Comparison

Block Spam vs Spam Zero

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Block Spam

Features
Read full description

Block Spam is a software that can customize caller identification and call blocking. Just edit the number to be identified / blocked, and click [Reload Extension] to complete the configuration. * Custom caller identification and call blocking * Batch block phone numbers * Show the country / region where the number is added * Support multi-country number addition * Clear all blocked calls with one click Tips: After each operation, please click [Reload Extension] to take effect. If you are prompted that you do not have permission, please enter the permission in the phone [Settings]-> [Phone]-> [Call blocking & Identification].

About

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.

Highlights
  • 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
Features
Read full description

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

Block Spam4 screens
Spam Zero4 screens

Verdict

The call

The clearest difference is price: Spam Zero at Free against Block Spam's $0.99. Spam Zero also leads on update cadence (every 3 days vs every 4 months). Block Spam's advantage is iOS requirement (15.6 vs 17.2). On ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Spam Zero is free to download; Block Spam costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Block Spam ships an update every 4 months, Spam Zero every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Block Spam versus Spam Zero: the parameters behind the verdict, then further details
ParameterBlock SpamSpam Zero
Price$0.99Free — better
Rating—3.1 (18 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings—18 — better
Update frequencyEvery 4 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.2
Further details — not scored
Size11 MB12 MB
Age rating4+4+
Developer恒俭 董Kavun, LLC

In-app purchases

None

Block Spam

No in-app purchases

None

Spam Zero

No in-app purchases

Questions

Is Block Spam free?
Block Spam costs $0.99, with no in-app purchases.
Is Spam Zero free?
Spam Zero is free to download, with no in-app purchases.
Do Block Spam or Spam Zero have ads?
Neither Block Spam nor Spam Zero shows ads.
Which is updated more often, Block Spam or Spam Zero?
Block Spam ships an update every 4 months, and Spam Zero every 3 days. Most recently, Block Spam was updated on November 3, 2026 and Spam Zero on October 30, 2026.

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