# SMS Filter vs Synonyms English

The clearest difference is in-app purchases: Synonyms English at none against SMS Filter's 1. Synonyms English also leads on iOS requirement (12.0 vs 26.0). SMS Filter's advantage is update cadence (fortnightly vs every 5 months). 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. Synonyms English asks for nothing beyond the download.

SMS Filter ships an update fortnightly, Synonyms English every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SMS Filter | Synonyms English |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Size | 21 MB | 66 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [春晖 王](https://appshunter.io/developer/972349380) | [Ivo Fernandes](https://appshunter.io/developer/1251123569) |

## 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 |


### Synonyms English

[App page](https://appshunter.io/ios/app/synonyms-english/id6469249798)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMS Filter free?

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

### Is Synonyms English free?

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

### Do SMS Filter or Synonyms English have ads?

Neither SMS Filter nor Synonyms English shows ads.

### Which is updated more often, SMS Filter or Synonyms English?

SMS Filter ships an update fortnightly, and Synonyms English every 5 months. Most recently, SMS Filter was updated on November 3, 2026 and Synonyms English on October 30, 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.*