# Annotation Control vs SMS Filter

The clearest difference is in-app purchases: Annotation Control at none against SMS Filter's 1. Annotation Control also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Annotation Control | SMS Filter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 44 MB | 20 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Williams Sound, LLC](https://appshunter.io/developer/709827064) | [春晖 王](https://appshunter.io/developer/972349380) |

## What reviewers say

### Annotation Control

[App page](https://appshunter.io/ios/app/annotation-control/id1549095503)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Annotation Control free?

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

### Is SMS Filter free?

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

### Do Annotation Control or SMS Filter have ads?

Neither Annotation Control nor SMS Filter shows ads.

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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.*