ContactFlow vs Call Blocker II
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ContactFlow
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.
- Apple Watch App
- Photo Wall View
- Contacts Map
- Birthday Notifications
- Birthdays Widget
- Universal Application
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ContactFlow for iOS will help you rediscover your contacts. Just tap on a contact to display all associated informations. Features : • Apple Watch App • Photo Wall View • Contacts map • List View • Birthdays Widget • Birthday notifications • Source/Group selection • Universal application Official website of ContactFlow http://www.contactflow.fr
Call Blocker II
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Call Blocker II Call Blocker II gives you fast, flexible, and effortless control over unwanted calls. Block spam numbers, manage your personal blacklist, and keep your phone quiet — all with simple gestures and no complicated setup. Whether you want to block a single number or thousands, Call Blocker II makes it easy. Key Features • Built-in USA spam list with 410,000+ known spam numbers • Automatic online updates to keep the spam list current • Manual number blocking with smart auto-correction • Import contacts to your blocklist with a single swipe • Swipe to delete numbers instantly from your blocklist • Checkmark indicators show which contacts are already blocked • Pull-to-refresh for Contacts and Blocklist • Light and Dark mode support • iCloud backup & restore of your blocklist • Local save & restore options • One-tap clear blocklist with immediate effect Easy Setup To start blocking calls, enable Call Blocker II in: Settings → Phone → Call Blocking & Identification Privacy First Access to Contacts is used only to help you quickly import phone numbers into your personal blocklist. Your contacts are never uploaded or shared. Privacy Policy: https://www.appios.pro/callblocker/privacy.php Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ContactFlow | Call Blocker II |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 58.8% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 18 months | Every 4 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.0 | 15 — better |
| Further details — not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Fabien FOULON | Ivaylo Ivanov |
In-app purchases
ContactFlow
No in-app purchases
Call Blocker II
- Premium Access$1.99
Questions
Is ContactFlow free?
Is Call Blocker II free?
Do ContactFlow or Call Blocker II have ads?
Which is updated more often, ContactFlow or Call Blocker II?
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