Comparison

eOceans vs Convert PDF to EPUB

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

Head to head
About

eOceans

Manage environmental projects from anywhere with this all-in-one app. Collect standardized data in the field, collaborate with teams, and transform observations into instant insights without needing spreadsheets or coding skills. Scale your initiatives smarter and faster.

Highlights
  • Field data collection with GPS and timestamp
  • Standardized data logging for biodiversity, pollution, and more
  • Real-time maps, time series, and trend analysis
  • Secure team collaboration and data sharing
  • Project management without coding or GIS skills
  • Integration with global conservation priorities
Features
Read full description

Start your environmental project and manage it from anywhere—land or sea—with no spreadsheets, R code, or GIS skills required. Run your science, monitoring, or conservation project from your mobile device. Collect data, track change, engage teams, and power decisions—instantly. ALL-IN-ONE APP: Biodiversity + Pollution + Socio-economic and cultural values + Environment + Policy + Education COLLECT STANDARDIZED DATA IN THE FIELD • Record observations in real-time using your phone’s GPS and timestamp • Log efforts, species, pollution, conditions, events, or impacts in just a few taps • Use sampling methods from our catalogue • Add photos and field notes for added context and engagement COLLABORATE AND SHARE SECURELY • Collaborate with projects, teammates, volunteers, or communities by ‘joining’ or ‘following’ • Create and Download standardized data • Choose to ‘Broadcast’ your most important observations • Set roles and permissions to manage who gets access to your data • Control your data, your way—always TRANSFORM OBSERVATIONS INTO INSIGHTS • Get instant maps, time series, and trends of your effort and observations — no data wrangling needed • See what’s happening across ecosystems, projects, organisations, and more • View real-time data or summaries across regions and projects SCALE SMARTER, NOT HARDER • Use one app for all dimensions. • Align local data with global efforts priorities (SDGs, ESGs, blue carbon, etc.) • Expand projects without expanding workflows or effort • Keep all your field data organised, managed, clean, and ready to use anytime POWERED BY SCIENCE Built by scientists and practitioners, eOceans simplifies field data workflows—no spreadsheets, R coding, GIS, or extra tools required. It’s the app that lets anyone, anywhere, contribute to real-time science and decision-making. Whether you’re investing in conservation, in charge of a protected area, consulting on a development of restoration site, surveying a fishery, or engaging in citizen scientist, eOceans helps you build and run better projects—easier and faster. Because better data with timely insights leads to better decisions. Review from Liz F., Ocean Science Analytics “eOceans offers invaluable tools that we use for collaboration and seamless data collection-to-analysis, enabling unprecedented collaboration and insights. Review from Darren H., Ocean Explorer “I’m so happy to be able to contribute to monitoring by simply logging observations from my dives using the eOceans app.” ABOUT EOCEANS eOceans is a Canadian data science company founded and led by PhD scientists to support ethical, timely, and cost-efficient monitoring, research, and decision-making. The eOceans mobile app is designed to power any nature-based initiative—from community science to national- or international-scale programs. Whether you're tracking species, impacts, or trends, eOceans provides the tools to log, manage, and analyze data in real time using your phone’s date, time, and GPS. Built for field teams, scientists, fishers, and explorers, the app ensures data are standardized, secure, and immediately ready for collaboration or analysis—across projects, organisations, and geographies. Start your project today with the only platform built to scale environmental efforts from the ground up.

About

Convert PDF to EPUB

Features
Read full description

Easily convert your PDF documents to EPUB files with “Convert PDF to EPUB”, the perfect tool for anyone who enjoys reading on electronic devices or needs to adapt their text for digital reading. Our app converts PDFs to EPUB quickly and accurately, maintaining the highest quality, ideal for reading on tablets, eReaders, or smartphones. With “Convert PDF to EPUB”, you can import documents from your device or cloud and receive an EPUB file perfectly tailored to screen size, with flowing, adjustable text. Unlike PDF, EPUB automatically adapts to the eReader, improving the reading experience and easing navigation through chapters and sections. The app offers a simple, intuitive interface, allowing any user to convert files in seconds. It also supports large documents, images, and tables, keeping the original structure as intact as possible. Key Features: Fast and accurate PDF to EPUB conversion Clean, user-friendly design with no complicated steps Ability to convert multiple files consecutively Maintains text, image, and link formatting Automatic EPUB optimisation for smooth reading Supports local and cloud-stored documents

Screenshots

eOceans4 screens
Convert PDF to EPUB4 screens

Verdict

The call

The clearest difference is in-app purchases: eOceans at none against Convert PDF to EPUB's 1. eOceans also leads on update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement 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. Convert PDF to EPUB sells 1 one-off in-app purchase. eOceans asks for nothing beyond the download.

UpkeepUpdate frequency

eOceans ships an update weekly, Convert PDF to EPUB every 3 months. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 7 level
eOceans versus Convert PDF to EPUB: the parameters behind the verdict, then further details
ParametereOceansConvert PDF to EPUB
PriceFreeFree
Rating4.2 (5 ratings) — better—
Number of ratings5 — better—
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.0 — better
Further details — not scored
Size79 MB23 MB
Age rating4+4+
DevelopereOceans Research and Consulting Inc.Antonio Gonzalez de la aleja german

In-app purchases

None

eOceans

No in-app purchases

1 purchases

Convert PDF to EPUB

One-time1
  • Remove Ads$2.99

Questions

Is eOceans free?
eOceans is free to download, with no in-app purchases.
Is Convert PDF to EPUB free?
Convert PDF to EPUB is free to download, with in-app purchases available.
Do eOceans or Convert PDF to EPUB have ads?
Neither eOceans nor Convert PDF to EPUB shows ads.
Which is updated more often, eOceans or Convert PDF to EPUB?
eOceans ships an update weekly, and Convert PDF to EPUB every 3 months. Most recently, eOceans was updated on September 17, 2026 and Convert PDF to EPUB on September 11, 2026.

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