# Phone Spam Pattern Blocker vs PrefixBlock

The clearest difference is update cadence: PrefixBlock at every 3 days against Phone Spam Pattern Blocker's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Phone Spam Pattern Blocker sells 1 one-off in-app purchase and PrefixBlock sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Phone Spam Pattern Blocker ships an update every 2 weeks, PrefixBlock every 3 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Phone Spam Pattern Blocker | PrefixBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (231 ratings)](https://appshunter.io/ios/app/phone-spam-pattern-blocker/id1389985517/reviews)** | — |
| Number of ratings | **231** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Apparent Logic, LLC](https://appshunter.io/developer/314496791) | [Phung Doanh](https://appshunter.io/developer/965062916) |

## What reviewers say

### Phone Spam Pattern Blocker

[App page](https://appshunter.io/ios/app/phone-spam-pattern-blocker/id1389985517)

Block unwanted calls by creating custom patterns, like area codes or prefixes, to instantly silence millions of numbers. This app offers a powerful, on-device solution to combat robocalls and scams without subscriptions. Start blocking for free and upgrade for unlimited protection.

**Highlights:** Block calls by area code, exchange, or prefix, Block millions of numbers with a single pattern, New blocking engine handles up to 500 million numbers, One-time purchase for Pro version, Free tier blocks up to 5 million numbers, 100% on-device processing for privacy

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phone Pattern Blocker Pro | $4.99 | one-time |

**What reviewers like**

- ✅ Effectively blocks spam and robocalls when configured correctly
- 💰 Completely free with no subscription fees
- 🎯 Pattern-based blocking allows blocking entire area codes and prefixes
- ⚡ Works immediately without delays
- 🔧 Simple and intuitive interface

**What reviewers complain about**

- 🐛 Calls still come through despite being blocked
- ❌ Inconsistent blocking functionality
- 😕 Confusing user interface and unclear instructions
- 📞 Blocks legitimate calls unintentionally
- ⚠️ Limited number of patterns that can be blocked

**Reported bugs**

- Premium/paid features show payment error despite being purchased
- App freezes and becomes unresponsive
- Blocked numbers still ring through to user
- App blocks all incoming and outgoing calls
- App doesn't appear in iOS Settings > Phone > Call Blocking

**Requested features**

- Support for 10-digit phone numbers (Vietnam and other countries)
- Ability to whitelist/safelist numbers with same prefix
- SMS/text message blocking capability
- Call blocking log with statistics
- Copy and paste functionality for entering numbers


### PrefixBlock

[App page](https://appshunter.io/ios/app/prefixblock-spam-call-filter/id6800204952)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chặn đầu số pro tháng | $0.99 | per month |
| Chặn đầu số pro năm | $4.99 | per year |
| Chặn đầu số trọn đời | $9.99 | one-time |


## Frequently asked questions

### Is Phone Spam Pattern Blocker free?

Phone Spam Pattern Blocker is free to download, with in-app purchases available.

### Is PrefixBlock free?

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

### Do Phone Spam Pattern Blocker or PrefixBlock have ads?

Neither Phone Spam Pattern Blocker nor PrefixBlock shows ads.

### Which is updated more often, Phone Spam Pattern Blocker or PrefixBlock?

Phone Spam Pattern Blocker ships an update every 2 weeks, and PrefixBlock every 3 days. Most recently, Phone Spam Pattern Blocker was updated on October 29, 2026 and PrefixBlock on October 25, 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.*