Ad system
mlion.io
Most of the 48,419 apps that declare mlion.io reach it through a reseller: 100% have a RESELLER line, 32% a DIRECT one (5,314 files, 3,554 of them through bigo.sg's account). Of 10,291 lines checked against its sellers.json (33 sellers), 90% match, 0.3% name an unlisted account and 9.9% declare the wrong seller type.
- Apps declaring it
- 48,419
- Sellers in sellers.json
- 33
- Lines verified
- 90%
- Lines with errors
- 1,115
- Avg. supply path score
- 50.4 / 100
15,653 DIRECT · 48,419 RESELLER
0% confidential
9,786 of 10,901 checked lines
10,901 lines in total
50,445 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 mlion.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.
mlion.io, YOUR_ACCOUNT_ID, DIRECT
mlion.io, YOUR_ACCOUNT_ID, RESELLER
- Field 1:
mlion.io, the domain mlion.io uses in app-ads.txt. - Field 2: your account ID with mlion.io. It must equal the
seller_idin mlion.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 mlion.io carry none, or different ones, so we do not suggest one.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 33
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 13, 2026
- PUBLISHER12
- INTERMEDIARY21
- BOTH0
Cross-check of lines naming mlion.io
- Verified 9,786
- Seller ID not found 33
- DIRECT but intermediary 0
- RESELLER but publisher 1,082
- Seller type BOTH 0
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming mlion.io is looked up in its sellers.json. What each status means
Common errors with mlion.io lines
-
RESELLER but publisher
1,082 lines
If the account is yours, declare it DIRECT. If a partner holds it, ask mlion.io why the account is listed as PUBLISHER.
-
Seller ID not found
33 lines
Ask mlion.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.
Intermediaries most declared as RESELLER
Accounts on mlion.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 domain | Type | Files |
|---|---|---|
| bigo.sg | INTERMEDIARY | 3,554 |
| bidmachine.io | INTERMEDIARY | 2,587 |
| pubnative.net | INTERMEDIARY | 920 |
| smaato.com | INTERMEDIARY | 915 |
| loopme.com | INTERMEDIARY | 28 |
| algorix.co | INTERMEDIARY | 3 |
| chartboost.com | INTERMEDIARY | 3 |
| mintegral.com | INTERMEDIARY | 3 |
Apps that declare mlion.io
| App | Store | Relationship | Status |
|---|---|---|---|
| iOS | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| iOS | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| iOS | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| iOS | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | RESELLER | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | RESELLER | Live |
Questions about mlion.io
Does mlion.io publish a sellers.json?
Yes. Its file at https://www.mlion.io/sellers.json listed 33 sellers when we last read it on 13 October 2026: 12 publishers, 21 intermediaries and 0 listed as both; 0% are confidential.
How many apps declare mlion.io in app-ads.txt?
48,419 apps in Stoqlab's data (delisted apps included) declare mlion.io: 15,653 with at least one DIRECT line and 48,419 with at least one RESELLER line, across 5,314 app-ads.txt files, as of 13 October 2026 (recounted daily).
Why do mlion.io lines fail verification?
Of 10,901 lines naming mlion.io, 1,115 contradict its sellers.json. The most common case is "RESELLER but publisher", on 1,082 lines. If the account is yours, declare it DIRECT. If a partner holds it, ask mlion.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 mlion.io. Something wrong? Tell us.