# ContactFlow vs Call Blocker II

The clearest difference is price: Call Blocker II at Free against ContactFlow's $0.99. Call Blocker II also leads on update cadence (every 4 months vs every 18 months) and iOS requirement (15 vs 17.0). ContactFlow's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Call Blocker II is free to download; ContactFlow costs $0.99 up front. Call Blocker II sells 1 one-off in-app purchase. ContactFlow asks for nothing beyond the download.

ContactFlow ships an update every 18 months, Call Blocker II every 4 months. The most recent releases landed on August 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ContactFlow | Call Blocker II |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/contactflow/id931378221/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 5 MB | 7 MB |
| Requires iOS | 17.0 | **15** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fabien FOULON](https://appshunter.io/developer/296570792) | [Ivaylo Ivanov](https://appshunter.io/developer/1023127210) |

## What reviewers say

### ContactFlow

[App page](https://appshunter.io/ios/app/contactflow/id931378221)

This utility app offers a new way to view and manage your contacts. It provides a photo wall, map view, and birthday notifications to help you rediscover your connections. Available on iPhone, iPad, and Apple Watch.

**Highlights:** Apple Watch App, Photo Wall View, Contacts Map, Birthday Notifications, Birthdays Widget, Universal Application

**Features:** macOS Compatibility

**In-app purchases:** none


### Call Blocker II

[App page](https://appshunter.io/ios/app/call-blocker-ii/id1611605943)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | one-time |


## Frequently asked questions

### Is ContactFlow free?

ContactFlow costs $0.99, with no in-app purchases.

### Is Call Blocker II free?

Call Blocker II is free to download, with in-app purchases available.

### Do ContactFlow or Call Blocker II have ads?

Call Blocker II shows ads; ContactFlow does not.

### Which is updated more often, ContactFlow or Call Blocker II?

ContactFlow ships an update every 18 months, and Call Blocker II every 4 months. Most recently, ContactFlow was updated on August 15, 2026 and Call Blocker II on September 13, 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.*