Fake stalking apps racked million of downloads. It says a lot about Google’s security and us


There is no app that lets you pull up someone else’s call history. There never has been, and there almost certainly never will be — carriers don’t expose that data, and no third-party developer has the access required to retrieve it. This is not a grey area; it is simply not possible. And yet, 7.3 million people, according to welivesecurity have downloaded apps that claimed to do exactly that.

Security researchers at ESET spent months untangling a sprawling family of 28 fraudulent Android apps they collectively dubbed CallPhantom — apps that promised users a window into anyone’s phone activity: call logs, SMS records, even WhatsApp history. Enter a number, pay a small fee, and the secrets of whoever you were looking up would supposedly come spilling out. What actually came out was fiction — random phone numbers dressed up with hardcoded names and timestamps, generated by the app itself, designed to look just convincing enough to seem real. The payoff is that users only saw this fake data after they’d already paid. That sequencing wasn’t accidental.

Google Play Store had a serious blind spot here

All 28 apps sat on the Google Play Store long enough to accumulate millions of downloads. One of them was published under the name “Indian gov.in,” a developer handle implying government legitimacy it had no right to claim. Several had review sections full of users explicitly writing that they’d been scammed, and those warnings coexisted with clusters of suspiciously enthusiastic five-star reviews that kept the ratings looking respectable.

ESET flagged the full set to Google in December 2025, and the apps were removed. But the removal came from an external report, not from Google catching something itself. For a platform that has invested heavily in automated threat detection and the App Defense Alliance framework, letting 28 variants of the same scam — all promising the same technically impossible feature — accumulate millions of downloads is a significant gap.

Some apps made things worse by bypassing Google’s payment infrastructure entirely, routing users to third-party UPI transactions or to direct card entry fields embedded in the app. That’s a violation of Play Store policy, but it also means Google can’t issue refunds to those users. Anyone who paid outside the official billing system has to chase down the payment provider themselves, or the developers, who, it goes without saying, are not particularly motivated to help.

The apps worked because the pitch was irresistible

The more uncomfortable part of this story is what drove 7.3 million downloads in the first place. These apps didn’t offer cloud storage or a new way to edit photos. They offered something people actually wanted badly enough to pay for: the ability to spy on someone — a partner, an ex, a teenager, or a business contact. Whatever the reason, there was clearly a large and willing audience for the idea.

The apps leaned into that desire with ruthless precision. They preselected India’s +91 country code by default and supported UPI payments, which signals that the scammers understood their target demographic well. Subscription tiers ranged from a few euros per week to $80 a year, giving users options that felt like a legitimate service and catered to different needs. One app, when a user tried to exit without paying, sent a fake push notification styled to look like an email had just arrived with the results — a last-ditch nudge that led straight back to the paywall.

It worked because curiosity is a powerful thing, and the apps were designed by people who understood that. Strip away the technical scaffolding and what you have is a very old scam: charge someone for something they desperately want, give them a plausible-looking nothing, and count on embarrassment to keep them from complaining too loudly.

For anyone caught up in this, subscriptions processed through Google Play’s official system can be canceled — and potentially refunded — through the Play Store’s payment settings. Everything else is a harder conversation with whoever processed the payment.



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Recent Reviews


If you are a book purist, you might scoff when I recommend an e-reader instead of buying physical books, and I won’t blame you. The allure of the smell of pages, the weight of the book in my hands, the whole ritual, is hard to resist. 

However, if you allow me some leeway to convince you, there’s a strong argument to be made against physical books and in favor of using e-readers. So let me make the case for e-readers, because once you understand what you’ve been missing, it’s hard to go back.

Your entire library fits in your bag

This is the most obvious advantage, but it doesn’t get enough credit. I always read more than one book at a time, and carrying two or three physical books around is not realistic. Thick books alone are a chore to carry.

With an e-reader, you carry hundreds of books in a slim package. Switching between titles takes a second. If you travel frequently, this alone is reason enough to make the switch.

A thousand-page hardcover is great for your bookshelf but terrible for your commute.

Fat books are a workout, not a reading experience

If, like me, you are into fantasy books, you know they can be a behemoth to handle. You have to constantly shift how you’re holding it, find a way to keep it open, and somehow also stay comfortable. Thin books are fine, but the moment a book crosses a certain thickness, it starts working against you.

An e-reader weighs the same regardless of whether you’re reading a short novel or a massive fantasy series. That’s it. Whether I am reading The Count of Monte Cristo or the next book in Brandon Sanderson’s The Stormlight Archive series, my Supernote Nomad remains the same. 

Reading at night without waking anyone up

I do a lot of my reading at night, and this is where physical books completely fall apart for me. Lamps and book lights never feel comfortable. The light is never quite right, and if you share a room with someone, the whole setup becomes a problem.

Most e-readers, including Kindles, have a built-in backlight that you can dim to whatever level feels right. You can even switch to warm light mode, making it easier on your eyes. 

I’ve read at 3 AM with the brightness all the way down, and it felt completely natural. No lamp and no squinting required. 

Look up any word without losing your place

English is not my first language, and even for native speakers, encountering an unfamiliar word in the middle of a chapter is common. With a physical book, your options are to grab your phone and look it up, which almost always leads to distraction, or skip it and lose a bit of meaning.

On a Kindle or most other e-readers, you tap the word and the definition appears instantly. You can translate it, add it to a vocabulary list, and get back to reading in seconds. I look up far more words now than I ever did with physical books, and my reading comprehension is genuinely better for it.

Taking notes you’ll actually use later

I used to annotate physical books with a pen, and those notes would just sit there on the page, never to be seen again. Transferring them somewhere useful took more effort than I was ever willing to put in.

With my Supernote Nomad, I can use its Digest feature to clip what I am reading and quickly add any additional handwritten notes. I can then export those notes to Obsidian and process them. 

If you use any e-reader, highlighting a passage and adding a note will take a couple of seconds. Most e-readers also aggregate all your highlights and notes in one place, allowing you to quickly riffle through your notes without flipping pages. 

With physical books, my notes died on the page. With an e-reader, they became something I actually use.

Since these are digital notes, you can process them into your note-taking app to further digest the material.

Books are cheaper and easier to buy

Buying physical books is always more expensive than getting the digital version. Also, since most publishers are phasing out mass-market paperbacks, we are left with trade paperback and hardcover options, which may look better but also cost significantly more.

E-books don’t have that problem. I have purchased several books at less than half the price I would have paid for a physical version. Also, most of the time, e-books are on sale, making them even more affordable. 

And when you find a book you want to read at midnight, you don’t have to wait for a delivery or drive to a store. You buy it and start reading immediately. The convenience is hard to overstate once you get used to it.

Should you switch?

If you love the experience of physical books, the covers, the smell, the shelf aesthetic, that’s a completely valid reason to stick with them. There’s nothing wrong with it. I myself am curating my own bookshelf, and there will always be a place for those special books. 

But for convenience and ease of discovery and reading, I recommend you at least invest in one e-reader. It’s also one of the best times to buy them, as you can get good options around $100

Since these are e-readers, you don’t even need to upgrade them as often as your phone. If you don’t accidentally break them, they can easily last 5-6 years, making them worth the investment.



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