Google Play private apps let families share tools without fees

Google Play private apps are personal Android apps that you build in Google AI Studio and install from a hidden part of the Play Store. They never show up in public search results or recommendations. Here is the basic flow:

1. Describe it. Open Google AI Studio and type a prompt explaining what you want. Gemini, Google’s AI model, writes the app.
2. Refine it. While the app is being built, AI Studio suggests features you may have missed. You can make light edits afterward, keep prompting for changes, edit the generated code directly, or scrap it and start over.
3. Install it. One click sends the app to a new personal library in Google Play, where it installs on your phone, tablet or any other device with Play Store access.

Building and experimenting costs nothing. Before this, AI Studio’s app builder was aimed at professional developer accounts and needed a phone plugged into a computer with USB debugging turned on, a technical setup most people never touch.

Not quite yet. At launch, apps you build are available only on your own devices. Google says it plans to let you share them securely with friends and family later, but it has not given a date.

That is the feature families will care about most, and Google’s own demo shows why. Sam Bright, who runs Google Play and its developer ecosystem, showed off an app he made for his kids’ local sports team. It works out what each of 15 families owes for pizza after games, umpires and team jerseys. Once sharing arrives, a parent could build that kind of tool once and pass it to everyone on the team without anyone paying for an app.

If an app turns out to be useful to the wider world, Google says you can graduate to a professional developer account and submit it for the Play Store’s normal safety review and public listing.

The fee being dropped is small but real. Google normally charges $25 once for a developer account, and Apple charges $99 a year. Both companies review new submissions before they go public. Private apps skip both the fee and the public listing.

Apple has gone the other way this year. Submissions to its App Store jumped 84% in a single quarter as vibe coding, building apps by chatting with an AI, took off. Apple started pulling apps that change their behavior after review, and approval times stretched from a day or two to anywhere from a week to more than a month by March.

The biggest win is for single-task apps. Many free habit trackers, timers and converters are stuffed with ads or push monthly subscriptions. A homemade version can skip both, and it only has to work for you. It doesn’t need to be polished or commercially viable.

The catch is code quality. AI-written code passed security firm Veracode’s tests 56% of the time last year, and that was for raw AI models without extra safeguards. The weakest results were in areas that matter on a phone, such as attacks that slip harmful scripts into an app. Google says AI Studio runs its own checks on the apps it generates. Even so, it is wise to keep homemade apps away from passwords, banking details or anything sensitive until the tools have a longer track record.

There is a bigger picture too. Google is opening this free front door while narrowing the side door. Since September 30, apps installed through participating stores on certified Android devices must be registered to a verified developer. The rule already applies in Thailand, Singapore, Indonesia and Brazil, and it expands worldwide in 2027. Skipping it means digging into your phone’s developer settings, rebooting and then waiting a full day. Europe is pushing in the other direction: under July rules from the European Commission, Google must open Android to competing AI assistants on equal terms with Gemini from 2027.

Private apps are rolling out now to adults in the US and other select markets. Google has not published a full country list, and there is no confirmed date for the UK or Canada.

The feature arrived with a wider Play Store refresh. Ask Play, a chatbot that started in 2025 as a question box on app listings, now works as a general app search that can produce comparison charts. A new Game Finder builds a taste profile called Gamer DNA to recommend games, rolling out first in the US. Gemini can also now link straight to Play Store apps in its chats.

To try private apps, sign in to Google AI Studio with your personal Google account and look for the option to build an app for your own device.