# Smart Spam Filter vs nCryptor

The clearest difference is rating: nCryptor at 5.0 against Smart Spam Filter's 4.4. nCryptor also leads on in-app purchases (none vs 2) and update cadence (every 5 days vs every 2 weeks). Smart Spam Filter's advantage is ratings volume (9 vs 1). 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. nCryptor asks for nothing beyond the download.

nCryptor holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Smart Spam Filter has 9 ratings behind it against 1, so its average is the more settled of the two.

Smart Spam Filter ships an update every 2 weeks, nCryptor every 5 days. The most recent releases landed on October 2, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Smart Spam Filter | nCryptor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/smart-spam-filter/id6503603784/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ncryptor/id6744750056/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 98.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 56 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Junbum Lee](https://appshunter.io/developer/1749481503) | [Data Locker Inc.](https://appshunter.io/developer/902009749) |

## 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 |


### nCryptor

[App page](https://appshunter.io/ios/app/ncryptor/id6744750056)

Securely encrypt your files before uploading them to cloud storage or saving them locally. This utility app enhances your privacy with client-side encryption and offers safe file sharing options.

**Highlights:** Client-side encryption, Secure file sharing, Cloud data protection, Local file encryption, Enhanced user privacy

**Features:** macOS Compatibility

**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 nCryptor free?

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

### Which has better reviews, Smart Spam Filter or nCryptor?

nCryptor is rated higher. Smart Spam Filter averages 4.4 out of 5 from 9 ratings, while nCryptor averages 5.0 from 1 ratings.

### Do Smart Spam Filter or nCryptor have ads?

Neither Smart Spam Filter nor nCryptor shows ads.

### Which is updated more often, Smart Spam Filter or nCryptor?

Smart Spam Filter ships an update every 2 weeks, and nCryptor every 5 days. Most recently, Smart Spam Filter was updated on October 2, 2026 and nCryptor on September 14, 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.*