# Jetstream Weather & Stargazing — Routes, weather, stargazing > Routes, weather, stargazing (iPhone/iPad app by Horizone Peak Management Consultant Co., Ltd..) - Source: https://appshunter.io/ios/app/jetstream-weather-and-stargazing/id6807823530 (this page in markdown: same URL + `.md`) - Developer: [Horizone Peak Management Consultant Co., Ltd.](https://appshunter.io/developer/6792959352) - Category: Weather, Education - Price: Free - Age rating: 4+ - Requires: iOS 15.0 · 27 MB - Languages: American English - Released: 2026-11-02 - Data updated: 2026-11-06 ## What is Jetstream Weather & Stargazing? Jetstream puts flower season, everyday weather, route weather and the night sky in one free app. Flower season - Cherry blossom, plum, autumn leaves and ginkgo on the map for Japan, South Korea, the US, Switzerland, Germany and Canada (Ontario) - This year's observations, last year, and long-term averages to plan your trip, from each country's official sources Everyday weather - Current conditions and forecasts from official sources (CWA in Taiwan, JMA in Japan, NWS in the US), with MET Norway for the rest of the world - Radar worldwide, plus satellite rainfall over the oceans where there is no radar - Everyday index: what to wear, laundry, outdoors, driving, exercise, mosquitoes and more - Air quality, UV, pollen and dust; official warnings, earthquakes and tsunamis (Taiwan, US and Europe) - Sun and moon times, tides and sea state - Home Screen and Lock Screen widgets that follow your location Sky - Horizon-mode star chart with Chinese asterisms alongside Western constellations - Meteor showers, aurora probability, dark-sky sites and stargazing articles Route weather (for pilots) - Global wind, turbulence, cloud and icing layers, and a vertical route profile - AI flight briefing: METAR/TAF, SIGMET, NOTAMs and enroute weather in one readable brief - NOTAMs, FIR boundaries, oceanic tracks, HF/VHF assignments and GNSS interference - Offline flight pack: download the layers for your whole route before you leave Free Jetstream is free, with no purchases or subscriptions. The AI flight briefing has a daily limit (3 a day signed in, 1 a day without an account); everything else is unlimited, and no account is needed. Jetstream is a reference aid. It is not a source for flight decisions and does not replace official weather products or NOTAMs. Terms of Use (EULA): https://jetstream.h-peak.com/terms Privacy Policy: https://jetstream.h-peak.com/privacy ## Is Jetstream Weather & Stargazing safe? Not enough ratings yet to assess Jetstream Weather & Stargazing. ## Is Jetstream Weather & Stargazing legit? Jetstream Weather & Stargazing appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Jetstream Weather & Stargazing is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Version history (last 3 releases) ### 3.2.1 — 2026-11-06 • Fixed a stray line of text on alert cards ### 3.2.0 — 2026-11-04 • New Auto theme: long-press the day/night button to follow your iOS appearance • Typhoon tracks now include Hong Kong Observatory and the ECMWF model • With an imported OFP, SIDs and STARs are drawn from the flight plan's waypoints • The vertical profile shows head/tailwind at every level • Tap the map to see a 5-day wind outlook at the selected level • The flower-season list can be pulled up taller, and the legend collapsed • Chile volcanoes use the new EAV 0–5 scale ### 3.1.1 — 2026-11-02 No release notes. ## More apps by Horizone Peak Management Consultant Co., Ltd. - [PeakLog – Pilot Logbook](https://appshunter.io/ios/app/peaklog-pilot-logbook/id6792959350) - [Taiwan Parking](https://appshunter.io/ios/app/taiwan-parking/id6816791038) All apps by Horizone Peak Management Consultant Co., Ltd.: https://appshunter.io/developer/6792959352 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-06.*