# SMS Filter vs mBooks

The clearest difference is in-app purchases: mBooks at none against SMS Filter's 1. mBooks also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SMS Filter sells 1 one-off in-app purchase. mBooks asks for nothing beyond the download.

SMS Filter ships an update every 2 weeks, mBooks every 9 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SMS Filter | mBooks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 20 MB | 65 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [春晖 王](https://appshunter.io/developer/972349380) | [Anshika Maurya](https://appshunter.io/developer/1787701644) |

## What reviewers say

### SMS Filter

[App page](https://appshunter.io/ios/app/sms-filter-smart-filter/id1666261216)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $0.99 | one-time |


### mBooks

[App page](https://appshunter.io/ios/app/mbooks-pdf-and-epub-reader/id6774751313)

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

**In-app purchases:** none


## Frequently asked questions

### Is SMS Filter free?

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

### Is mBooks free?

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

### Do SMS Filter or mBooks have ads?

Neither SMS Filter nor mBooks shows ads.

### Which is updated more often, SMS Filter or mBooks?

SMS Filter ships an update every 2 weeks, and mBooks every 9 days. Most recently, SMS Filter was updated on October 7, 2026 and mBooks on October 11, 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.*