SNEWS Events vs Sci
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SNEWS Events
Receive instant alerts for imminent galactic core-collapse events. This app supplements a global network of neutrino experiments, providing notifications for potential supernova events. It includes a sky map, links to astronomical resources, and public message boards for community interaction.
- Supernova event notifications
- Global neutrino experiment network
- Imminent galactic core-collapse alerts
- Sky map for event location
- Links to astronomical websites
- Public message boards
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The SuperNova Early Warning System (SNEWS) is a global network of neutrino experiments sensitive to supernova neutrinos. The goal of SNEWS is to provide the astronomical community with a prompt alert of an imminent Galactic core-collapse event. This will allow for complete multi-messenger observations of the supernova across the electromagnetic spectrum, in gravitational waves, and in neutrinos. A supernova event might also be visible to the naked eye a few hours or days after a prompt SNEWS alert. This app uses the prompt alerts sent out by SNEWS to generate a Notification on iPhones using Apple’s Push Notification System. The app is meant to supplement the system established by SNEWS for the astronomical community and to be used by the general pubic interested in astronomy. The app includes a Sky Map to locate the position in the sky of any reported supernova, Links to various astronomical websites related to supernovas, a public Message Board to share information among users and another public Message Board for posts from members of the SNEWS community. A SuperNova event detectable by SNEWS is expected only every 10 years. So download this app, keep it on your device and await the next supernova. Screenshots: The app options, database of SNEWS Events, information on an Event, the sky map
Sci
Explore STEM concepts and problem-solving skills through hands-on activities tied to real-world locations. Search activities by site, STEM field, or curriculum standards. Activities are categorized for pre-visit, during-visit, and post-visit engagement.
- Hands-on STEM activities
- Location-based exploration
- Searchable by site name
- Filter by STEM field
- Curriculum standard alignment
- Pre/during/post visit activities
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This Sci-Map app encourages the exploration of STEM concepts right in your own community and promotes the practice of problem-solving skills. It is an efficient tool for educators, parents, or anyone seeking a guide to explore the world . The hands-on activities are searchable by name of the real-world site, by type of activity (sorted by STEM field and name of the activity) or by Florida Curriculum standards associated with the concepts or skills used in the hands-on activity. The activities are also sorted by whether they are useful while you are visiting the site (to guide you in your exploration) or if they are introductory activities (to prepare you before you visit) or extension activities (to further investigate after you visit and have explored the site).
Screenshots
Verdict
The clearest difference is update cadence: Sci at every 2 days against SNEWS Events's monthly. SNEWS Events's advantage is iOS requirement (12.0 vs 15.1). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SNEWS Events against 5.0 for Sci. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
SNEWS Events ships an update monthly, Sci every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | SNEWS Events | Sci |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 2 |
| Update frequency | Monthly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Kramer | Hands On Gainesville Inc |
Customer experience
SNEWS Events
Sci
In-app purchases
SNEWS Events
No in-app purchases
Sci
No in-app purchases








