Quarked! Catcher vs REDACt EU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quarked! Catcher
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From the Quarked! Adventures in the Subatomic Universe project: www.quarked.org
REDACt EU
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REDACt is a powerful earthquake monitoring app which delivers all of the information you need, with push notifications included, all free of charge. It also includes a beautifully simple design optimized for the latest versions of iOS.
Screenshots
Verdict
The clearest difference is update cadence: REDACt EU at every 3 weeks against Quarked! Catcher's every 39 months. 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.
Quarked! Catcher ships an update every 39 months, REDACt EU every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | Quarked! Catcher | REDACt EU |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 39 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 38 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | The University of Kansas | Redvector SRL |
In-app purchases
Quarked! Catcher
No in-app purchases
REDACt EU
No in-app purchases
Questions
Is Quarked! Catcher free?
Is REDACt EU free?
Do Quarked! Catcher or REDACt EU have ads?
Which is updated more often, Quarked! Catcher or REDACt EU?
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