Comparison

Nature's Notebook vs Infrared Explorer

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

Head to head
About

Nature's Notebook

Record observations of plant and animal life cycles, such as flowering and migration. Mark observation sites, create species lists, and log seasonal changes in nature.

Highlights
  • Record plant and animal life cycle events
  • Mark observation sites
  • Create species lists
  • Log seasonal observations
  • Citizen science program
Read full description

Nature's Notebook is a program for observing and recording plant and animal life cycle events, like flowering and bird migration. Use this app to mark your sites, create a list of plants and animals, and going into the field to record observations throughout the seasons. Find out more at www.usanpn.org/nn/guidelines.

About

Infrared Explorer

Read full description

Infrared Explorer turns a phone with a FLIR ONE thermal camera into a science instrument for the classroom, the lab and the field. SEE HEAT Point the camera at anything and watch temperature become color, live. Switch palettes, lock or free the temperature range, and read the value under the crosshair. RECORD AND ANALYZE Capture thermal clips that keep the temperature of every pixel, then play them back with thermometers and analysis tools. Compare a kettle coming to the boil, a running motor, or the wall of your school on a cold morning. TIME-LAPSE Leave the camera watching for up to 24 hours: one thermal frame every few seconds or minutes, played back as a film. With a wired FLIR ONE, the recording carries on with the phone locked, and a Live Activity on the lock screen shows its progress. LEARN WITH REAL DATA Lessons and a Showcase of experiments from other classrooms give you something to try today. A Video Store of sample recordings works without any camera attached. MAP THE INVISIBLE Infrared Street View captures panoramas with their temperatures, geotags them and shares them on a map with other explorers. GO FURTHER Sign in to upload recordings to the cloud, join a class, and have an AI model draft a lab report from your own data. Requires a FLIR ONE thermal camera: FLIR ONE Gen 3, Pro or Pro LT with the connector that matches your iPhone, or a FLIR ONE Edge / Edge Pro over Wi-Fi. Without a camera, the sample recordings and the built-in simulator let you explore every feature. Infrared Explorer is made by the Institute for Future Intelligence, a nonprofit. It is free, with no ads and no in-app purchases.

Screenshots

Nature's Notebook4 screens
Infrared Explorer4 screens

Verdict

The call

The clearest difference is update cadence: Infrared Explorer at daily against Nature's Notebook's every 3 weeks. Nature's Notebook's advantage is iOS requirement (12.0 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

Nature's Notebook ships an update every 3 weeks, Infrared Explorer daily. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Nature's Notebook versus Infrared Explorer: the parameters behind the verdict, then further details
ParameterNature's NotebookInfrared Explorer
PriceFreeFree
Rating3.2 (27 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings27 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size47 MB141 MB
Age rating4+4+
DeveloperNational Phenology NetworkInstitute for Future Intelligence

In-app purchases

None

Nature's Notebook

No in-app purchases

None

Infrared Explorer

No in-app purchases

Questions

Is Nature's Notebook free?
Nature's Notebook is free to download, with no in-app purchases.
Is Infrared Explorer free?
Infrared Explorer is free to download, with no in-app purchases.
Do Nature's Notebook or Infrared Explorer have ads?
Neither Nature's Notebook nor Infrared Explorer shows ads.
Which is updated more often, Nature's Notebook or Infrared Explorer?
Nature's Notebook ships an update every 3 weeks, and Infrared Explorer daily. Most recently, Nature's Notebook was updated on October 24, 2026 and Infrared Explorer on October 24, 2026.

Other comparisons