Texas Invaders vs Nature's Notebook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Texas Invaders
This program empowers citizen scientists to report invasive plant species observations using a specialized kit. It aims to build a geographical database of known and potentially invasive plants to track their arrival and dispersal.
- Species observation collection
- Invasive species reporting
- Geographical database
- Early detection and reporting kit
- Distributional information
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The Invaders of Texas Citizen Science program collects species observations from volunteer "citizen scientists" trained to use a specially developed Invasive Species Early Detection and Reporting Kit. With this kit, volunteers detect invaders' arrival and dispersal in their own local areas. The purpose of this database is to provide geographical locations and distributional information for known and "potentially" invasive plant species.
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.
- Record plant and animal life cycle events
- Mark observation sites
- Create species lists
- Log seasonal observations
- Citizen science program
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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.
Screenshots
Verdict
The clearest difference is rating: Texas Invaders at 3.9 against Nature's Notebook's 3.1. Texas Invaders also leads on review sentiment (60% vs 40%). Nature's Notebook's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (26 vs 7). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Texas Invaders holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 7 and 26 respectively. Written reviews point the same way: 60% of Texas Invaders's written reviews are positive against 40% of Nature's Notebook's.
Texas Invaders ships an update every 2 months, Nature's Notebook every 3 weeks. The most recent releases landed on September 18, 2026 and October 1, 2026 respectively.
| Parameter | Texas Invaders | Nature's Notebook |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 3.1 (26 ratings) |
| Positive reviews | 60.0% of reviews — better | 40.0% of reviews |
| Number of ratings | 7 | 26 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Charles T. Bargeron | National Phenology Network |
Customer experience
Texas Invaders
Nature's Notebook
In-app purchases
Texas Invaders
No in-app purchases
Nature's Notebook
No in-app purchases
Questions
Is Texas Invaders free?
Is Nature's Notebook free?
Which has better reviews, Texas Invaders or Nature's Notebook?
Do Texas Invaders or Nature's Notebook have ads?
Which is updated more often, Texas Invaders or Nature's Notebook?
Other comparisons
