Set And Drift vs Central Alert Repository
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Set And Drift
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Take Current Measurements using any physical measuring device (e.g. a current stick) Ping the start and end locations, and the Set & Drift app will automatically calculate the Set Direction & Drift Rate of the current. Specify the original Event Time & Location, and the app will estimate the SAR target's approximate location.
Central Alert Repository
Access a real-time archive of nationwide emergency alerts, including severe weather warnings and official emergency messages. Stay informed about local threats and national crises with instant updates and a searchable history.
- Real-time emergency alert archive
- Nationwide alert access
- Severe weather warnings
- Searchable alert history
- Instant updates
- User-friendly interface
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Stay aware with Central Alert Repository, the real-time emergency alert archive by the Global Weather & EAS Society. Central Alert Repository is the ultimate real-time emergency alert archive, developed by the Global Weather & EAS Society. Stay ahead of emergencies with instant access to official alerts, severe weather warnings, and other emergency messages from across the nation. Whether tracking local threats or monitoring national crises, Central Alert Repository ensures you're always informed. With a user-friendly interface, searchable archives, and real-time updates, Central Alert Repository is your trusted source for staying prepared and aware.
Screenshots
Verdict
The clearest difference is update cadence: Set And Drift at every 4 days against Central Alert Repository's monthly. Central Alert Repository's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Set And Drift ships an update every 4 days, Central Alert Repository monthly. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.
| Parameter | Set And Drift | Central Alert Repository |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (55 ratings) — better |
| Positive reviews | — | 93.8% of reviews |
| Number of ratings | — | 55 — better |
| Update frequency | Every 4 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Susanne LEECH | Global Weather & EAS Society, LLC |
Bugs and requests
Set And Drift
Not enough reviews yet to summarise bugs or requests.
Central Alert Repository
Reported bugs
1 issue- Spammed with non-local alerts
Requested features
2 requests- Location filtering
- Additional features and improvements
In-app purchases
Set And Drift
No in-app purchases
Central Alert Repository
No in-app purchases
Questions
Is Set And Drift free?
Is Central Alert Repository free?
Do Set And Drift or Central Alert Repository have ads?
Which is updated more often, Set And Drift or Central Alert Repository?
Other comparisons
