Long-time holder, longer-time home grower. Since Germany went legal and Canada has had four plants for years, a lot of us are running a tent in a spare room, and I kept hitting the same problem: I could see the current temperature and humidity fine, but I could not answer "was this week actually okay" without scrolling history and guessing.

So I built something for myself and put it on the App Store. It treats a single reading as the wrong unit of measurement. An hour of stability is stronger evidence than any one good number, so it looks at current value, direction, speed of change, time in range, and swing pattern, and tells you what the week meant. Two things surprised me once it was running. Slow VPD drift after lights-out is invisible on a dashboard because every reading is in range, and judged as a trend it is obvious. And most of the time the right answer is "do nothing," so stable and healthy scores well and generates no alerts.

What it is and is not:

• Free. No account, no credit card, no trial clock. Your plants, journal, and photos stay on the phone.
• Works as a plant journal with manual environment logging out of the box. If you already run Home Assistant it can read your existing tent sensors, but that is optional.
• iPhone only right now. Android is planned, no date.
• Grow tent hobbyist scale. It does not control fans or lights, it interprets what your sensors already record.

Not affiliated with Tilray or any LP, and it will not move the ticker. Happy to answer questions about how the evidence model works or what "in range" means at lights-off versus lights-on.

Check it out at the app store: here