Ad system
amplifier.audio
20,199 apps across 2,006 app-ads.txt files declare amplifier.audio; 88% hold a DIRECT account and 43% list it as a RESELLER. Of 3,660 lines checked against its sellers.json (125 sellers), 46% match, 15% name an unlisted account and 14% declare the wrong seller type.
- Apps declaring it
- 20,199
- Sellers in sellers.json
- 125
- Lines verified
- 46%
- Lines with errors
- 1,131
- Avg. supply path score
- 49.4 / 100
17,679 DIRECT · 8,610 RESELLER
0% confidential
1,755 of 3,801 checked lines
3,801 lines in total
21,007 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 amplifier.audio 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.
amplifier.audio, YOUR_ACCOUNT_ID, DIRECT
amplifier.audio, YOUR_ACCOUNT_ID, RESELLER
- Field 1:
amplifier.audio, the domain amplifier.audio uses in app-ads.txt. - Field 2: your account ID with amplifier.audio. It must equal the
seller_idin amplifier.audio'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 amplifier.audio carry none, or different ones, so we do not suggest one.
sellers.json at a glance
- Status
- Published
- Sellers listed
- 125
- Confidential
- 0 (0%)
- Passthrough
- 0
- Removed, last 30 days
- 0
- Last read
- Oct 13, 2026
- PUBLISHER99
- INTERMEDIARY18
- BOTH8
Cross-check of lines naming amplifier.audio
- Verified 1,755
- Seller ID not found 593
- DIRECT but intermediary 167
- RESELLER but publisher 371
- Seller type BOTH 915
- Confidential seller 0
- No sellers.json 0
- Unchecked 0
Every line naming amplifier.audio is looked up in its sellers.json. What each status means
Common errors with amplifier.audio lines
-
Seller type BOTH
915 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.
-
Seller ID not found
593 lines
Ask amplifier.audio 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.
-
RESELLER but publisher
371 lines
If the account is yours, declare it DIRECT. If a partner holds it, ask amplifier.audio why the account is listed as PUBLISHER.
-
DIRECT but intermediary
167 lines
If a partner holds this account and resells your inventory, the line should say RESELLER. If the account is yours, ask amplifier.audio to list it as PUBLISHER.
Intermediaries most declared as RESELLER
Accounts on amplifier.audio 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 |
|---|---|---|
| soundstack.com | BOTH | 869 |
| acast.com | INTERMEDIARY | 828 |
| adtelligent.com | INTERMEDIARY | 158 |
| mediaverse.ai | BOTH | 20 |
| azerion.com | INTERMEDIARY | 8 |
| display.io | BOTH | 4 |
Apps that declare amplifier.audio
| App | Store | Relationship | Status |
|---|---|---|---|
| Android | RESELLER | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live | |
| Android | RESELLER | Live | |
| iOS | RESELLER | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT + RESELLER | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT + RESELLER | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT | Live | |
| iOS | DIRECT + RESELLER | Live | |
| iOS | DIRECT | Live | |
| Android | DIRECT + RESELLER | Live | |
| Android | DIRECT | Live | |
| Android | DIRECT | Live |
Questions about amplifier.audio
Does amplifier.audio publish a sellers.json?
Yes. Its file at https://app.adtonos.com/sellers.json listed 125 sellers when we last read it on 13 October 2026: 99 publishers, 18 intermediaries and 8 listed as both; 0% are confidential.
How many apps declare amplifier.audio in app-ads.txt?
20,199 apps in Stoqlab's data (delisted apps included) declare amplifier.audio: 17,679 with at least one DIRECT line and 8,610 with at least one RESELLER line, across 2,006 app-ads.txt files, as of 13 October 2026 (recounted daily).
Why do amplifier.audio lines fail verification?
Of 3,801 lines naming amplifier.audio, 1,131 contradict its sellers.json. The most common case is "Seller ID not found", on 593 lines. Ask amplifier.audio 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.
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 amplifier.audio. Something wrong? Tell us.