ITMO vs Aurora Expert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ITMO
This app provides real-time visibility reports for Mount Rainier, allowing users to quickly see if the mountain is visible. Users can contribute their own sightings, view recent photos and webcams, and earn rewards for reporting clear views. It prioritizes user privacy by anonymizing location data.
- Real-time visibility reports
- Submit your own sightings
- View recent photos and webcams
- Live map of reports
- Leaderboard with rewards
- Anonymized location data
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Know if The Mountain is out before you head out. ITMO turns live neighbor reports into a clear, local read on whether Mount Rainier (known by more than 20 Indigenous names across the region's tribes, including Tahoma and Tacoma, "the mother of waters") is visible right now. One glance answers the question every Puget Sound local asks. What you can do • See the current verdict on The Mountain • Call it out in one tap when you catch a clear view • Watch the live map light up as reports roll in • Check recent photos and webcam views before you head out • Share a clean report card to your socials • Climb the leaderboard and earn Tahoma Tokens for every sighting Private by design Every report is anonymized to a ~300m hex on an H3 grid. You share the view, never your exact location. Built for the PNW Made for slow mornings, last-minute plans, and everyone around Seattle and Tacoma waiting for a clear horizon. Free to join.
Aurora Expert
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Live data from NOAA’s new solar wind sentinel SOLAR-1: Aurora Expert tells you whether you can see the aurora tonight – at your place, with clouds, darkness and the moon. FREE • Tonight’s chance at your place, in five levels from “Very low” to “Very likely” – and every value says when it is from. • Why this verdict? Tap ⓘ: the factors behind the chance and the Kp it takes where you are. • Forecast for up to three nights: Kp, how far the aurora reaches, and the clouds when Apple Weather provides them. • Globe with a time scrubber: NOAA’s aurora oval twelve hours back and ahead, with the day and night side. For both hemispheres. • An alert for your home when the aurora activity there reaches the threshold and it is dark – with a test alert, so you know it arrives. • Red light and field mode for outside: compass and the key values, and your eyes stay adapted to the dark. • Live Activity and widgets for the Lock Screen and StandBy. • Journal with a season summary: for each place, from your own answers, how often you saw the aurora at each forecast level. • At Kp 7 or more, the storm cockpit is open for one night without Aurora Pro. AURORA PRO – ONE PURCHASE, NO SUBSCRIPTION • Place alerts: alerts for every saved place within aurora range, your own threshold of 25, 50 or 75%, wake for strong activity. Save unlimited places. • Trip planner: the best spot for every night of your trip, with route and leave-by reminder. • Tonight from here: clearer places within a 30 to 90 minute drive. • Your best nights: season calendar and widget. • Storm cockpit: Deep Dive with solar wind, Kp history and raw data, substorm tracker, CME outlook and live tiles in field mode. • My nights: photos for your nights, a gallery and export as CSV or JSON. DATA Aurora activity (OVATION), Kp and storm warnings from NOAA SWPC, solar wind from NOAA SOLAR-1 / ACE at the Lagrange point L1, clouds from Apple Weather. No ads, no tracking.
Screenshots
Verdict
ITMO and Aurora Expert are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ITMO sells 3 in-app purchases, starting at $1.99 per 7 days and Aurora Expert sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ITMO ships an update every 5 days, Aurora Expert every 6 days. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.
| Parameter | ITMO | Aurora Expert |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 5 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 72 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Rainier Watch LLC | Mark Baumann |
In-app purchases
ITMO
- Super Watcher Club Weekly3 Days trial$1.997 Days
- Super Watcher Club Monthly7 Days trial$4.991 Month
- Super Watchers Club14 Days trial$29.991 Year
Aurora Expert
- Aurora Export Pro Unlock$4.99









