# SpamFilter vs AITextGuard

The clearest difference is update cadence: SpamFilter at daily against AITextGuard's every 3 months. SpamFilter also leads on iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SpamFilter sells 1 one-off in-app purchase and AITextGuard sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

SpamFilter ships an update daily, AITextGuard every 3 months. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SpamFilter | AITextGuard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aitextguard/id6448653016/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 months |
| Monetization | — | Subscription |
| Size | 8 MB | 6 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [chenghui Duan](https://appshunter.io/developer/1611953038) | [ShihHsuan Huang](https://appshunter.io/developer/1671920762) |

## What reviewers say

### SpamFilter

[App page](https://appshunter.io/ios/app/spamfilter-ai-blocker/id1627187777)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |


### AITextGuard

[App page](https://appshunter.io/ios/app/aitextguard/id6448653016)

This AI-powered tool blocks unwanted SMS messages using advanced GPT-4 technology. It automatically sorts messages into folders, supports all languages, and integrates seamlessly with your existing messaging app for a cleaner inbox.

**Highlights:** GPT-4 AI message filtering, Automatic message sorting, Multi-language support, Seamless Messages app integration, Spam detection

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Text Protection | $3.99 | per month |
| Yearly Text Protection | $29.99 | per year |


## Frequently asked questions

### Is SpamFilter free?

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

### Is AITextGuard free?

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

### Do SpamFilter or AITextGuard have ads?

Neither SpamFilter nor AITextGuard shows ads.

### Which is updated more often, SpamFilter or AITextGuard?

SpamFilter ships an update daily, and AITextGuard every 3 months. Most recently, SpamFilter was updated on October 10, 2026 and AITextGuard on October 17, 2026.

---

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