The World Tree App vs ECO AI Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The World Tree App
This app helps writers organize creative ideas into a structured hierarchy. Categorize elements like characters, themes, and plot points with keywords for easy retrieval. Quickly capture and access your thoughts for seamless integration into your writing projects.
- Hierarchical idea organization
- Categorize characters, themes, plot
- Keyword-based storage and retrieval
- Quick idea jotting
- Explore tool for printing ideas
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The World Tree App is a powerful tool for writers to organize their thoughts and ideas into a structured hierarchy, inspired by Oswald Spengler’s concept of “World as History.” Categorize Characters, Themes, Plot, World Building, and References using related keywords for easy storage and retrieval. Quickly jot down ideas and effortlessly find them later. Use the explore tool to print the ideas you need, when you need them, for seamless integration into your drafts.
ECO AI Assistant
Analyze environmental data with AI. Upload photos or text to identify hazards like asbestos, verify eco-labels, classify waste, and detect pollution. Generate sustainability reports and calculate carbon footprints for informed ecological decisions.
- Asbestos detection from photos
- Eco-label verification
- Waste classification
- Pollution detection
- Carbon footprint calculation
- Sustainability report generation
- Environmental policy review
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ECO AI Assistant helps individuals, professionals, and organizations make informed environmental decisions using advanced AI technology. Upload photos or text to analyze buildings for asbestos, verify eco-labels, classify waste, detect pollution, or evaluate green construction practices. Use the text tools to review environmental policies, calculate carbon footprints, explore sustainable solutions, check ESG compliance, and generate sustainability reports. This non-commercial prototype is part of an initiative to support ecological recovery, starting with Ukraine and expanding globally. ECO AI Assistant is continuously improving to provide smarter, faster, and more accurate environmental insights.
Screenshots
Verdict
The clearest difference is rating: ECO AI Assistant at 5.0 against The World Tree App's 2.0. ECO AI Assistant also leads on update cadence (every 2 weeks vs every 14 months). The World Tree App's advantage is ratings volume (3 vs 1). 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.
ECO AI Assistant holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
The World Tree App ships an update every 14 months, ECO AI Assistant every 2 weeks. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.
| Parameter | The World Tree App | ECO AI Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 14 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Santos | Mykyta Popov |
Customer experience
The World Tree App
ECO AI Assistant
In-app purchases
The World Tree App
No in-app purchases
ECO AI Assistant
No in-app purchases
Questions
Is The World Tree App free?
Is ECO AI Assistant free?
Which has better reviews, The World Tree App or ECO AI Assistant?
Do The World Tree App or ECO AI Assistant have ads?
Which is updated more often, The World Tree App or ECO AI Assistant?
Other comparisons
