# Spam Zero vs SmartFilter

The clearest difference is update cadence: Spam Zero at every 3 days against SmartFilter's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spam Zero ships an update every 3 days, SmartFilter every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Spam Zero | SmartFilter |
| --- | --- | --- |
| Price | Free | 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 3 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 12 MB | 25 MB |
| Requires iOS | 17.2 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kavun, LLC](https://appshunter.io/developer/1503851293) | [Ramazan SAYAN](https://appshunter.io/developer/1885223236) |

## What reviewers say

### 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


### SmartFilter

[App page](https://appshunter.io/ios/app/smartfilter-spam-blocker/id6760597598)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spam Zero free?

Spam Zero is free to download, with no in-app purchases.

### Is SmartFilter free?

SmartFilter is free to download, with no in-app purchases.

### Do Spam Zero or SmartFilter have ads?

Neither Spam Zero nor SmartFilter shows ads.

### Which is updated more often, Spam Zero or SmartFilter?

Spam Zero ships an update every 3 days, and SmartFilter every 6 weeks. Most recently, Spam Zero was updated on October 30, 2026 and SmartFilter on October 31, 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.*