This free Android app turned my phone into a 35-tool measuring tool – and I tested everything


PhyPhox

Jack Wallen/ZDNET

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ZDNET key takeaways

  • This free app can level up your experiments.
  • Anything your phone sensors can pick up, this app can use.
  • Find out just how much information your phone can track.

I love getting my geek on, and I do so every day. But sometimes, I need access to scientific tools that are either way out of my price range or inaccessible.

The good news is that my Pixel 9 Pro smartphone includes several tools for such purposes. Those tools are the various sensors that the OS and the installed apps depend on. The sensors are used for a range of tasks, including sensing ambient light, recording steps taken, directions on maps, screen rotation, and much more.

Also: This hidden Pixel camera setting makes my photos absolutely pop – here’s how

Now, imagine if you could unlock the device’s scientific capability by accessing those sensors. By installing a single app, you would have access to the phone’s sensors for things like acceleration, acoustics, color and luminance, speed, mechanics, timers, inclination, and magnetism. 

Imagine the possibilities

Well, developers at Aachen University have done just that and created the open-source Android app, Phyphox (short for “physical phone experiments”). This free app can read information from your phone’s accelerometer, gyroscope, microphone, magnetometer, light sensor, and GPS. 

If your phone has a barometer, the app can access that capability as well. The app can read data in real time, analyze it, and even export the data to a file.

Also: I found a free Android app that makes deleting photos as easy as swiping left

For example, I wanted to know the incline of the stairs leading to my office loft. Thanks to Phyphox, I know that the incline is -32 degrees. I also wanted to test the audio spectrum in my office to find the peak frequency and found it to be 93.75 Hz. 

The current barometric pressure is 999.524 hPa. I could also measure distance using Sonar. And the luminance in my office is currently .177 (it’s really dark as I write this article). However, the luminance coming from my main monitor is 3.4.

PhyPhox

Need to know how bright a room is?

Screenshot by Jack Wallen/ZDNET

I also realized the app would allow me to record the Hue, Saturation, and Value of a color. Thanks to that information, I could find the exact color that I wanted to paint my walls in my new condo.

PhyPhox

Gotta paint my walls soon.

Screenshot by Jack Wallen/ZDNET

Looking for experiments 

Yeah, this app is fascinating on so many levels, and with it, there’s almost no end to the experimentation you can pull off. Want to measure the magnetron strength of your microwave? Phyphox can do that. 

After installing Phyphox, I found myself looking for experiments to undertake. For instance, I wanted to compare the strength of magnetic fields emanating from different devices, so I opened the Magnetometer, started the test, and held the phone up to various pieces of equipment. 

Also: Two new Android 16 security features protect you better – how to switch them on now

I wanted to see the differences between the three pickups in my Steinberger guitar. It came as no surprise that the neck and bridge pickups were far stronger than the center pickup.

PhyPhox

I thought I knew which pickups were the strongest, but now I know for sure.

Screenshot by Jack Wallen\ZDNET

In total, there are 35 different tests you can run with Phyphox. There are even four different stopwatches (acoustic, motion, optical, and proximity), which give you an amazing amount of flexibility. 

Also: This free Android launcher made my phone and tablet look like Windows 11 – here’s how

You can also open the Audio Spectrum tool to find the peak frequency, the musical note, and cents from the notes (a logarithmic unit of measure used for musical intervals).

An invaluable tool

To explain everything Phyphox can do would take hours because it offers so many capabilities, and using Phyphox is quite simple (so long as you know what a tool does and what you want to get out of it). 

If you’re into experimentation, you will love this app. I wasn’t so sure of its features after installation, but once I started using Phyphox, I found it so fascinating that I used it more and more.

If you enjoy scientific tools, want to experiment with various things, or tend to be curious about challenges that regular apps can’t satisfy, Phyphox is exactly what you want.

Also: How to clear your Android phone cache – the 30-second routine every user should be doing

Trust me when I tell you that you’ll find Phyphox to be an invaluable tool for not only your experimentation but for so much more. 

You can install this free, easy-to-use app from the Google Play Store. Even if you don’t use it for experimentation, it’s pretty amazing to see just how much data your phone can capture. That potential alone is worth the (free) price of entry.





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You’ve built your small business from the ground up. It’s your pride and joy, your financial security, and a potential legacy for your family. But what happens to your business interests after you’re gone? Without proper estate planning, your small business could face a chaotic future, disrupting operations, hurting employees, and jeopardizing your loved ones’ inheritance.

Business estate planning is your secret weapon. It’s not just for the ultra-wealthy with complex trusts and wills. For small business owners, it’s a crucial tool to ensure business continuity and protect your business value. Here’s how you can craft a comprehensive estate plan:

Know Your Business Inside and Out

The first step in your estate planning process is taking a deep dive into your business affairs. Make a list of all your business assets: equipment, inventory, intellectual property, and real estate.

