Comparison

NDFF invoer vs Observation

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

Head to head
About

NDFF invoer

Features
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Tel mee! Online en offline uw waarnemingen in de natuur invoeren met GPS en offline-kaart, daarvoor gebruikt u deze app. Uw tablet of telefoon met GPS en WIFI zorgen dat de waarneming op de juiste plaats en tijd worden vastgelegd. Het is ook mogelijk zelf een plek op de kaart aan te wijzen of een andere datum/tijd te gebruiken. Bent u klaar met invoeren, dan kunt u uw waarnemingen uploaden naar uw waarnemersaccount in een NDFF-invoerportaal of www.telmee.nl. Heeft u nog geen account? Registreer je dan als waarnemer op www.telmee.nl. (http://telmee.nl/index.php?c=reg&m=add) of vraag uw NDFF-portaalbeheerder naar uw account. Heeft u veel waarnemingen of werkt u in opdracht van een NDFF-partner aan een natuurinventarisatie? Op de NDFF-portalen kunt u uw waarnemingen organiseren in mappen en delen met andere gebruikers. Zo houdt u controle op uw eigen waarnemingen. Met uw waarnemingen draagt u direct bij aan actuele verspreidingsinformatie in de Nationale Database Flora en Fauna (NDFF) en soortbescherming! Meer informatie? Ga naar www.telmee.nl.

About

Observation

Features
Read full description

With Observation you can easily record nature observations in the field. Our online image recognition AI helps you identify the species on your images. You can choose to use the app offline anywhere in the world. Your observation data is stored on your phone first. Saved observations can be uploaded to Observation.org when online. This app is part of Observation.org; an EU-based platform for world wide biodiversity monitoring and citizen science. Observations that you save in your account are publicly visible for everyone who visits Observation.org. Take a look at the website to see what other observers have recorded and explore all data collected by our community. Observations are validated by species experts, after which the records are made available for scientific research.

Screenshots

NDFF invoer4 screens
Observation4 screens

Verdict

The call

The clearest difference is update cadence: Observation at every 2 weeks against NDFF invoer's every 9 months. NDFF invoer's advantage is iOS requirement (10.0 vs 15.1). 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

NDFF invoer ships an update every 9 months, Observation every 2 weeks. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

Scorecard2 real differences ยท 4 level
NDFF invoer versus Observation: the parameters behind the verdict, then further details
ParameterNDFF invoerObservation
PriceFreeFree
Update frequencyEvery 9 monthsEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS10.0 โ€” better15.1
Further details โ€” not scored
Size18 MB80 MB
Age rating4+4+
DeveloperBIJ12Stichting Observation International

In-app purchases

None

NDFF invoer

No in-app purchases

None

Observation

No in-app purchases

Questions

Is NDFF invoer free?
NDFF invoer is free to download, with no in-app purchases.
Is Observation free?
Observation is free to download, with no in-app purchases.
Do NDFF invoer or Observation have ads?
Neither NDFF invoer nor Observation shows ads.
Which is updated more often, NDFF invoer or Observation?
NDFF invoer ships an update every 9 months, and Observation every 2 weeks. Most recently, NDFF invoer was updated on September 27, 2026 and Observation on October 10, 2026.

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