Comparison

EDDMapS vs E

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

Head to head
About

EDDMapS

Document and map the distribution of invasive species with this user-friendly system. It allows for easy data submission, visualization, and querying, aiding in early detection and rapid response efforts. All data is reviewed by experts for accuracy.

Highlights
  • Document invasive species distribution
  • User-friendly mapping system
  • Data submission and querying
  • Interactive maps
  • Expert data verification
  • Early Detection and Rapid Response support
Features
Read full description

EDDMapS is a mapping system for documenting invasive species distribution. It is fast, easy to use, and doesn't require Geographic Information Systems experience. Launched in 2005 by the Center for Invasive Species and Ecosystem Health at the University of Georgia, it was originally designed as a tool for state Exotic Pest Plant Councils to develop more complete distribution data of invasive species. EDDMapS goal is to maximize the effectiveness and accessibility of the immense numbers of invasive species observations recorded each year. Why do we care? An invasive species is when a nonnative species causes or is likely to cause economic, environmental harm, or harm to human health. Invasive species negatively impact agriculture, recreation, natural ecosystems, biodiversity, and more. The first step is prevention of nonnative introduction. The second step is to map where the invasive species are found in the introduced area. How does it work? EDDMapS is a platform to document, display, and query the presence of invasive species. A simple, interactive Web interface engages participants to submit their observations or view results through interactive queries into the EDDMapS database. EDDMapS encourages users to participate by providing Internet tools that maintain their personal records and enable them to visualize data with interactive maps. Users simply enter information from their observations into the standardized reporting form, which allows specific information about the infestation and images to be added. Uploaded data entered is immediately loaded to the database for verification. Once data is reviewed as correct by an expert, it is available for viewing and download. Being able to see the current data of a species as it moves into a new area helps to facilitate Early Detection and Rapid Response programs (EDRR). EDRR programs help stop or control an invasive species before it becomes an unmanageable problem. All data is reviewed by expert verifiers to ensure all data is accurate prior to public availability. The data is freely available to everyone including scientists, researchers, land managers, land owners, educators, conservationists, ecologists, farmers, foresters, state, and national parks.

About

E

Read full description

E-Write NFC is a configuration tool used for the purpose of configuring NFC-enabled Axiomatic controllers; valve drivers, signal converters, and others. E-Write NFC tool is a means of allowing users to configure NFC-enabled Axiomatic controllers to suit their application. Parameters such as Input Type, Output Type, Output Min/Max Range can all be adjusted using the E-Write NFC. View more at Axiomatic.com

Screenshots

EDDMapS4 screens
E4 screens

Verdict

The call

The clearest difference is price: EDDMapS at Free against E's $49.99. EDDMapS also leads on update cadence (monthly vs every 11 months). E's advantage is iOS requirement (15.6 vs 18.6). On 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

CostPrice · In-app purchases · Ads · Monetization

EDDMapS is free to download; E costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

EDDMapS ships an update monthly, E every 11 months. The most recent releases landed on September 25, 2026 and August 28, 2026 respectively.

Scorecard3 real differences · 7 level
EDDMapS versus E: the parameters behind the verdict, then further details
ParameterEDDMapSE
PriceFree — better$49.99
Rating4.7 (120 ratings) — better—
Positive reviews57.1% of reviews—
Number of ratings120 — better—
Update frequencyMonthly — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.615.6 — better
Further details — not scored
Size251 MB26 MB
Age rating4+4+
DeveloperCharles T. BargeronAxiomatic Technologies Corporation

In-app purchases

None

EDDMapS

No in-app purchases

None

E

No in-app purchases

Questions

Is EDDMapS free?
EDDMapS is free to download, with no in-app purchases.
Is E free?
E costs $49.99, with no in-app purchases.
Do EDDMapS or E have ads?
Neither EDDMapS nor E shows ads.
Which is updated more often, EDDMapS or E?
EDDMapS ships an update monthly, and E every 11 months. Most recently, EDDMapS was updated on September 25, 2026 and E on August 28, 2026.

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