Verizon Call Filter vs Spam Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Verizon Call Filter
This app helps you identify and block unwanted spam and robocalls. It automatically screens incoming calls, alerts you to suspected spam, and can send high-risk callers directly to voicemail. You can also report spam numbers and customize your blocking preferences for greater control over your calls.
- Identify suspected spam calls
- Automatically block high-risk spam
- Report phone numbers as spam
- Block robocalls
- Adjust spam filter settings
- Caller ID (Plus feature)
- Block neighborhoods (Plus feature)
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Verizon Call Filter takes the guesswork out of answering your phone, with features that screen and automatically block incoming spam calls. With Call Filter, you can: • Identify suspected spam calls with alerts. • Automatically block spam based on their risk level and send them to voicemail (Call Filter automatically blocks high-risk callers). • Report phone numbers as spam. • Use filters to block other unwanted callers, such as robocalls. • Adjust spam filter settings any time. For added security, upgrade to Call Filter Plus*. Features such as Caller ID and blocking neighborhoods give you even more control over incoming calls. Download Verizon Call Filter and start answering calls with confidence. *Eligible customers get a 15-day trial for Call Filter Plus. At the end of the trial, customers can choose to subscribe to Call Filter Plus at $3.99 per month, per line. If no action is taken, customers will be auto enrolled in the free version of Call Filter. Accounts with 3 or more eligible lines can subscribe to Call Filter Plus (Multi-line) for $10.99/mo by logging in to My Verizon. The spam filter will be automatically set to block high-risk spam callers, but you can change your block settings at any time. Data charges apply. Verizon's Call Filter App requires a Verizon standard monthly account on an eligible device. Please reference https://www.vzw.com/support/how-to-use-call-filter/ and https://www.vzw.com/support/call-filter-faqs/ for step-by-step instructions on how to use the app
Spam Zero
Block unwanted spam calls with a vast database of known spammers. This privacy-focused app keeps all blocking data on your device, ensuring your calls and contacts remain private. Enjoy smart protection that distinguishes spam from important calls with an easy setup.
- Block 1M+ known spam numbers
- Complete privacy, no data collection
- Device-only call blocking
- Smart protection for important calls
- Automatic spam database updates
- Real-time call blocking
- Easy setup in minutes
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Tired of endless spam calls? Spam Zero gives you back control of your phone with powerful, privacy-focused call blocking. KEY FEATURES: • Massive Database: Protection from 1,000,000+ known spam numbers • Complete Privacy: We never see your calls or contacts • Device-Only: All data stays securely on your iPhone • Zero Data Collection: We never track or upload your information • Smart Protection: Blocks spam while letting important calls through • Easy Setup: Get protected in minutes PRIVACY FIRST Your privacy is our foundation. Spam Zero is designed with a strict privacy-first approach: • No access to your personal calls or contacts • All blocking happens directly on your device • No data collection or tracking • No cloud storage of your information POWERFUL PROTECTION • Automatic updates to spam number database • Real-time call blocking • Visual status monitoring • Protection status tracking • Simple, intuitive interface GET STARTED Download Spam Zero today and join thousands of users who've taken back control of their phone calls. Setup takes just minutes, and you'll be protected immediately. SUPPORT Need help? Questions? Contact our support team at hey@getspamzero.com Note: Spam Zero requires iOS call blocking permissions to function. Follow the in-app setup guide to enable all features.
Screenshots
Verdict
The clearest difference is rating: Verizon Call Filter at 4.7 against Spam Zero's 3.1. Verizon Call Filter also leads on ratings volume (337K vs 18) and chart position (#146 vs unranked). Spam Zero's advantage is update cadence (every 3 days vs every 2 months) and monetization model (free vs free with in-app purchases). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Verizon Call Filter holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: Verizon Call Filter has 337K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 39% of Verizon Call Filter's written reviews are positive against 33% of Spam Zero's.
Verizon Call Filter ships an update every 2 months, Spam Zero every 3 days. The most recent releases landed on November 10, 2026 and November 4, 2026 respectively.
| Parameter | Verizon Call Filter | Spam Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (337K ratings) — better | 3.1 (18 ratings) |
| Positive reviews | 38.6% of reviews — better | 33.3% of reviews |
| Number of ratings | 337K — better | 18 |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #146 — better | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.2 |
| Further details — not scored | ||
| Size | 88 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Verizon Wireless | Kavun, LLC |
Customer experience
Verizon Call Filter
Spam Zero
Bugs and requests
Verizon Call Filter
Reported bugs
3 issues- App blocks all calls after installation
- Doesn't show blocked call history
- Inconsistent performance
Requested features
4 requests- Ability to block more numbers
- Improved spam detection and blocking
- Better integration with phone app
- More transparency on how the app works
Spam Zero
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Verizon Call Filter
No in-app purchases
Spam Zero
No in-app purchases









