,255 apps that declare crystall.io reach it through a reseller: 56% have a RESELLER line, 52% a DIRECT one (1,714 files, 1 of them through topminecraftservers.org's account). Of 1,842 lines checked against its sellers.json (64 sellers), 38% match, 5.5% name an unlisted account and 56% declare the wrong seller type.

Apps declaring it
18,255

9,548 DIRECT · 10,260 RESELLER

Sellers in sellers.json
64

0% confidential

Lines verified
38%

702 of 1,842 checked lines

Lines with errors
1,125

1,842 lines in total

Avg. supply path score
50.1 / 100

18,958 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 crystall.io 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.

crystall.io, YOUR_ACCOUNT_ID, DIRECT
crystall.io, YOUR_ACCOUNT_ID, RESELLER
  • Field 1: crystall.io, the domain crystall.io uses in app-ads.txt.
  • Field 2: your account ID with crystall.io. It must equal the seller_id in crystall.io'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): a certification authority ID. Most lines naming crystall.io carry none, or different ones, so we do not suggest one.

sellers.json at a glance

Status
Published
Sellers listed
64
Confidential
0 (0%)
Passthrough
0
Removed, last 30 days
0
Last read
Oct 13, 2026
  • PUBLISHER29
  • INTERMEDIARY24
  • BOTH11

Cross-check of lines naming crystall.io

  • Verified 702
  • Seller ID not found 102
  • DIRECT but intermediary 0
  • RESELLER but publisher 1,023
  • Seller type BOTH 15
  • Confidential seller 0
  • No sellers.json 0
  • Unchecked 0

Every line naming crystall.io is looked up in its sellers.json. What each status means

Common errors with crystall.io lines

  • RESELLER but publisher 1,023 lines

    If the account is yours, declare it DIRECT. If a partner holds it, ask crystall.io why the account is listed as PUBLISHER.

  • Seller ID not found 102 lines

    Ask crystall.io 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.

  • Seller type BOTH 15 lines

    The account is listed as BOTH, so sellers.json alone cannot tell a buyer which relationship applies. Nothing to fix on your side; buyers usually look at the seller's domain.

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

Intermediaries most declared as RESELLER

Accounts on crystall.io that its sellers.json lists as INTERMEDIARY or BOTH, by the number of app-ads.txt files declaring them. Confidential sellers are left out.

Seller domainTypeFiles
topminecraftservers.org BOTH 1

Apps that declare crystall.io

AppStoreRelationshipStatus
Android RESELLER Live
Android DIRECT Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android RESELLER Live
Android DIRECT Live
iOS RESELLER Live
Android DIRECT Live
Android DIRECT Live
iOS RESELLER Live
Android RESELLER Live
Android DIRECT Live
Android RESELLER Live
iOS DIRECT + RESELLER Live
Android RESELLER Live
Android DIRECT Live
Android RESELLER Live

Questions about crystall.io

Does crystall.io publish a sellers.json?

Yes. Its file at https://www.crystall.io/sellers.json listed 64 sellers when we last read it on 13 October 2026: 29 publishers, 24 intermediaries and 11 listed as both; 0% are confidential.

How many apps declare crystall.io in app-ads.txt?

18,255 apps in Stoqlab's data (delisted apps included) declare crystall.io: 9,548 with at least one DIRECT line and 10,260 with at least one RESELLER line, across 1,714 app-ads.txt files, as of 13 October 2026 (recounted daily).

Why do crystall.io lines fail verification?

Of 1,842 lines naming crystall.io, 1,125 contradict its sellers.json. The most common case is "RESELLER but publisher", on 1,023 lines. If the account is yours, declare it DIRECT. If a partner holds it, ask crystall.io 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 crystall.io. Something wrong? Tell us.