Comparison

iObs vs NDFF invoer

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

Head to head
About

iObs

Record and submit observations of wildlife, including birds, mammals, and plants, directly from the field. Utilize real-time location and time, with offline capabilities. Upload your data to participating online portals when connected.

Highlights
  • Record observations in the field
  • Use current time and location
  • Offline mode available
  • Upload data to online portals
  • Supports birds, mammals, plants, etc.
Features
Read full description

iObs is an application that can be used worldwide for entering and uploading observations of birds, mammals, plants, etc. directly from the field. You can use current time and location. You can use the app in off-line mode. When on-line, you can upload all data to your personal account on participating portal sites. Currently these are waarneming.nl, waarnemingen.be and observation.org.

About

NDFF invoer

Features
Read full description

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.

Screenshots

iObs4 screens
NDFF invoer4 screens

Verdict

The call

The clearest difference is update cadence: iObs at monthly 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 · 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

iObs ships an update monthly, NDFF invoer every 9 months. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
iObs versus NDFF invoer: the parameters behind the verdict, then further details
ParameteriObsNDFF invoer
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings3 — better—
Update frequencyMonthly — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.110.0 — better
Further details — not scored
Size13 MB18 MB
Age rating4+4+
DeveloperObservation InternationalBIJ12

In-app purchases

None

iObs

No in-app purchases

None

NDFF invoer

No in-app purchases

Questions

Is iObs free?
iObs is free to download, with no in-app purchases.
Is NDFF invoer free?
NDFF invoer is free to download, with no in-app purchases.
Do iObs or NDFF invoer have ads?
Neither iObs nor NDFF invoer shows ads.
Which is updated more often, iObs or NDFF invoer?
iObs ships an update monthly, and NDFF invoer every 9 months. Most recently, iObs was updated on October 23, 2026 and NDFF invoer on October 13, 2026.

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