# SMS Junk Filter vs MailFiltr

The clearest difference is in-app purchases: MailFiltr at none against SMS Junk Filter's 1. SMS Junk Filter's advantage is update cadence (every 9 days vs monthly) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. SMS Junk Filter sells 1 in-app purchase, starting at $7.99 per year. MailFiltr asks for nothing beyond the download.

SMS Junk Filter ships an update every 9 days, MailFiltr monthly. Both last shipped on October 5, 2026.

## The numbers

| Metric | SMS Junk Filter | MailFiltr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (16 ratings)](https://appshunter.io/ios/app/sms-junk-filter/id1248160670/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 26 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RADSense Software](https://appshunter.io/developer/465965041) | [William Oling](https://appshunter.io/developer/1705941549) |

## What reviewers say

### SMS Junk Filter

[App page](https://appshunter.io/ios/app/sms-junk-filter/id1248160670)

Automatically filters unwanted SMS and MMS messages using AI and a community-powered spam reporting system. Create custom rules to block or allow specific messages and avoid notifications from spam, phishing, and malicious links.

**Highlights:** Automatic SMS spam filtering, AI-powered filtering engine, Customizable blocking rules, Cloud-based spam reporting, Phishing and malicious link detection, Apple Watch notification avoidance

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SMS Junk Filter | $7.99 | per year |


### MailFiltr

[App page](https://appshunter.io/ios/app/mailfiltr/id6464416611)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMS Junk Filter free?

SMS Junk Filter is free to download, with in-app purchases available.

### Is MailFiltr free?

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

### Do SMS Junk Filter or MailFiltr have ads?

Neither SMS Junk Filter nor MailFiltr shows ads.

### Which is updated more often, SMS Junk Filter or MailFiltr?

SMS Junk Filter ships an update every 9 days, and MailFiltr monthly. Most recently, SMS Junk Filter was updated on October 5, 2026 and MailFiltr on October 5, 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.*