Block Guard: Spam Call Blocker

RadStorm Technologies
FREE Android Everyone
4.3 ★
Rating
10M+
Downloads
Free
Price
2.0
Version
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Reviewed on March 31, 2026  · Updated April 29, 2026
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Screenshots

Block Guard: Spam Call Blocker app screenshot 1 Block Guard: Spam Call Blocker app screenshot 2 Block Guard: Spam Call Blocker app screenshot 3 Block Guard: Spam Call Blocker app screenshot 4 Block Guard: Spam Call Blocker app screenshot 5 Block Guard: Spam Call Blocker app screenshot 6

About Block Guard: Spam Call Blocker

I was getting absolutely bombarded. Every single day, like clockwork, my phone would ring with numbers I didn’t know. It was always the same junk—”your social security number is suspended” or “you’ve won a free cruise.” I remember one Tuesday afternoon, I was trying to focus on a recipe for dinner and got three calls in twenty minutes. I was so fed up I just searched “stop spam calls” in the App Store and Block Guard popped up. The one-time price seemed fair, so I just went for it. I’ve had it on my iPhone 14 for over a year now, and it honestly solved the problem I bought it for. My phone doesn’t scream at me with scams anymore.

Features & Highlights

The best part is it just works in the background. You don’t have to do anything. A call comes in, the screen flashes “Blocked” for a second, and that’s it. Silence. It’s so satisfying. I like that I can add my own numbers to block, too. I had this persistent survey caller from “Market Insights” that kept changing numbers, so I just blocked the whole area code pattern. Gone. There’s also a mode where you can silence everyone except your favorites, which I use when I’m at the movies with my friend Sarah. It lets her through if there’s an emergency but keeps the world out. It feels like having a bouncer for my phone.

User Experience

Setting it up was stupid easy. I downloaded it, paid the $4.99, tapped through a couple of prompts to let it access calls, and that was the whole setup. Maybe two minutes. The app itself is plain and simple, which I prefer. I don’t need fancy graphics, I need my phone to stop ringing. The first time it blocked a call, I was in the checkout line at the grocery store. My phone lit up with “Warranty Center” and then immediately went dark. I actually smiled. I sometimes peek at the log, and seeing a list of 50+ blocked calls from the past month is weirdly gratifying. It’s proof it’s doing its job every day.

Pricing

You pay once and you own it. No monthly fee, no “premium” tier you have to upgrade to for the good stuff. It was five bucks. I’ve spent more on a latte that was gone in ten minutes. For that price, it’s stopped probably a thousand annoying interruptions over the year. When you think about it like that, it’s a no-brainer. I’d have happily paid more just to get my sanity back, so getting it for less than the cost of lunch felt like a win.

Updates & Support

The app gets updated every so often, which is good because it means the list of bad numbers is getting refreshed. That’s probably why it still catches new spam. My one gripe is with support. A few months ago, after an iOS update, the app stopped showing the “Blocked” notification. It was still blocking calls, but I couldn’t see it happening. I emailed them about it. I got a reply a couple days later that was kind of vague, just saying “notifications should be working” and to restart my phone. I did that and it fixed it, but I wish the response had been quicker and more helpful. It left me feeling a bit on my own.

Security & Privacy

Look, it needs permission to see your calls to block them. That made sense to me. I read their privacy thing before installing, and it says they don’t collect or sell your personal call data. They only use reported numbers to update the shared block list for everyone. There are no ads in the app at all, which is a huge plus. It feels clean. After using it for this long, I’ve had no weird issues or mystery charges, so I trust it. It does the one job I asked it to do without causing other problems.

Frequently asked questions
How does Block Guard block spam calls without me having to do anything?

Once you set it up, Block Guard runs silently in the background. When a spam call comes in, your screen briefly flashes 'Blocked' and then the call is stopped, so you never hear it ring.

Can I block specific numbers or area codes with Block Guard?

Yes, you can manually add numbers to block, and you can even block an entire area code pattern. This is handy for stopping persistent callers who keep changing their phone number.

What should I do if Block Guard isn't blocking all the spam calls I'm getting?

First, check that you've allowed the app access to your calls and that it's enabled in your iPhone's settings under 'Call Blocking & Identification.' If it's set up correctly, try adding the unwanted numbers to your personal block list for extra coverage.

Will Block Guard ever block a call from someone I actually want to hear from?

Block Guard is designed to only block numbers identified as spam or numbers you specifically add. It also has a 'silence unknown callers' mode that lets calls from your favorites ring through, so important contacts won't be missed.

How does Block Guard compare to a free spam call blocker like Truecaller?

Block Guard costs a one-time $4.99 with no ads or subscriptions, while Truecaller's best features often require a paid subscription. Block Guard is also simpler—it just blocks calls quietly in the background—whereas Truecaller has a more complex interface with caller ID and messaging features.

✓  Pros
✓ Stops spam calls dead before the phone even rings.
✓ Simple one-time payment, no subscriptions.
✓ Easy to add your own numbers or number patterns to block.
✓ The "quiet mode" is perfect for meetings or nights out.
✗  Cons
✗ Support response was slow and not very helpful when I had an issue.
✗ The app design is pretty basic and boring to look at.
✗ Occasionally a spam call slips through for a day before the list updates.
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App information
DeveloperRadStorm Technologies
Version2.0
Downloads10M+
PriceFree
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