# Smart Spam Filter vs Slipstream File Transfer

The clearest difference is in-app purchases: Slipstream File Transfer at none against Smart Spam Filter's 2. Slipstream File Transfer also leads on update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. Slipstream File Transfer asks for nothing beyond the download.

Smart Spam Filter ships an update monthly, Slipstream File Transfer every 5 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Smart Spam Filter | Slipstream File Transfer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/smart-spam-filter/id6503603784/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 98.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Junbum Lee](https://appshunter.io/developer/1749481503) | [Seo Joon Jeon](https://appshunter.io/developer/1886332448) |

## What reviewers say

### Smart Spam Filter

[App page](https://appshunter.io/ios/app/smart-spam-filter/id6503603784)

This AI-powered application automatically filters unwanted spam and smishing messages. It utilizes advanced AI models, both online and on-device, to detect and block new types of fraudulent texts in real-time. Additional features include custom blacklisting and whitelisting for enhanced control.

**Highlights:** AI-based spam/smishing filtering, Online real-time AI detection, On-device AI learning, Keyword and number blocking, Whitelist functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a cup of coffee per month | $2.99 | per month |
| Support a chicken per year | $29.99 | per year |


### Slipstream File Transfer

[App page](https://appshunter.io/ios/app/slipstream-file-transfer/id6816633094)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Spam Filter free?

Smart Spam Filter is free to download, with in-app purchases available.

### Is Slipstream File Transfer free?

Slipstream File Transfer is free to download, with no in-app purchases.

### Do Smart Spam Filter or Slipstream File Transfer have ads?

Neither Smart Spam Filter nor Slipstream File Transfer shows ads.

### Which is updated more often, Smart Spam Filter or Slipstream File Transfer?

Smart Spam Filter ships an update monthly, and Slipstream File Transfer every 5 days. Most recently, Smart Spam Filter was updated on November 12, 2026 and Slipstream File Transfer on November 13, 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.*