WWF Free Rivers vs Assemblr EDU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WWF Free Rivers
Explore the vital role of rivers in ecosystems and human life through an interactive augmented reality experience. Manipulate river flows to understand the impact of dams and sustainable development, while collecting stories of the people and wildlife that depend on them.
- Interactive augmented reality river model
- Simulate damming and sustainable development
- Explore five distinct real-world habitats
- Collect stories of people and wildlife
- Learn about river threats and opportunities
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WWF Free Rivers puts an entire landscape in your hands. Through this immersive, augmented reality experience, you’ll discover a river that flows through the lives of people and wildlife, and how their homes depend on those flows. Dam the river to see what happens, and then try different options for sustainable development that keeps the river healthy and flowing. Collect stories of people and animals along the way! Features • In-depth, educational storytelling experience for environmental science • Stunning, animated, augmented reality model users can interact with and learn from • Five distinct habitats based on real places: the Himalayan mountains, tropical jungles, African savannah, South American grasslands, and Southeast Asian deltas. • Opportunity to get involved and help protect rivers, and the people and wildlife that depend on them • An augmented reality map of the world’s rivers—and some of the biggest threats and opportunities they face.
Assemblr EDU
This platform empowers educators and students with interactive 3D and AR learning experiences. Access ready-made lessons, utilize extensive 3D teaching aids, and create custom projects with an easy drag-and-drop editor. Facilitate virtual classes and bring student creations to life in augmented reality.
- Hundreds of ready-to-use 3D/AR topics
- 6,000+ animated 3D teaching aids
- Drag-and-drop 3D/AR project editor
- Augmented reality project presentations
- Virtual class setup and connection
- Compatible with all devices
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Assemblr EDU is the one-stop platform for teachers and students to bring fun & interactive 3D/AR learning. Whenever and wherever it is, we believe learning should always be engaging. Here's the #NextLevelEDUcation—both for teachers and students! • Find hundreds of ready-to-use Topics From kindergarten to senior high school grades, you can easily find premade interactive presentation slides—enhanced with 3D visualizations. Get your class preparation done faster & easier for all subjects! • Make use of 6,000+ 3D teaching aids on Edu Kits With Edu Kits, you can bring the complex, abstract concepts closer to your students. View interactive and engaging 3D teaching aids in various subjects, looking real and lively! Psst... They're also animated • Get creative on 3D/AR Editor Need any ideas to hone students' creativity? Let them create their own 3D/AR projects, as easy as drag-and-drop! Use thousands of 2D & 3D assets and elements, so it's easy for students to start creating. • Enliven projects in AR experiences Finished creating the projects? It's presentation time! Invite your students to present their works in front of the classroom, and get ready to bring their projects to life. • Stay connected in Class Set up virtual classes for you and students, and get easily connected virtually. Share works, find lessons, and see what’s going on in one space. Learning goes beyond the walls! SUITABLE FOR ALL SUBJECTS Science, Biology, Physics, Chemistry, Math, STEM, History, Geography, English, Physical Education, and more COMPATIBLE ON ALL DEVICES • PC (browser-based) • Laptop (browser-based) • Tablets (mobile app & browser-based) • Smartphones (mobile app & browser-based) For customer service assistance, send an e-mail to edu@assemblrworld.com, or you can find us on the following platforms. Any topic ideas or feature suggestions are welcomed: Website: edu.assemblrworld.com Instagram: @assemblredu & @assemblredu.id Twitter: @assemblrworld YouTube: youtube.com/c/AssemblrWorld Facebook: facebook.com/assemblrworld Community: facebook.com/groups/assemblrworld/
Screenshots
Verdict
The clearest difference is review sentiment: Assemblr EDU at 100% against WWF Free Rivers's 31%. Assemblr EDU also leads on rating (4.2 vs 3.6) and update cadence (every 2 weeks vs every 2 months). WWF Free Rivers's advantage is in-app purchases (none vs 10) and ratings volume (151 vs 5). On price, ads 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
Both are free to download. Assemblr EDU sells 10 in-app purchases, starting at $4.99 per month. WWF Free Rivers asks for nothing beyond the download.
Assemblr EDU holds the better App Store score, 4.2 against 3.6. That said, the two scores are not equally well evidenced: WWF Free Rivers has 151 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 31% of WWF Free Rivers's written reviews are positive against 100% of Assemblr EDU's.
WWF Free Rivers ships an update every 2 months, Assemblr EDU every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | WWF Free Rivers | Assemblr EDU |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (151 ratings) | 4.2 (5 ratings) — better |
| Positive reviews | 31.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 151 — better | 5 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.3 — better | 15.6 |
| Further details — not scored | ||
| Size | 430 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | World Wildlife Fund | Assemblr |
Customer experience
WWF Free Rivers
Assemblr EDU
Bugs and requests
WWF Free Rivers
Reported bugs
13 issues- App crashes immediately after launch or during intro
- Black screen or freezing on opening screen
- Camera fails to detect flat surfaces even in well-lit areas
- AR map jumps and moves erratically during use
- App becomes unresponsive after initial loading screen
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- Sketchy cross appears on screen preventing progression
- App closes after first narrative segment
- Camera permission dialog not appearing properly
- Loading screen hangs indefinitely
- Incompatibility with iPad Air 2 and older iPad models
- Device overheating causing performance issues
- AR objects fail to render or appear as blue dots only
- App locks up device requiring force restart
Requested features
12 requests- Non-AR version with traditional touch controls (pan, pinch, zoom)
- Ability to build and destroy dams to see real-time effects
- More interactive gameplay and user agency
- Additional landscapes and environments to explore
- Animated creatures with more natural behaviors
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- Ability to reposition the AR table without restarting
- Device rotation support during gameplay
- Larger, more readable font sizes
- Multiple language support
- Underground/cave system exploration
- More content and longer storytelling experience
- Multiplayer or competitive elements
Assemblr EDU
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WWF Free Rivers
No in-app purchases
Assemblr EDU
- Individual Plan 1 Month$4.991 Month
- Group Plan (3 Seats)$4.991 Month
- Single Monthly$8.001 Month
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- CREATOR EDU MONTHLY (+350 BLR)$8.991 Month
- CREATOR EDU MONTHLY (+350 BLR)$20.001 Month
- CREATOR EDU MONTHLY (+350 BLR)$250.001 Month
- 500 BLR Coins$14.49
- 1000 BLR Coins$28.49
- 1500 BLR Coins$42.90
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- 2000 BLR Coins$57.00
Questions
Is WWF Free Rivers free?
Is Assemblr EDU free?
Which has better reviews, WWF Free Rivers or Assemblr EDU?
Do WWF Free Rivers or Assemblr EDU have ads?
Which is updated more often, WWF Free Rivers or Assemblr EDU?
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