Comparison

ObsEnMer vs NaturaList

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

Head to head
About

ObsEnMer

Report marine animal sightings with this app. It's designed for boaters, professionals, and associations to contribute to citizen science programs. Help researchers understand marine life and climate change impacts.

Highlights
  • Report marine animal observations
  • Two involvement levels for boaters
  • Expert level for trained contributors
  • Species identification guide
  • Observation history
  • Species identification quizzes
  • Share observations on social media
Features
Read full description

OBSenMER vous permet de signaler vos observations d’animaux en mer. OBSenMER est une application à destination des plaisanciers, des professionnels et des associations, qui cherchent un moyen de signaler leurs observations de faune marine en mer. OBSenMER est gérée par le programme de Sciences Participatives du GECC et Cybelle Méditerranée. Cétacés, raies, requins, poissons pélagiques, tortues et méduses sont les groupes d’espèces étudiées par le programme. Des méthodes simples ne nécessitant aucune formation préalable vous sont proposées pour nous transmettre vos observations. Toutes ces informations sont ensuite centralisées et mises librement à disposition. Elles servent à mieux comprendre l’écologie des espèces étudiées et les impacts des changements globaux (ex. réchauffement climatique), et permettent d’agir pour la préservation des espèces emblématiques et protégées. Caractéristiques de l’application : -Deux niveaux d’implication pour la signalisation des observations pour les plaisanciers, -Un niveau expert réservé aux contributeurs formés, -Un guide d’identification pour reconnaître les espèces, -Un historique de vos observations, -Des quizz pour vous entraîner à les reconnaître et les connaître, -La possibilité de partager vos observations sur les réseaux sociaux. L'utilisation continue du GPS en arrière-plan peut réduire considérablement la durée de vie de la batterie.

About

NaturaList

Easily record nature sightings with detailed information and precise GPS locations. Contribute to conservation efforts and science by sharing your observations with a global network of partner databases. View recent sightings in your area and discover rare species.

Highlights
  • Record sightings with GPS
  • Contribute to nature conservation
  • View recent sightings nearby
  • Add photos to sightings
  • Multilingual interface
  • Supports many taxonomic groups
Read full description

NaturaList allows you to record your sightings easily and for free, directly in the field or later on. You can include all details you would record in your notebook – for your personal archives but also to contribute to nature conservation and science. No more time wasted copying your data once you get home, no observations forgotten, no uncertain locations: your sightings are located precisely thanks to maps and GPS. NaturaList is also easy to use with only one hand. Your data are securely stored in the portal https://data.biolovision.net, where you will always have access to your own data, and are then shared with a steadily increasing number of partner databases operated by nature conservation organizations around the world ( (e.g. https://www.ornitho.ch, https://www.ornitho.it, https://www.ornitho.de, https://www.faune-france.org, https://www.ornitho.at, https://www.ornitho.cat, https://www.fauna.hr, https://www.ornitho.pl, https://www.orchisauvage.fr, https://www.ornitho.eus, https://www.faune-guyane.org. Complete and up to date list available in the app or the web portal). Our partner https://www.ornitho.cat was awarded ”Best Citizen Science Award” in 2015 and the Catalan environment award “El Premi Medi Ambient de la Generalitat” in 2017. About 280'000 users, including many specialists of various taxonomic groups, already rely on our systems on several platforms, particularly in Europe. Additionally, you can also see what other users have recorded around you - common species or rarities. A small support fee is asked for this feature, to allow maintenance and additional development for this app. Your help is very welcome. Thanks. -Easy to use and ergonomic interface, optimized for field conditions. -Lots of taxonomic groups, including birds, mammals, butterflies, dragonflies, amphibians, reptiles, orchids and more. -Lots of map layers available, including national map depending of on country. -Add photos to your sightings. -Record public or private comments. -See the recent sightings in your immediate vicinity and rarities in the greater area. -Personalize language and sorting of species names. -Predefined species lists according to your geographical area or local database partner. -Personalize the GPS mode to save battery. -Multilingual interface (English, German, Italian, French, Spanish, Catalan, Basque, Polish, Croatian and Serbian). -The only app you need to record all of your naturalist sightings throughout Europe and the world. -NaturaList is recommended by the EBCC (European Bird Census Council) for use in connection with the EBBA2 (European Breeding Bird Atlas 2) project and by renowned institutes such as SOI, DDA, ICO, LIPU, OTOP, LPO, SFO, CSCF, ARANZADI Society of Sciences (complete list and links available on https://data.biolovision.net/). - NaturaList is an official partner of the Euro Bird Portal (EBP http://www.eurobirdportal.org/ebp/en/ ) This app was developed by Biolovision Sàrl with the financial support of the Swiss organizations ALA, Nos Oiseaux, Ficedula and the Swiss Ornithological Institute.

Screenshots

ObsEnMer4 screens
NaturaList4 screens

Verdict

The call

The clearest difference is in-app purchases: ObsEnMer at none against NaturaList's 3. ObsEnMer also leads on review sentiment (67% vs 32%). NaturaList's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (12.0 vs 14.0). On price, ads 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

Both are free to download. NaturaList sells 3 in-app purchases, starting at $2.49 per year. ObsEnMer asks for nothing beyond the download.

UpkeepUpdate frequency

ObsEnMer ships an update every 4 months, NaturaList every 2 months. The most recent releases landed on September 17, 2026 and June 10, 2026 respectively.

Scorecard5 real differences · 5 level
ObsEnMer versus NaturaList: the parameters behind the verdict, then further details
ParameterObsEnMerNaturaList
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews66.7% of reviews — better31.9% of reviews
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size185 MB39 MB
Age rating4+4+
DeveloperAltitude CherbourgBiolovision Sàrl

Customer experience

ObsEnMer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

NaturaList

Written reviews47 reviews
Positive31.9%
Neutral29.8%
Negative38.3%

In-app purchases

None

ObsEnMer

No in-app purchases

3 purchases

NaturaList

Subscriptions3
  • Basic subscription7 Days trial$2.491 Year
  • Follower subscription7 Days trial$4.491 Year
  • Big fan subscription7 Days trial$9.491 Year

Questions

Is ObsEnMer free?
ObsEnMer is free to download, with no in-app purchases.
Is NaturaList free?
NaturaList is free to download, with in-app purchases available.
Do ObsEnMer or NaturaList have ads?
Neither ObsEnMer nor NaturaList shows ads.
Which is updated more often, ObsEnMer or NaturaList?
ObsEnMer ships an update every 4 months, and NaturaList every 2 months. Most recently, ObsEnMer was updated on September 17, 2026 and NaturaList on June 10, 2026.

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