# Phone Spam Pattern Blocker vs CallDam

The clearest difference is in-app purchases: CallDam at none against Phone Spam Pattern Blocker's 1. On price and iOS requirement there is nothing between them.

Both are free to download. Phone Spam Pattern Blocker sells 1 one-off in-app purchase. CallDam asks for nothing beyond the download.

## The numbers

| Metric | Phone Spam Pattern Blocker | CallDam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (218 ratings)](https://appshunter.io/ios/app/phone-spam-pattern-blocker/id1389985517/reviews)** | — |
| Number of ratings | **218** | — |
| Positive reviews | 42.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 9 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Apparent Logic, LLC](https://appshunter.io/developer/314496791) | [Valentina Prossapchuk](https://appshunter.io/developer/1895013467) |

## 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

**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


### CallDam

[App page](https://appshunter.io/ios/app/calldam/id6768055786)

**In-app purchases:** none


## Frequently asked questions

### Is Phone Spam Pattern Blocker free?

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

### Is CallDam free?

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

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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.*