Comparison

TreeSnap vs Monarch Watch

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

Head to head
About

TreeSnap

Contribute to vital tree research by identifying and tagging healthy trees in your area. Your data helps scientists study genetic diversity and develop better tree breeding programs to combat invasive diseases and pests.

Highlights
  • Identify and tag trees
  • Contribute to scientific research
  • Support forest health initiatives
  • Locate trees for genetic studies
  • Aid tree breeding programs
Features
Read full description

Help Our Nation’s Trees! Invasive diseases and pests threaten the health of America’s forests. Scientists are working to understand what allows some individual trees to survive, but they need to find healthy, resilient trees in the forest to study. That’s where concerned foresters, landowners, and citizens (you!) can help. Tag trees you find in your community, on your property, or out in the wild using TreeSnap! Scientists will use the data you collect to locate trees for research projects like studying the genetic diversity of tree species and building better tree breeding programs.

About

Monarch Watch

Contribute to citizen science by tracking monarch butterflies. Log tagging, recovery, and calendar data with automatic image capture and field data import. Save data offline for later submission.

Highlights
  • Monarch tagging data submission
  • Recovery and calendar data logging
  • Automatic tag image capture
  • Streamlined data entry
  • Offline data saving
  • Educational materials
Features
Read full description

Participate in Monarch Watch community science projects and submit your monarch tagging, recovery and calendar data! Capture images of tags and automatically import codes for streamlined data entry. Easily import location, date, weather and other information then instantly submit data in the field. If no network connection is available, data may be saved and submitted later. All data from tagging, recovery, and calendar projects are saved on your device, giving you a record of what you have submitted. Detailed tagging instruction is provided as well as other educational materials and activities.

Screenshots

TreeSnap4 screens
Monarch Watch4 screens

Verdict

The call

TreeSnap and Monarch Watch are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 4.6 for TreeSnap against 4.7 for Monarch Watch. Both are backed by a comparable volume of ratings — 19 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

TreeSnap ships an update every 3 weeks, Monarch Watch monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

ScorecardNo meaningful differences
TreeSnap versus Monarch Watch: the parameters behind the verdict, then further details
ParameterTreeSnapMonarch Watch
PriceFreeFree
Rating4.6 (19 ratings)4.7 (7 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings19 — better7
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size134 MB86 MB
Age rating4+4+
DeveloperUniversity of TennesseeThe University of Kansas

Customer experience

TreeSnap

All ratings19 ratings
Positive89.5%
Neutral0.0%
Negative10.5%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Monarch Watch

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

TreeSnap

No in-app purchases

None

Monarch Watch

No in-app purchases

Questions

Is TreeSnap free?
TreeSnap is free to download, with no in-app purchases.
Is Monarch Watch free?
Monarch Watch is free to download, with no in-app purchases.
Which has better reviews, TreeSnap or Monarch Watch?
Monarch Watch is rated higher. TreeSnap averages 4.6 out of 5 from 19 ratings, while Monarch Watch averages 4.7 from 7 ratings.
Do TreeSnap or Monarch Watch have ads?
Neither TreeSnap nor Monarch Watch shows ads.
Which is updated more often, TreeSnap or Monarch Watch?
TreeSnap ships an update every 3 weeks, and Monarch Watch monthly. Most recently, TreeSnap was updated on October 24, 2026 and Monarch Watch on October 23, 2026.

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