# Spam SMS Filter vs Password Authentication

The clearest difference is in-app purchases: Password Authentication at none against Spam SMS Filter's 3. Spam SMS Filter's advantage is ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Spam SMS Filter sells 3 in-app purchases, starting at $2.99 per year. Password Authentication asks for nothing beyond the download.

## The numbers

| Metric | Spam SMS Filter | Password Authentication |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (20 ratings)](https://appshunter.io/ios/app/spam-sms-filter/id1387383448/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Freemium | — |
| Size | 12 MB | 54 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Manish Paralikar](https://appshunter.io/developer/1166510580) | [Jksol Infotech LLP](https://appshunter.io/developer/1780266924) |

## What reviewers say

### Spam SMS Filter

[App page](https://appshunter.io/ios/app/spam-sms-filter/id1387383448)

Effortlessly filter unwanted marketing and spam SMS messages. Create custom blacklists and whitelists based on keywords or sender IDs to automatically categorize and hide spam. Enjoy a cleaner inbox with this user-friendly utility.

**Highlights:** Block by content keywords, Block by sender ID, Create custom blacklists, Create custom whitelists, Automatic spam categorization, Smart filtering of contacts

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Plan | $2.99 | per year |
| Remove Ads | $0.99 | one-time |
| Remove Keyword Limit | $1.99 | one-time |


### Password Authentication

[App page](https://appshunter.io/ios/app/password-authentication/id6739488718)

**In-app purchases:** none


## Frequently asked questions

### Is Spam SMS Filter free?

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

### Is Password Authentication free?

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

### Do Spam SMS Filter or Password Authentication have ads?

Password Authentication shows ads; Spam SMS Filter does not.

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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.*