# Sullivan+ vs Smart Spam Filter

The clearest difference is monetization model: Sullivan+ at free against Smart Spam Filter's free with in-app purchases. Smart Spam Filter's advantage is update cadence (every 2 weeks vs every 2 months) and review sentiment (98% vs 89%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Sullivan+ sells 3 in-app purchases, starting at $9.99 per month and Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Sullivan+ against 4.4 for Smart Spam Filter. Both are backed by a comparable volume of ratings — 22 and 9 respectively. Written reviews are what separate them: 89% of Sullivan+'s written reviews are positive against 98% of Smart Spam Filter's.

Sullivan+ ships an update every 2 months, Smart Spam Filter every 2 weeks. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sullivan+ | Smart Spam Filter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (22 ratings)](https://appshunter.io/ios/app/sullivan-plus/id1475001234/reviews) | [4.4 (9 ratings)](https://appshunter.io/ios/app/smart-spam-filter/id6503603784/reviews) |
| Number of ratings | **22** | 9 |
| Positive reviews | 89.3% of reviews | **98.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 136 MB | 23 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [TUAT Inc.](https://appshunter.io/developer/1475001045) | [Junbum Lee](https://appshunter.io/developer/1749481503) |

## What reviewers say

### Sullivan+

[App page](https://appshunter.io/ios/app/sullivan-plus/id1475001234)

This visual assistance app uses AI and your smartphone camera to describe surroundings, read text, identify faces, and find objects. It offers features like currency recognition and color identification to enhance accessibility for the blind and visually impaired.

**Highlights:** AI object and scene description, Text recognition and reading, Face recognition with age/gender, Object finder with voice guidance, Currency denomination announcement, Color recognition

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | per month |
| Pro Usage 5,000 Top-Up | $2.99 | one-time |
| Pro Usage 15,000 Top-Up | $6.99 | one-time |


### 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 |


## Frequently asked questions

### Is Sullivan+ free?

Sullivan+ is free to download, with in-app purchases available.

### Is Smart Spam Filter free?

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

### Which has better reviews, Sullivan+ or Smart Spam Filter?

Sullivan+ and Smart Spam Filter are both rated 4.4 out of 5 on the App Store, from 22 and 9 ratings respectively.

### Do Sullivan+ or Smart Spam Filter have ads?

Neither Sullivan+ nor Smart Spam Filter shows ads.

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

Sullivan+ ships an update every 2 months, and Smart Spam Filter every 2 weeks. Most recently, Sullivan+ was updated on September 14, 2026 and Smart Spam Filter on September 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.*