Comparison

iNaturalist vs MISIN Field Observer

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

Head to head
About

iNaturalist

Identify plants, animals, and fungi using your camera or imported photos. Get AI-powered species suggestions and connect with a global community of nature enthusiasts to learn more about the natural world and contribute to scientific conservation efforts.

Highlights
  • AI species identification
  • Record species observations
  • Contribute to scientific data
  • Explore biodiversity
  • Connect with nature enthusiasts
Currently charting
Read full description

Your photos of plants, animals, fungi, and more can help protect nature all around the world. iNaturalist is free, nonprofit, and community-powered. iNaturalist helps millions of people learn about and document the nature around them. Point your camera at plants, animals, and fungi to get instant identification suggestions, then share your photos or sound recordings as an "observation." Then, see your observation get reviewed by a global community of knowledgeable nature-lovers to turn it into a useful data point for science and conservation efforts. Your everyday moments of curiosity can directly contribute to protecting nature, and you don't need any previous experience or knowledge to get started. iNaturalist is a mission-driven nonprofit dedicated to connecting people to nature and advancing biodiversity science and conservation, and is freely available thanks to the generous support of our community. KEY FEATURES • Identify species from anywhere in the world • Contribute to science by sharing your observations • Keep a record of species you see • Explore and protect biodiversity • Connect with and learn from other nature enthusiasts

About

MISIN Field Observer

Contribute to invasive species detection by submitting field observation data. The app allows for offline data capture, including GPS, photos, and species identification. Your contributions help track threats and inform management decisions.

Highlights
  • Offline observation submission
  • Species catalog with photos and descriptions
  • Interactive species map
  • Personal report history
  • Invasive species identification quiz
  • Earn achievement badges
Features
Read full description

The MISIN smartphone app provides a mobile solution for the capture of invasive species field observation data. You can play an important role in the early detection and rapid response to new invasive threats in your area by contributing invasive species observations to the MISIN database. These data are then shared with an emerging network of database efforts for the tracking of invasive threats and are used by land managers to help make informed decisions regarding the management and impact of invasive species. Your data can be browsed through the MISIN website at: https://www.misin.msu.edu. Features • Submit observations offline. GPS, photos, species — queued locally, uploaded when online. - Sync queue. • See pending/failed uploads, retry or delete, get a results summary after sync. • Species catalog. Browse, search, and filter invasives; each species has photos, descriptions, and look-alikes. • Species map. Clustered observation map with layer switcher and year-range slider. • Nearby species. Ranked list of what's been reported near you, with radius and time sliders. • Quick capture. Shortlist your common species for one-tap reporting. • Dashboard. Alerts, daily summary, trending species, and location stats on one home screen. • My observations. Personal report history with verification-status badges. • Badges. Earn 16 server-managed badges for reporting, quizzing, and exploring. • Species quiz. Photo-based invasive ID quiz with progress tracking. The MISIN Invasive Species reporting smart phone application was developed by the Applied Spatial Ecology and Technical Services Laboratory at Michigan State University.

Screenshots

iNaturalist4 screens
MISIN Field Observer4 screens

Verdict

The call

The clearest difference is rating: MISIN Field Observer at 5.0 against iNaturalist's 4.1. iNaturalist's advantage is ratings volume (714 vs 3) and update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

MISIN Field Observer holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: iNaturalist has 714 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

iNaturalist ships an update fortnightly, MISIN Field Observer every 2 months. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 6 level
iNaturalist versus MISIN Field Observer: the parameters behind the verdict, then further details
ParameteriNaturalistMISIN Field Observer
PriceFreeFree
Rating4.1 (714 ratings)5.0 (3 ratings) — better
Positive reviews48.6% of reviews—
Number of ratings714 — better3
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#94 — better—
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS15.1 — better17.0
Further details — not scored
Size220 MB72 MB
Age rating4+4+
DeveloperiNaturalistApplied Spatial Ecology and Technical Services

Customer experience

iNaturalist

All ratings707 ratings
Positive72.7%
Neutral8.8%
Negative18.5%
Written reviews451 reviews
Positive48.6%
Neutral15.3%
Negative36.1%

MISIN Field Observer

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

iNaturalist

Reported bugs

5 issues
  • App freezes when suggesting IDs on audio clips
  • Inconsistent tap responsiveness in search menu
  • Observation time not accurately filling based on upload time
  • Map showing incorrect observation locations
  • Crashes and performance issues on some devices

Requested features

5 requests
  • Ability to type in address/coordinates for location
  • Option to add observations to projects during upload
  • Batch editing/uploading of observations
  • More precise search filters (e.g. aquatic, parasitic, migratory)
  • Bring back colored observation markers on map

MISIN Field Observer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iNaturalist

No in-app purchases

None

MISIN Field Observer

No in-app purchases

Questions

Is iNaturalist free?
iNaturalist is free to download, with no in-app purchases.
Is MISIN Field Observer free?
MISIN Field Observer is free to download, with no in-app purchases.
Which has better reviews, iNaturalist or MISIN Field Observer?
MISIN Field Observer is rated higher. iNaturalist averages 4.1 out of 5 from 714 ratings, while MISIN Field Observer averages 5.0 from 3 ratings.
Do iNaturalist or MISIN Field Observer have ads?
Neither iNaturalist nor MISIN Field Observer shows ads.
Which is updated more often, iNaturalist or MISIN Field Observer?
iNaturalist ships an update fortnightly, and MISIN Field Observer every 2 months. Most recently, iNaturalist was updated on October 27, 2026 and MISIN Field Observer on October 9, 2026.

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