# SMS Antispammer vs Zipper

The clearest difference is price: Zipper at Free against SMS Antispammer's $1.99. Zipper also leads on update cadence (every 2 weeks vs every 38 months). SMS Antispammer's advantage is in-app purchases (none vs 1) and iOS requirement (14.0 vs 17.0). On ads and device support there is nothing between them.

Zipper is free to download; SMS Antispammer costs $1.99 up front. Zipper sells 1 one-off in-app purchase. SMS Antispammer asks for nothing beyond the download.

SMS Antispammer ships an update every 38 months, Zipper every 2 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SMS Antispammer | Zipper |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Space In Box](https://appshunter.io/developer/486967606) | [Aliaksei Bychkou](https://appshunter.io/developer/1896134592) |

## What reviewers say

### SMS Antispammer

[App page](https://appshunter.io/ios/app/sms-antispammer/id1295095396)

Block unwanted SMS messages by filtering them based on custom keywords. Once activated, these messages are automatically moved to a spam folder, ensuring you won't receive notifications. Filtering is performed directly on your device for enhanced privacy.

**Highlights:** SMS filtering by keywords, Editable keyword list, Messages hidden in spam section, No notifications for filtered messages, Local filtering on device

**Features:** macOS Compatibility

**In-app purchases:** none


### Zipper

[App page](https://appshunter.io/ios/app/zipper-archive-manager/id6802431973)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zipper PRO | $7.99 | one-time |


## Frequently asked questions

### Is SMS Antispammer free?

SMS Antispammer costs $1.99, with no in-app purchases.

### Is Zipper free?

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

### Do SMS Antispammer or Zipper have ads?

Neither SMS Antispammer nor Zipper shows ads.

### Which is updated more often, SMS Antispammer or Zipper?

SMS Antispammer ships an update every 38 months, and Zipper every 2 weeks. Most recently, SMS Antispammer was updated on November 6, 2026 and Zipper on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*