Furthermore, don’t forget your business debts like loans and outstanding payments. This comprehensive list helps you understand what needs protecting and planning for in your estate planning documents.

Chart Your Business’s Future Course

What do you envision for your business after you’re gone? Should it stay in the family? Be sold to a trusted partner? Wind down entirely? This is where business succession planning comes in. It’s about deciding the future of your business in a way that honors your legacy and sets your team up for success.

Here are some questions to consider:

  • Family Business? Do you have a family member who shares your passion and has the skills to lead?
  • Trusted Partner? Is there a key employee you see as the ideal successor?
  • Time for a Change? Are you open to selling the business to ensure a smooth transition?

There’s no right or wrong answer. The key is to have open conversations with your loved ones and key employees to understand their goals and aspirations. This will guide you in crafting a business succession plan that feels right for everyone involved.

Develop a Rock-Solid Business Succession Plan

This plan outlines who will take over your business and how. You might identify a family member, a key employee, or even an outside buyer. The business succession plan should detail the transfer process, including training and timeline.

Here’s how to craft a plan as strong as your business itself:

  • Identify Your Successor: It could be a family member you’ve been mentoring, a trusted key employee, or even an outside buyer.
  • Groom Your Successor: Start by involving them in key decisions to give them opportunities to learn the ropes.
  • Plan for the Unexpected: Have a backup plan in place. Identifying another potential leader or outline a buy-out option for remaining partners.

An experienced estate planning attorney like Keele & Parke can help you draft a legally sound plan that considers state law and tax implications.

Avoid Conflict with Ironclad Sell Agreements

If you have co-owners, a sell agreement is vital. This agreement dictates what happens to a deceased or incapacitated owner’s share of the business. It prevents conflict among remaining partners and ensures a smooth ownership transition in your overall estate plan.

Wills vs. Trusts: Choosing the Right Tool

A will can designate who inherits your business assets. But the problem is it can be a slow and public process through probate court.

Here’s where a revocable living trust comes in. Think of it as a private vault that holds your business assets during your lifetime. You can name yourself as trustee, so you’re still in control.

Another thing, you can designate a successor trustee to seamlessly take over managing the business if you become disabled or pass away. This avoids probate and keeps things running smoothly for your loved ones and your employees.

Wills are still important for your overall estate plan, especially for personal assets outside the trust. But for your business, a revocable living trust offers flexibility, privacy, and peace of mind.

Minimize Estate Taxes Through Strategic Planning

Nobody wants a big chunk of their hard-earned business value going to the government after they’re gone. That’s where estate taxes come in, and they can be a real burden for your family. But don’t worry, there are smart estate planning strategies you can use to minimize the impact of these taxes.

  • Smart Business Structure: The legal entity you choose for your business can impact your estate taxes. Talk to your estate planning attorney about structuring your business as a limited liability company (LLC) or another entity that might offer tax advantages.
  • Explore Powerful Trusts: There are special types of trusts, like grantor retained annuity trusts (GRATs), that can be used to transfer ownership of your business interests to your heirs while minimizing the taxable value of those assets.

The right strategy for you will depend on your specific situation and goals. That’s why it’s crucial to work with an experienced estate planning attorney and financial advisor. They can help you create a personalized plan that minimizes your estate taxes and protects your legacy.

Don’t Neglect Your Personal Estate Plan

Your business is just one piece of the puzzle. You also need a personal estate plan that includes a will, power of attorney, and healthcare directives. Without it, your loved ones could face a legal mess during tough times. Bills might go unpaid, important decisions could be delayed, and family heirlooms could end up in the wrong hands.

An estate plan ensures your wishes are followed. It names guardians for your minor children, designates beneficiaries for your personal assets (like your home and savings), and appoints someone you trust to make healthcare decisions if you’re unable to. This gives your family peace of mind knowing they’re taken care of, even in your absence.

Life Insurance: A Lifeline for Your Loved Ones

A life insurance policy provides your beneficiaries with a lump sum of cash upon your death. This can be crucial for surviving family members or business partners, especially if they need to buy out another owner’s share through a sell agreement or pay estate taxes.

Regularly Review and Update Your Plan

Life circumstances change, and so should your estate plan. Regularly review your plan, especially after major life events like marriage, children, or changes in your business structure.

Seek Professional Guidance for a Comprehensive Plan

Business estate planning involves complex legal and financial considerations. Don’t try to go it alone. Consult with an experienced estate planning attorney specializing in business succession planning and a financial advisor with experience in small business matters. Their expertise can ensure your estate plan is comprehensive, legally sound, and achieves your goals for business continuity and protecting your loved ones.

Final Thoughts

Safeguarding your business is like protecting your family’s future. Take control. Schedule a consultation with an experienced estate planning attorney today. They’ll guide you through the process and ensure your legacy lives on.



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