Physics Lab AR2.5.3 - App Store

Are you a curious student eager to explore deeper into the physics world?
Are you a science enthusiast who wants to share your ideas with others?
Are you an adventurer bounded by textbook instructions and budget limits?
Are you a romantic dreaming of having your own customized galaxy?
Are you a teacher who wants to use fun and interactive demonstrations in your physics lessons?

Learn science by doing experiments in your virtual lab with Physics Lab. With our new AR mode, you can even bring your experiments to life!

In Physics Lab, you can play with various circuit components, build your own 3D electric circuits, and see how they work in real time. With 100+ circuit components to choose from (and more coming soon), the possibilities are endless. Plus, all of our experiments are backed by science and calculated with precise numbers, so you can learn and have fun at the same time.

Physics Lab is not only for students, but for teachers too! Use it to demonstrate experiments in class, and help your students learn and explore in a new way. And because it's virtual, you don't have to worry about expensive lab equipment or safety concerns.

Explore with freedom
- Pick from 100+ circuit components (more coming!)
- Drag them from the toolbox to the virtual desk and connect them the way you like
- All experiment results are backed by science and calculated in precise numbers
- Design your own galaxy or load from our solar system
- Electromagnetic experiments with field line visualization

Better than real life
- Set properties of circuit components to different figures and observe changes of behavior and stats in real time
- One-click to turn what you have built into an editable circuit diagram and vice versa
- No expenses on lab equipments, no worry about safety issues

A lab for everyone
- Teachers have been using Physics Lab to demonstrate experiments and assist teaching in class
- Students, in primary or high schools, can learn science and explore freely anywhere, anytime
- Kids or not, curious minds now have their own virtual lab to learn knowledge by doing experiments

Whether you're a teacher, student, or just someone who loves learning about physics, Physics Lab has something for everyone. Connect with us and let us know what you think, and check out our subscription options to access even more experiments and components. We can't wait to see what you create!

Email: turtlesim@u.northwestern.edu

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Concerning Component Subscription
During your subscription period, you will have access to all paid components for free, including future ones.
1) Subscription periods are one month long and will be charged to your iTunes Account at the time of purchase.
2) Your subscription is linked to your Physics Lab account.
3) You will be charged for renewals 24 hours before the end of the current period, and will be notified of the cost.
4) You can manage your subscriptions at any time in your Account Settings.
5) By purchasing a subscription, you are agreeing to our Terms of Use and Privacy Policy.

Terms of Use: https://static.turtlesim.com/products/Term-Of-Use.txt
Privacy Policy: https://static.turtlesim.com/products/Privacy-Policy.txt

