On-device decision engine
Write what you care about in plain words — “receipts I'll need at tax time”, “is this really from my bank?”. Loupe applies it across your photos, files, mail, calendar and contacts, shows you what it's unsure about, learns from your answers, and nothing leaves the device.
Illustration of the app's live run view, animated in your browser
What makes it different
Loupe is not a chatbot. It doesn't write about your data — it makes typed decisions (yes/no, pick one, score) with a small model that runs where your data already is.
Write a question the way you'd ask a friend. The Loupe Decision Model (~320M parameters) turns it into a yes/no, pick-one or score decision and runs it on your phone or Mac. It doesn't generate text; it decides.
~10 decisions/s, on-deviceYour photos, files, calendar and contacts are read on the device and never sent to us. No account, no analytics. Airplane mode: everything still works.
0 bytes outYou only review what it's torn on. Every judgment is measured against the dumb version — a keyword rule — and if the rule wins, Loupe says so and offers to use it.
baseline check on every judgmentOne judgment spans everything: “receipts I'll need at tax time” returns email attachments, photographed paper, PDFs and spreadsheet rows in one list.
photos · files · mail · calendar · contacts · webPrice rises (+23% insurance at renewal), expiring documents, impersonation (“Mum” from an address or number that isn't hers), fake sites and phishing — each with its evidence.
5 watchersEvery result names the item, its source and date, with Open original. Privacy findings re-find the match on tap and show where it is, masked.
no black boxesFinds ID and passport numbers, card numbers, IBANs, keys and tokens, contact lists, payroll sheets and duplicate files in your own sources. Masked previews; nothing proposed happens until you approve.
rules on the device, no model neededWatch a job run: stages on a loop, question diamonds with their latest answer, one particle per real item, who answered, and the cost of asking a cloud model instead.
EN + AR, mirrored in RTLA river shooter where Loupe flies, with its raw probability bars on screen, against a dumb autopilot on the same seed.
60 fps · p50 ~63 msOff by default. Bring your own provider key (or Ollama on your network) and it drafts replies and second opinions — labelled drafts that wait for your approval. Judgments never depend on it.
never sends anything as youTry it
Pick a judgment. The items below sort into “yes”, “no” and “needs you”, with a confidence bar and the keyword rule's answer beside each — the way the app shows results.
In the real app the keyword rule is measured against your own corrections, and when it wins, Loupe tells you and offers to use it.
Privacy you can check
The Loupe Decision Model runs on your iPhone or Mac. Your photos, files, calendar and contacts are read there and are not sent to us or anyone else. No account. No analytics, advertising or crash-reporting SDKs.
Watchers
Five watchers look for the things that cost you, at the moment they would cost you — across sources nothing else sees together. Every finding shows its evidence.
On iPhone, impersonation runs on email and contacts — iOS gives no app access to your SMS inbox. Phishing checks add to your browser's protection; they don't replace it.
Live run view · Riverflight
Every long job shows itself as a loop of stages around the mascot — the engine. One particle per real item, each question diamond showing its latest answer and confidence, and cards for who answered, where items went, and what asking a cloud model would have cost instead.
Riverflight is a river shooter where Loupe flies. It decides many times a second with its raw probability bars on screen, against a dumb autopilot on the same river.
Measured 25 Sep 2026.
The apps
Screenshots from Loupe for iPhone.
Loupe Station for MacGet Loupe
The full desktop engine: playground, folder scan, mail triage, browser protection, watchers and the live run view.
The phone app: judgments across your photos, files, mail, calendar and contacts, the watchers, the privacy check and Riverflight.
Hear when Loupe reaches your platform. We'll email only about what you tick below.
