The longest-running App Store ads in the AI homework category are all the same shape: one English line, running untranslated across a dozen or more EU countries. Answer AI has kept "Reword, Essay Writer, Email" live across 14 countries for more than a year, last recorded on 2 July 2026. Solvo ran "Scan Questions & Get Answers" across 12 countries for over a year before stopping in February. Unstuck ran "Lecture Recorder, Summarizer" across 25 EU storefronts, also for more than a year.
We pulled every App Store ad these apps ran across EU storefronts from Apple's public Ad Repository, the transparency dataset the EU Digital Services Act requires. Then we ranked each app by how long its longest creative stayed live. An ad that runs this long is the market's verdict on what converts, because nobody keeps paying for a creative that loses money. Data window ends 13 July 2026. Apple's feed lags about a week, so an ad last recorded in early July is still on air.
The survivor board
| App | Distinct creatives | Longest creative | Total ad records tracked |
|---|---|---|---|
| Solvo | 11 | Over 1 year ("Scan Questions & Get Answers", English, 12 countries, retired 19 Feb 2026) | 206 |
| Unstuck | 2 | Over 1 year ("Lecture Recorder, Summarizer", English, 25 countries, retired 8 Dec 2025) | 194 |
| Answer AI | 2 | Over 1 year ("Reword, Essay Writer, Email", English, 14 countries, live 2 Jul 2026) | 17 |
| Knowunity | 18 | 299 days ("Study Notes SchoolGPT AI", English, 6 countries, last 16 Jun 2026) | 1,635 |
| Gauth | 16 | 258 days ("Chiedi e ottieni risposte", Italian, retired 25 May 2026) | 216 |
| Solvely | 10 | 253 days ("Math Solver & Homework Helper", English, Hungary and Ireland, last 1 Jul 2026) | 264 |
| Nerd AI | 8 | 202 days ("Homework Helper & Tutor", English, 18 countries, live 12 Jul 2026) | 72 |
What the board says
The year-plus winners are English utility lines, not translated ones. The three ads that passed 365 days each state a plain job in English and run it wide: Answer AI's "Reword, Essay Writer, Email" (14 countries), Solvo's "Scan Questions & Get Answers" (12 countries), Unstuck's "Lecture Recorder, Summarizer" (25 countries). None of these three translate their winner. One line, many markets, held for a year.
The biggest spender is not the longest survivor. Knowunity tracks 1,635 ad records, far more than anyone else here, across 18 creatives. Its longest ad is 299 days: an English line, "Study Notes SchoolGPT AI", run into six markets that mostly do not speak English at home (Czechia, Greece, Hungary, Poland, Romania, Slovakia). Volume bought Knowunity reach and testing room, not a longer single winner than the small apps.
The apps that translate churn their creatives faster. Gauth writes a native line for each market ("Chiedi e ottieni risposte" in Italy, "Erhalten Sie sofort Antworten" in Germany, "Demande, reçois tes réponses" in France) and runs 16 of them, the most variant testing on the board. Its best still tops out at 258 days and stopped in May. Nerd AI does the same, an English hero across 18 countries plus native math lines in French, Italian, Spanish, German and Portuguese, and its longest is 202 days. Translation earns local relevance and, on this evidence, shorter individual lifespans.
Every ad ran in App Store search. Across all seven apps, the placement is App Store search: search results, plus the search tab for Gauth. None of these apps bought browse or Today-tab placement in the window. In this category the ad follows the query.
How to read this for your own category
Pull your own rivals the same way: list the apps you compete with, sort their ads by how long each creative has run, and note whether the survivors are one English line or a set of translated ones. In AI homework the durable pattern is a plain English statement of the job, run wide. Your category may reward the opposite. Write your first creatives against whatever has actually survived in your data, not against a guess, then check again next month, because a new long-runner appearing is a rival finding a fresh winner.
See which of your own competitors' ads have survived longest, free, no account, in about a minute.
Method note: figures are computed from Apple's public Ad Repository (DSA Article 39), across 25 EU storefronts, data window ending 13 July 2026. "Over 1 year" is Apple's own marker for a creative whose first impression predates the one-year window. "Days running" is the span from a creative's first to last recorded impression across those markets. Longevity is a proxy for performance, not a measured conversion rate. We invented no numbers. Refreshed monthly.