Lab4U vs Circles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lab4U
This app transforms your device into a scientific tool for hands-on biology, physics, and chemistry experiments. Explore real-time data using your phone's sensors to learn and teach science in an engaging, inquiry-based manner.
- Real-time sensor experiments
- Biology, physics, and chemistry labs
- Inquiry-Based Learning methodology
- Curriculum-aligned content
- Scientific thinking development
- Device camera, microphone, and motion sensor integration
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Lab4U is an educational app that allows you to experiment with biology, physics and chemistry in a fun and easy way, transforming the way science is learned and taught. With Lab4U you will experiment in real time using the different sensors of your device, such as the camera, microphone, motion sensor, and others, turning your phone into a powerful scientific tool. Through our Inquiry-Based Learning, with Lab4U you will explore and analyze images of nature with Lab4Biology experiments, determine the color and concentration of chemical reactions with Lab4Chemistry experiences, and analyze the force and acceleration of a moving object with the experimentation activities offered by Lab4Physics. Find each of these contents in the Labs section of the app. Tools and experiments at Lab4U are aligned to the educational curriculum and thus carry out incredible, entertaining and deep learning experiences that will enhance the development of scientific thinking, preparing the talents that the 21st century requires. We invite you to download the new Lab4U app and experiment with us!
Circles
This app transforms online learning into a social experience by allowing users to create study groups. Connect with classmates via chat and video, share resources, and schedule meetups to support each other's academic goals and achieve better learning outcomes.
- Create study circles up to 5 members
- In-app chat and video calls
- Resource sharing
- Study session scheduling
- Learning goal support
- Activity reminders
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Circles aims to transform online learning from a solitary experience to a social one. Create your own study circle with up to five classmates, support each other's learning goals, and manage your group with our self-administered features. Use chat and video calls to connect with your circle, share resources, and find common meet-up times. In addition, our activities feature sends you reminders to keep you on track. Get ready to learn better, together, with Circles. - Find New Friends: Begin your journey with Circles by discovering like-minded classmates and forming your study circle. - Create Your Study Circle: Handpick up to five classmates with compatible learning styles and schedules to enrich your learning experience. - Find Support and Inspiration: Engage with your circle to unlock peer-to-peer knowledge exchange and mutual academic growth. - Organize Your Study Sessions: Utilize our scheduling feature to manage effective and focused study sessions within your circle. - Achieve Better Learning Outcomes: Experience improved understanding and academic performance through the collaborative learning environment of Circles.
Screenshots
Verdict
The clearest difference is review sentiment: Circles at 88% against Lab4U's 36%. Circles also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 4). Lab4U's advantage is ratings volume (10 vs 1) and device support (3 vs 1). On price, update cadence 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. Lab4U sells 4 one-off in-app purchases. Circles asks for nothing beyond the download.
Circles holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Lab4U has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 36% of Lab4U's written reviews are positive against 88% of Circles's.
Lab4U ships an update fortnightly, Circles every 2 weeks. The most recent releases landed on August 15, 2026 and September 23, 2026 respectively.
| Parameter | Lab4U | Circles |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 36.4% of reviews | 88.2% of reviews — better |
| Number of ratings | 10 — better | 1 |
| Update frequency | Fortnightly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 104 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Lab4U, Inc. | ED4.ONE SpA |
Customer experience
Lab4U
Circles
In-app purchases
Lab4U
- Lab4physics TrialFree
- Lab4U TrialFree
- Lab4Physics Premium$45.99
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- Lab4U Premium$45.99
Circles
No in-app purchases