Version History This update largely comes from community member @MapMaths and @Arendelle.
If you want to participate in Physics Lab's development, please join our Forum.
1) New electromagnetics component: Uniform Electric Field.
2) Better visuals — refreshed magnet textures for a cleaner look.
3) Fixed the buzzer not working correctly.
4) Fixed the gravitational lens not showing up.
5) Fixed components keeping their old position and rotation after being deleted and reused.
6) Improved positioning so components stay within valid bounds.
7) More accurate timing for electrodynamics simulations.
8) Polished translations for multilingual users. 2.5.3 Aug 11 This update mainly comes from community member @Arendelle, @Jonathan Zhang, and @MapMaths.
If you want to participate in Physics Lab's development, please join our Web Forum.
1) Added keyboard-shortcut support to the experiment interface.
2) Fixed issues with importing and exporting experiments.
3) Fixed several text and translation issues. 2.5.2 07/09/2025 This update mainly comes from community member @Arendelle, @Jonathan Zhang, and @MapMaths.
If you want to participate in Physics Lab's development, please join our Web Forum.
1) Added keyboard-shortcut support to the experiment interface.
2) Fixed issues with importing and exporting experiments.
3) Fixed several text and translation issues. 2.5.1 05/18/2025 This update largely comes from community member @Arendelle.
If you want to participate in Physics Lab's development, please join our Web Forum.
1) Added full subtractor and half subtractor components.
2) The position and angle of components can be precisely adjusted in the component panel.
3) Electrical components can be locked by default in the settings, unaffected by gravity and collision.
4) Fixed some experimental and interface issues. 2.5.0 09/12/2024 1) Connect to Physics Lab's Forum with a single click!
2) Further lowered the chances of app crashing.
3) Fixed some issues during the simulations. 2.4.11 02/15/2024 Thank you all for your help in making the Physics Lab even better!
1) Fixed many interface issues reported by the community.
2) Fixed many simulation issues reported by the community.
3) Connect to Physics Lab's Forum with a single click!
4) Updated all support components. 2.4.10 02/09/2024 Thank you all for your help in making the Physics Lab even better!
1) Fixed many interface issues reported by the community.
2) Fixed many simulation issues reported by the community.
3) Connect to Physics Lab's Forum with a single click!
4) Updated all support components. 2.4.9 02/05/2024 Thank you all for your help in making the Physics Lab even better!
1) Fixed many interface issues reported by the community.
2) Fixed many simulation issues reported by the community.
3) Connect to Physics Lab's Forum with a single click!
4) Updated all support components. 2.4.8 02/01/2024 Thank you all for your help in making the Physics Lab even better!
1) Added a new current source component.
2) Added ideal modes for capacitors and inductors.
3) Renamed the T flip-flop to T' flip-flop and implemented the correct T flip-flop. @Goodenough
4) Added single-trigger options, chord mode, and ideal mode for simple instruments.
5) Fixed various interface and experimental issues reported. 2.4.7 10/04/2023 Thanks for everyone's help in making Physics Lab better!
1) Improved the support for the Markdown format.
2) Improved the MIDI sound effects.
3) Fixed many reported interface issues. 2.4.6 04/25/2023 Thanks for everyone's help in making Physics Lab better!
1) Greatly optimized the efficiency of complex circuits! More optimizations (Beta) can be enabled in the settings for further improvements.
2) Celestial bodies can now be displayed in real-world sizes.
3) Improved the tutorial for the celestial mechanics.
4) Fixed many reported interface and simulation issues. 2.4.5 03/02/2023 Thanks for everyone's help in making Physics Lab better! In this holiday season, we are making one more sensor free - just try it out!
1) Added a new component: 8-bit Input.
2) Fixed some issues related to the interface. 2.4.4 12/09/2022 Use the all-new plotting features to visualize your experimental data!
Fixed issues kindly reported by our users.
Please try out our Issue Tracker as well 2.4.3 11/11/2022 Use the Celestial Explorer (TM) to manage your real or fictionary celestial systems!
Fixed issues kindly reported by our users.
Please try out our Issue Tracker as well! 2.4.2 09/27/2022 Use the Celestial Explorer (TM) to manage your real or fictionary celestial systems!
1) Overhauled the Celestial Mechanics mode, added precision, fixed many long-standing issues;
2) Celestial Explorer (TM) to manage your celestial system, and Celestial Settings to customize how your system works;
3) Optimized the performance for complicated Circuits;
4) Other community features like Blocking other users. 2.4.1 09/02/2022 Use your phone or tablet sensors in physics experiments!
1) Sensors: Light, acceleration, attitude, proximity - 10 new components in total!
2) New 8-bit display component that supports decimal, binary, hexadecimal, and ASCII formats.
3) Fixed many simulation and interface issues based on user feedback.
Any questions? Contact turtlesim@u.northwestern.edu 2.4.0 07/31/2022 1) Fixed many reported issues related to circuits.
2) Fixed many reported issues related to circuit diagrams.
3) Fixed several reported issues about the simulation and the interface.
Any questions? Contact turtlesim@u.northwestern.edu 2.3.4 07/17/2022 1) New component: Simple MIDI Instrument!
2) Improved the diagram mode.
3) Fixed several reported issues about the simulation and the interface.
Any questions? Contact turtlesim@u.northwestern.edu 2.3.3 02/11/2022 Fixed several reported issues about the simulation and the interface.
Any questions? Contact turtlesim@u.northwestern.edu 2.3.2 12/13/2021 1) Greatly optimized the performance of circuits simulation!
2) Added some features based on community feedback.
3) Fixed some reported issues.
Any questions? Contact turtlesim@u.northwestern.edu 2.3.1 10/24/2021 1) Greatly optimized battery performance!
2) The app will be more smooth in certain scenarios.
3) Optimized some details about the Dark Mode.
4) Fixed some reported bugs.
Any questions? Contact turtlesim@u.northwestern.edu 2.3.0 10/17/2021 1) All-new dark mode (enable it in options)!
2) Fixed some issues about the interface.
3) Fixed some issues about circuit experiments.
Any questions? Contact turtlesim@u.northwestern.edu 2.2.9 09/11/2021 Fixed an issue that prevents you from sign-in through Facebook. 2.2.8 07/22/2021 Some bugfixes and stability updates!
1) When leaving an experiment, the app will prompt you to save.
2) Fixed an issue where you cannot save experiments locally.
3) Optimized the networking performance. 2.2.7 05/09/2021 Some bugfixes and stability updates!
1) When leaving an experiment, the app will prompt you to save.
2) Fixed an issue where you cannot save experiments locally.
3) Optimized the networking performance. 2.2.6 05/05/2021