# Block Spam vs Spam Zero

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.

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.

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.

## The numbers

| Metric | Block Spam | Spam Zero |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.1 (18 ratings)](https://appshunter.io/ios/app/spam-zero-spam-call-blocker/id6737818516/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 11 MB | 12 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [恒俭 董](https://appshunter.io/developer/947356968) | [Kavun, LLC](https://appshunter.io/developer/1503851293) |

## What reviewers say

### Block Spam

[App page](https://appshunter.io/ios/app/block-spam/id1493095946)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Spam Zero

[App page](https://appshunter.io/ios/app/spam-zero-spam-call-blocker/id6737818516)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*