ReCAAP vs Roll Period
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ReCAAP
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The enhanced ReCAAP mobile app features a user-friendly interface, comprising direct reporting of piracy and sea robbery incidents to MRCCs and law enforcement authorities, and seamless information sharing. Key features โข Latest piracy and sea robbery incidents at a glance โข Simultaneous reporting of incidents to MRCC of coastal States and ReCAAP Focal Points/Contact Point to facilitate speedy assistance from authorities โข Easy access to ReCAAP ISC reports and publications
Roll Period
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RollPeriod transforms your smartphone into a practical tool for vessel motion analysis. Using the built-in accelerometer, the app provides real-time measurements and insights: Roll and pitch periods are calculated with FFT analysis. Data import and export with CSV file support. Whether you are a sailor, marine engineer, or navigation enthusiast, RollPeriod helps you better understand vessel dynamics and make safer decisions at sea.
Screenshots
Verdict
The clearest difference is update cadence: ReCAAP at every 2 months against Roll Period's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ReCAAP ships an update every 2 months, Roll Period every 13 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.
| Parameter | ReCAAP | Roll Period |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months โ better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 50 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | ReCAAP ISC | Rob Grin |
In-app purchases
ReCAAP
No in-app purchases
Roll Period
No in-app purchases









