Mathway: Math Problem Solver
by Chegg, Inc. · 467329677
Most of the 377 lines in Mathway: Math Problem Solver's app-ads.txt (mathway.com) are RESELLER lines: 371 against 6 DIRECT, across 99 ad systems. 140 of the 354 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.
Store data
- Rating
- 4.88
- Installs
- —
- Category
- Education
- Contains ads
- Yes
424,579 ratings
Not published by Apple
Offers in-app purchases
app-ads.txt
- Domain
- mathway.com
- Status
- Found (200)
- Lines
- 377
- DIRECT / RESELLER
- 6 / 371
- Parse errors
- 3
- Last fetched
- Oct 13, 2026
- Last changed
- Oct 4, 2026
sellers.json cross-check
377 lines checked
Verified
181
Errors
146
Warnings
31
- Seller ID not found 140
- RESELLER but publisher 6
- Seller type BOTH 27
- No sellers.json 4
- Unchecked 19
Declared supply tree
6 direct accounts across 6 direct sellers · 155 resellers buying from them · 216 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| ironsrc.com | 1 | 45 resellers: pubmatic.com, rubiconproject.com, openx.com … | 0 |
| risecodes.com | 1 | 19 resellers: xandr.com, sharethrough.com, rubiconproject.com … | 0 |
| applovin.com | 1 | 5 resellers: risecodes.com, rubiconproject.com, pubmatic.com … | 1 |
| google.com | 1 | 1 reseller: pubmatic.com | 0 |
| aps.amazon.com | 1 | — | 1 |
| facebook.com | 1 | — | 0 |
216 resellers, intermediary not matched to a direct seller of this app (account not found in the ad system's sellers.json: 138; sellers.json lists the account as a publisher, not an intermediary: 6; not cross-checked yet: 18; the intermediary's domain is not a direct seller of this app: 50; the ad system publishes no usable sellers.json: 4).
Seller IDs the networks do not list
140 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 |
|---|---|---|---|
| 5 | aps.amazon.com | 8c7c5692-f567-43bc-950d-4ecc3b10e84d | DIRECT |
| 14 | applovin.com | a694c86364f9aaadf767b30907ba7686 | DIRECT |
| 19 | appnexus.com | 3368 | RESELLER |
| 20 | appnexus.com | 7445 | RESELLER |
| 24 | openx.com | 540311484 | RESELLER |
| 25 | pubmatic.com | 156372 | RESELLER |
| 27 | rubiconproject.com | 16676 | RESELLER |
| 30 | smartclip.net | 411 | RESELLER |
| 31 | smartclip.net | 9394 | RESELLER |
| 33 | sonobi.com | 0d53936254 | RESELLER |
| 37 | video.unrulymedia.com | 3169196794 | RESELLER |
| 42 | advertising.com | 26282 | RESELLER |
| 43 | advertising.com | 3531 | RESELLER |
| 44 | advertising.com | 8693 | RESELLER |
| 48 | appnexus.com | 1752 | RESELLER |
More apps from Chegg, Inc.
New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Tue, Oct 13, 2026 1:08 AM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.