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Why some of our apps show ads

AltSys Lab is a small, independent studio. Our apps are free to download, and ads are what let us keep them that way while still paying for the work behind them.

Free apps still cost money to make

An app isn't finished when it reaches Google Play. Keeping it working well is ongoing work, and ads help pay for:

  • Updating apps for every new Android version and new devices
  • Testing on different phones, screen sizes and Android versions
  • Fixing bugs and improving features you ask for
  • Answering support messages from real people
  • Google Play developer and store fees

Without ads, we would have to charge everyone up front, and many people would never get to try the apps at all.

The ads you might see

Banner ads
A small strip at the top or bottom of a screen. You can keep using the app around it.
Full-screen ads
An ad that covers the screen for a few seconds, with a clear way to close it. These are sometimes called interstitial ads.
Rewarded ads
Always your choice: you decide to watch one in exchange for something useful, like time without ads.

Use our apps without ads

If you'd rather not see ads, there are two ways to turn them off. The exact options are shown inside each app.

Watch one ad, get ad-free time

Choose to watch a rewarded ad and the app stays ad-free for a while, typically 24 or 48 hours depending on the app. No payment needed.

Subscribe

Weekly, monthly and yearly plans remove ads completely for as long as you're subscribed. You can cancel anytime in Google Play.

Why a subscription, not a one-time purchase?

Maintaining an app never stops: Android changes every year, new phones arrive, and bugs need fixing. A single payment would have to cover years of that work, so it would either be expensive or stop paying for updates long before the app stops being used.

A subscription matches the cost to the work: you pay only while you use the app, you can choose the plan that suits you, and you can stop whenever you like. And if you don't want to pay at all, the free ad-supported version and rewarded ad-free time are always there.

Ads and your privacy

Ads in our apps are provided by Google AdMob. To show and measure ads, ad partners may use information such as your device's advertising ID. Each app's privacy policy explains exactly what that app collects and why.

You stay in control on your device: in your phone's settings (usually Settings → Privacy → Ads, or Settings → Google → Ads) you can reset or delete your advertising ID.

Read our apps' privacy policies

Is an ad causing a problem?

If an ad is misleading, inappropriate or getting in the way of using an app, tell us which app and what you saw. We take these reports seriously.

Contact us