# SMS Spam Block vs Cuspart

The clearest difference is review sentiment: SMS Spam Block at 58% against Cuspart's 0%. SMS Spam Block also leads on in-app purchases (none vs 3) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Cuspart sells 3 in-app purchases, starting at $1.99 per month. SMS Spam Block asks for nothing beyond the download.

SMS Spam Block holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 58% of SMS Spam Block's written reviews are positive against 0% of Cuspart's.

SMS Spam Block ships an update every 3 weeks, Cuspart every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | SMS Spam Block | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/sms-spam-block/id1283355601/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/cuspart-call-blocker/id6447001455/reviews) |
| Number of ratings | **9** | 3 |
| Positive reviews | **58.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 11 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Victor Pavlychko](https://appshunter.io/developer/1197890919) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### SMS Spam Block

[App page](https://appshunter.io/ios/app/sms-spam-block/id1283355601)

Block unwanted text messages by blacklisting keywords or filtering messages from unknown senders. Maintain a whitelist for essential service messages like activation codes. All filtering is performed securely on your device.

**Highlights:** Block keywords, Filter unknown senders, Whitelist exceptions, On-device filtering, Secure and private

**Features:** macOS Compatibility

**In-app purchases:** none


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-call-blocker/id6447001455)

This app helps you block unwanted calls and protect your privacy. It operates locally on your device, ensuring your data remains secure. Easily add numbers to a block list and enjoy uninterrupted peace.

**Highlights:** Block unwanted numbers, Local data operation, User-friendly interface, Privacy protection, Simple blocking process

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze Subscription | $1.99 | per month |
| Silver Subscription | $5.99 | per 3 months |
| Gold Subscription | $12.99 | per year |


## Frequently asked questions

### Is SMS Spam Block free?

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

### Is Cuspart free?

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

### Which has better reviews, SMS Spam Block or Cuspart?

SMS Spam Block is rated higher. SMS Spam Block averages 4.0 out of 5 from 9 ratings, while Cuspart averages 3.7 from 3 ratings.

### Do SMS Spam Block or Cuspart have ads?

Cuspart shows ads; SMS Spam Block does not.

### Which is updated more often, SMS Spam Block or Cuspart?

SMS Spam Block ships an update every 3 weeks, and Cuspart every 5 months. Most recently, SMS Spam Block was updated on November 3, 2026 and Cuspart on November 3, 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.*