Comparison

Trap.nz vs Sea

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Trap.nz

This app helps coordinate environmental conservation efforts by allowing users to map, locate, and manage traps, monitoring sites, and bait stations. It simplifies data entry, offers offline functionality, and provides real-time status updates for installations, aiding in project management and reporting.

Highlights
  • Mapping and location management
  • Simplified data entry
  • Offline synchronization
  • Real-time installation status
  • Scheduling and daily logs
  • Integration with remote monitoring tools
  • User management and access control
Features
Read full description

Trap.nz is the collaboration tool of choice in the march toward Predator Free 2050. Used and funded by many of NZ's regional councils it provides project coordinators, volunteers, and landowners the ability to each play a core role in dramatically improving the environment we live in. The app is your on the ground tool for mapping, locating and managing trap, monitoring site and bait station records: - Simplified data entry (no more spreadsheets) - Seamless on-line / off-line synchronisation (no network coverage required) - Built in 5 minute bird count functionality - Real time status of installations - Scheduling and daily logs - An array of base maps including topographic, street, aerial and parcel boundaries - Integration with many remote monitoring tools (such as econode and celium) To get started you will need a Trap.NZ account and a project. It's free, so sign up and join or create a project at https://trap.nz, then see our App help section - https://trap.nz/help/app. Trap.nz takes away the need for in-house GIS skills and for larger projects removes the many hours of managing spreadsheets. Providing evidence and accountability for funding becomes trivial. With a Trap.nz project you get: - User management (control access levels, assign traps etc) - Access to powerful reporting including Heat Maps (all at the click of a button) - Printable maps (great for non-techy team members) - Reporting across multiple projects - Import and export data at any time (for use in other systems) Trap.NZ is provided by the passionate folk at Groundtruth Ltd with the amazing support of: Northland Regional Council Auckland Council Hawkes Bay Regional Council Taranaki Regional Council Predator Free Wellington Taranaki Mounga Project Project Janzoon Manaaki Whenua (Landcare Research) NEXT foundation Regional Council Biomanagers Group WWF

About

Sea

This app helps maritime organizations manage their crews, ensuring personnel are qualified, current, and rested. It provides real-time operational readiness, certification tracking, and duty management for both individual crew members and unit administrators.

Highlights
  • Real-time operational readiness tracking
  • Certification and qualification management
  • Live duty calendar with event management
  • Push notifications for callouts and requests
  • Crew slot claiming and confirmation
  • Safety briefing publication and acknowledgement tracking
Features
Read full description

Sea:Roster is the crew companion for safety-critical maritime teams - maritime operators, coastguard and rescue units, harbour operations, and any organisation where being ready isn't optional. The roster knows who's qualified, current, and rested - not just who's free, manages timesheets and dynamic crewing environments. Sea:Roster builds compliant crews, enforces certification currency, and shows live operational readiness. This app puts all of it in your crew's pockets. ON WATCH, FROM YOUR PHONE • Today at a glance - your next duty, unit readiness, certification status, and the latest safety briefing • A live calendar (agenda, grid, and month views) with vessel and event-type colours and crew-fill at a glance • Claim open slots, confirm or withdraw, and cover part of a duty with partial-attendance segments • Push notifications for callouts, confirmations, and crew requests - respond in a tap • Your profile: personal details, certifications with expiry warnings, and your time records FOR UNIT ADMINS • Run the calendar from anywhere - create and edit events, approve and decline requests, allocate crew • Manage crews and people: members, masters, qualifications, certifications, and vessel currency • Publish safety briefings and track acknowledgements • Live readiness numbers: active personnel and certification currency across the unit BUILT FOR THE FLOOR Sea:Roster is designed for the people on watch - fast, legible in sunlight and at night, and honest about what is confirmed, pending, or open. YOUR ORGANISATION'S ACCOUNT Sea:Roster is for crews of organisations using the Sea:Roster platform. Sign in with the account your organisation invited you with - there is no self-service sign-up in the app. To bring Sea:Roster to your operation, request a trial at www.searoster.com. Built for safety-critical teams.

Screenshots

Trap.nz4 screens
Sea4 screens

Verdict

The call

The clearest difference is update cadence: Sea at every 5 days against Trap.nz's every 3 weeks. On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Trap.nz ships an update every 3 weeks, Sea every 5 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
Trap.nz versus Sea: the parameters behind the verdict, then further details
ParameterTrap.nzSea
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews35.3% of reviews—
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.4 — better
Further details — not scored
Size43 MB70 MB
Age rating4+4+
DeveloperGroundtruth LimitedStorm Technology Ltd

Customer experience

Trap.nz

Written reviews17 reviews
Positive35.3%
Neutral0.0%
Negative64.7%

Sea

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Trap.nz

No in-app purchases

None

Sea

No in-app purchases

Questions

Is Trap.nz free?
Trap.nz is free to download, with no in-app purchases.
Is Sea free?
Sea is free to download, with no in-app purchases.
Do Trap.nz or Sea have ads?
Neither Trap.nz nor Sea shows ads.
Which is updated more often, Trap.nz or Sea?
Trap.nz ships an update every 3 weeks, and Sea every 5 days. Most recently, Trap.nz was updated on October 3, 2026 and Sea on October 6, 2026.

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