Tsunami Shield vs Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tsunami Shield
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Tsunami Shield – Your Tsunami Safety Companion Tsunami Shield helps you prepare for, respond to and stay informed during tsunami emergencies. Whether you're at home, travelling or monitoring loved ones overseas, Tsunami Shield gives you the information and tools you need when every second matters. Free to download with a 3-day free trial. After your trial, a monthly or annual subscription is required to continue accessing all features. All features are available in full during the trial and to active subscribers. OFFICIAL TSUNAMI ALERTS Receive official tsunami warnings and alerts for your monitored locations and current position when supported by local authorities. GLOBAL TSUNAMI MONITORING Track earthquakes and tsunami activity around the world with an interactive globe and real-time monitoring tools. PROTECT MULTIPLE LOCATIONS Monitor your home, family members, holiday destinations and other important locations around the globe. EVACUATION GUIDANCE Access practical evacuation information and guidance during tsunami warnings, helping you understand what actions to take. Includes map and step by step guidance to safety. EMERGENCY ASSISTANCE Quickly access emergency phone numbers and essential assistance information for your current country or other supported locations. TRAVEL MODE Stay safe while travelling the globe and add countries you visit to be informed of any local alerts. DESTINATION SAFETY CHECKS Research historical tsunami activity and coastal risk before travelling to potential tsunami-prone destinations. QUICK SAFETY MESSAGING Send pre-filled "I'm Safe" or "I need Help" emergency messages to loved ones using your device's messaging apps (with your GPS co-ordinates included for ‘I need help’ messages). DESIGNED FOR PREPAREDNESS Tsunami Shield is built to help individuals, families and travellers stay informed and better prepared before, during and after tsunami emergencies. Key Features • Official tsunami alerts and warnings • Real-time global earthquake monitoring • Multi-location protection worldwide • Evacuation guidance and safety information • Emergency assistance tools • Travel Mode • Global Watch • Destination tsunami risk checks • Quick safety messaging for loved ones • Designed for travellers, families and coastal communities Important: Tsunami Shield provides informational and preparedness tools only and should not replace official emergency instructions, evacuation orders or local authority guidance. Tsunami Shield Terms & Conditions: https://tsunamishield.tech/terms Tsunami Shield Privacy Policy: https://tsunamishield.tech/privacy
Go
This app provides personalized weather forecasts for specific outdoor activities. It translates complex weather data into simple green, yellow, or red indicators for the next seven days, explaining the reasoning behind each forecast. Users can customize activity limits and receive optional morning alerts.
- Activity-specific forecasts
- 7-day outlook
- Customizable activity limits
- Apparent temperature (heat index/wind chill)
- Reasoning for forecasts
- Optional morning alerts
- iCloud sync
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Go-Weather answers one question: can I do this right now, or when can I? Pick what you do outside — grilling, golf, running, disc golf, stargazing, flying a drone — and Go-Weather tells you green, yellow, or red for every hour of the next seven days. Not a wall of numbers. An answer. WHAT MAKES IT DIFFERENT Every activity has its own limits, and you set them. Grilling cares about wind gusts that throw ash and kill a flame. Stargazing cares about cloud cover, and only after dark. A drone has a battery floor rated against actual air temperature. Those are different questions, and a single "72° and partly cloudy" answers none of them. Comfort is judged on apparent temperature — heat index when it's hot, wind chill when it's cold — because that's what you actually feel. WHY IT'S TRUSTWORTHY Every verdict says why. "Red — gusts 32 mph" tells you something a coloured dot doesn't. When the forecast doesn't publish a value, Go-Weather says it skipped that check rather than quietly assuming everything is fine. Forecasts come from the National Weather Service: the same government data the official forecast pages use. No third-party weather vendor in between. NO ACCOUNTS There's no sign-up, no email, no password. Your activities sync through your own iCloud account, so your other devices see the same setup without you creating anything. No analytics, no ad identifiers, no tracking. MORNING HEADS-UP Every morning, your next twelve hours as a row of green, yellow and red squares, for each activity you switch on. Part of Pro. FREE AND PRO Free: one activity, chosen from any of the twelve presets. Pro ($2.99, one time): every preset, unlimited activities, the builder for making your own from scratch, and the morning heads-up. One payment. Not a subscription — there's nothing to charge rent for. UNITED STATES ONLY Go-Weather uses the National Weather Service, which covers the United States and its territories. It will not produce a forecast for anywhere else. Go-Weather is not for life-safety decisions. Official National Weather Service alerts and advisories always take precedence.
Screenshots
Verdict
The clearest difference is in-app purchases: Tsunami Shield at none against Go's 1. Tsunami Shield also leads on iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.
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. Go sells 1 one-off in-app purchase. Tsunami Shield asks for nothing beyond the download.
| Parameter | Tsunami Shield | Go |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 44 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Smart Send Australia Pty Ltd | Ben Mielke |
In-app purchases
Tsunami Shield
No in-app purchases
Go
- Go-Weather Pro$2.99









