Comparison

Call Todo vs AdressBook

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Call Todo

This app helps sales representatives manage call-backs and track call history for short-term projects. Easily create contacts from your clipboard and organize them by project with color-coding. Make calls and send emails directly from the app.

Highlights
  • Create contacts from clipboard
  • Project-based contact management
  • Call history tracking
  • Direct calling and emailing
  • Color-coded project organization
  • Full-text search
Features
Read full description

You are a sales representative receiving numerous calls and you find it hard to remember at the end of each day who called you and whom you need to call back. You do not want to overload your address book with contacts for short-term projects. This app will support you with your daily business. It enables you to take notes about your calls and return calls directly from your app. Copy phone numbers from the Apple phone app to the clipboard and open our app “Call Todo”. A new contact will be created automatically. There is no simpler way to do this. Features: - Creating contacts using a phone number from the clipboard - Project-related management of contacts - For each contact a history of events can be compiled. - Filter for projects, calls to do and full text search - Project management using colors - Direct calls to contacts in the app - Direct e-mails from the app - Adding of contacts to address book 'Call Todo' offers the same functionality as 'Call Todo Pro' but it displays advertisements.

About

AdressBook

Features
Read full description

Easily and clearly manage members, families, and events – the app for clubs, communities, and groups. The address book app offers a powerful and easy-to-use solution for organizing your members – ideal for clubs, church communities, fraternities, and similar organizations. Manage people, families, and events conveniently in one central place – flexible and secure on iPhone, iPad, and Mac. Family-oriented member management Automatic grouping of families based on name, address, and phone number Distinction between parents and children, with clear sorting within the family Shared addresses: changes are automatically applied to all family members Complete recording of all personal data, including photos, phone numbers, and email addresses Personal notes and membership information (e.g., date of joining) Powerful search and filter functions Real-time search across names, addresses, cities, and more Smart filters and clear presentation of results in family groups Address support with autocomplete via OpenStreetMap Direct connection to Apple Maps and Google Maps for navigation Integrated calendar for your organization Monthly overview of all events at a glance Categorization of events (e.g., community, school, fraternity) Support for multi-day events Integration of school holidays (state-specific) and public holidays Private events with iCloud synchronization across your own devices PDF export for creating appealing calendar overviews, easily shareable via email and other apps Data security and flexible synchronization Access protection via PIN as well as Face ID / Touch ID Different permission levels for administrators and users Data backup and restore via JSON export/import Synchronization via WebDAV server – ideal for secure shared access within your club or group Automatic server backups with timestamp Local data storage and encrypted transmission for maximum security User-friendly and flexible Setup assistant for a quick start, including WebDAV setup and PIN creation Demo data for easy testing and first steps Direct phone call and email integration from within the app Dark mode and customizable colors for calendar categories Role display for family members (father, mother, child) – can be shown or hidden as desired Optimized display for iPhone, iPad (with split view), and Mac (with keyboard and mouse support) Perfect for your organization Whether it’s a small club, church community, fraternity, or another group – this app helps you stay on top of your members, family structures, and events. The clear, family-focused organization, combined with a powerful event calendar and versatile export options, makes this app the ideal companion for everyday life in your organization. Simple. Secure. Clear. Rethinking member management.

Screenshots

Call Todo4 screens
AdressBook4 screens

Verdict

The call

The clearest difference is update cadence: AdressBook at every 9 months against Call Todo's every 52 months. Call Todo's advantage is iOS requirement (13.0 vs 17.5). On price, ads, in-app purchases and 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Call Todo ships an update every 52 months, AdressBook every 9 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level
Call Todo versus AdressBook: the parameters behind the verdict, then further details
ParameterCall TodoAdressBook
PriceFreeFree
Rating3.5 (2 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 52 monthsEvery 9 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better17.5
Further details — not scored
Size15 MB4 MB
Age rating4+12+
DeveloperOliver KuehneAlbert Frank

In-app purchases

None

Call Todo

No in-app purchases

None

AdressBook

No in-app purchases

Questions

Is Call Todo free?
Call Todo is free to download, with no in-app purchases.
Is AdressBook free?
AdressBook is free to download, with no in-app purchases.
Do Call Todo or AdressBook have ads?
Neither Call Todo nor AdressBook shows ads.
Which is updated more often, Call Todo or AdressBook?
Call Todo ships an update every 52 months, and AdressBook every 9 months. Most recently, Call Todo was updated on October 10, 2026 and AdressBook on October 9, 2026.

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