XBRV! vs MindLabs STEM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XBRV!
Discover the Edward Lowe Foundation property by earning badges for visiting points of interest and trails. Non-visitors can engage through XP Challenges to virtually explore hidden gems. The app collects anonymous data to provide insights into property usage.
- Earn badges by visiting points of interest
- Explore trails and activity locations
- Engage with XP Challenges for virtual discovery
- Learn about property hidden gems
- Anonymous data transmission for property insights
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A fun way to learn about the Edward Lowe Foundation property, Experience BRV! is available for invited guests to earn badges as they visit our points of interest, activity locations and trails. For non-visitors, you can learn about the property through XP Challenges and exchange your earned XP to discover (virtually) more of the hidden gems about the property. Use of this app provides the foundation insight on property usage. Anonymous data is transmitted for foundation purposes only. The property is not open to the general public; being onsite and collecting badges is prohibited without an official invitation to be on property. To learn more about the foundation and to inquire about a tour please visit edwardlowe.org
MindLabs STEM
This app uses augmented reality to teach children ages 8+ core STEM concepts like energy, motion, and light. It combines digital challenges with physical cards for an interactive and research-based learning experience. Players can collaborate on designs in a creative mode.
- Augmented reality STEM learning
- Interactive challenges
- Collaborative CREATE mode
- Physical card integration
- Covers energy, motion, light, and more
- Suitable for ages 8+
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MindLabs STEM is a magical learning tool for children ages 8 and older that covers STEM topics such as Energy & Circuits; Force & Motion through Simple Machines; Light & Sound and more! MindLabs combines a digital app, physical cards, and augmented reality in a fun, exciting, and research-based approach to learning core science and engineering concepts. Children practice concepts in a carefully sequenced series of interactive challenges. In the collaborative CREATE mode, they can create unlimited designs while playing with teammates in the same or different locations. Designed for one to four players, this open-ended learning experience sparks a child's interest in science, engineering, and the world around them. The MindLabs STEM app is FREE, but you need the physical cards to play! Download and print sample cards to try a quick demo here: www.exploremindlabs.com This product has been supported by the National Science Foundation under Grant No. 1913637 and National Institutes of Health Grant No. R43GM134813.
Screenshots
Verdict
The clearest difference is update cadence: XBRV! at monthly against MindLabs STEM's every 2 months. On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for XBRV! against 5.0 for MindLabs STEM. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
XBRV! ships an update monthly, MindLabs STEM every 2 months. The most recent releases landed on September 22, 2026 and October 15, 2026 respectively.
| Parameter | XBRV! | MindLabs STEM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 547 MB | 549 MB |
| Age rating | 4+ | 4+ |
| Developer | Edward Lowe Foundation | Explore Interactive, Inc. |
Customer experience
XBRV!
MindLabs STEM
In-app purchases
XBRV!
No in-app purchases
MindLabs STEM
No in-app purchases









