# Spam Blocker vs GuardNumber

The clearest difference is iOS requirement: GuardNumber at 16.0 against Spam Blocker's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Spam Blocker ships an update every 3 days, GuardNumber every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Spam Blocker | GuardNumber |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 16 MB | 12 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [burak polat](https://appshunter.io/developer/1771881690) | [Semih Silistre](https://appshunter.io/developer/1879757209) |

## What reviewers say

### Spam Blocker

[App page](https://appshunter.io/ios/app/spam-blocker/id6736408292)

**Features:** macOS Compatibility

**In-app purchases:** none


### GuardNumber

[App page](https://appshunter.io/ios/app/guardnumber/id6760973731)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spam Blocker free?

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

### Is GuardNumber free?

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

### Do Spam Blocker or GuardNumber have ads?

Neither Spam Blocker nor GuardNumber shows ads.

### Which is updated more often, Spam Blocker or GuardNumber?

Spam Blocker ships an update every 3 days, and GuardNumber every 2 days. Most recently, Spam Blocker was updated on October 25, 2026 and GuardNumber on October 24, 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.*