Comparison

Caller Book vs Im

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

Head to head
About

Caller Book

Discover local professionals and services instantly with AI-powered search and a tag-based directory. For professionals, it's a way to get discovered by clients. Features include global caller ID and business profiles.

Highlights
  • AI-powered search
  • Tag-based directory
  • Global caller ID
  • Business profiles
  • VIP access for unlimited searches
  • Reverse number search
Features
Read full description

Caller Book: AI Service Finder & Directory. Discover people, find local services, and grow your business instantly with Caller Book AI. Caller Book is your new community business directory and smart Caller ID. Unlike traditional contact apps, we use AI-powered search to connect customers with the right professionals in seconds. Whether you need a contractor or want to be found by new clients, Caller Book makes it effortless. For Customers: How can I find a service? Stop asking friends for phone numbers. Simply use our AI Search to type what you need—like "Electrician," "Plumber," "Personal Trainer," or "Graphic Designer." Caller Book scans thousands of registered tags to show you a list of trusted professionals near you, complete with contact details. For Professionals: How can I get more clients? Make your phone number work for you. Register your number on Caller Book and add Tags that describe your skills (e.g., "Mechanic," "Web Developer," "Tutor"). When users search for those tags, your profile appears instantly, helping you get discovered by people who need your expertise right now. Key Features: AI-Powered Search: Find any person or service by name, phone number, or profession using our advanced AI algorithms. Tag-Based Directory: Search by specific job titles or skills. Looking for a "Photographer" or "Contractor"? Just type the tag to see all matching professionals. Global Caller ID: Identify unknown business numbers and see who is calling before you answer. Includes reverse number search functionality. Business Profile: Turn your phone number into a business card. Add your job description and services so clients can find you easily. VIP Access: Unlock unlimited searches, view expanded profile info, and access direct contact details like email addresses. Join the community where your phone number is your business card. Register today, add your service tags, and let the people who need your expertise connect with you in seconds. Download Caller Book now. Why people love Caller Book: • Fast AI search by number, name, or tag. • Perfect for finding service providers or clients. • Easy to use and available worldwide. Caller Book VIP Plans: • Unlimited search by Name and Number • Get the VIP crown sign next to your name. • Search by email & unlock friends info. • Show more results in every search. Subscriptions and Trials: Kickstart your journey with a 3-day free trial of Caller Book VIP, choosing from auto-subscriptions below: Caller Book VIP: weekly for 9.99$ or monthly for 24.99$ Payment for these subscriptions will be charged to your Apple account. Subscriptions automatically renew, and your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or turn off auto-renewal at any time by adjusting your settings in the App Store. Please note that no cancellation of the current subscription is allowed during the active subscription period. Privacy and Support: • Privacy Policy: https://caller-book.com/privacy/ • Terms of Use: https://caller-book.com/terms/ • Support: softjmj@gmail.com

About

Im

Features
Read full description

Im:Here lets you send a quick message with your location to family and friends in just one tap. No accounts, no tracking, no complicated setup - just fast, simple communication when it matters. **HOW IT WORKS** 1. Add your trusted contacts (Mom, Dad, partner, friend) 2. Set up quick actions like "I'm fine", "From here with love", "On my way", "Pick me up", or "Need help now" 3. Tap once - a pre-filled message with your location and a map link is ready to send That's it. The recipient gets a standard SMS or iMessage with your status, a street address, a timestamp, and an Apple Maps link. They don't need any app installed. **PERFECT FOR** - Parents who want a simple way for their kids to check in - Anyone walking alone at night who wants quick access to "send my location" - Families coordinating pickups from school, practice, or events - Travelers letting loved ones know they arrived safely - Anyone who's tired of typing "I'm here" and fumbling with map screenshots **FEATURES** - One-tap location messages via SMS or iMessage - Five pre-defined actions: "I'm fine" - let someone know you're okay "From here with love" - share your city or favorite spot with a personal touch "On my way" - signal that you're heading toward someone "Pick me up" - request a ride with your exact location "Need help now" - send an urgent call for help - Home Screen widget - send a message without even opening the app - Lock Screen widget - fastest possible access, no unlock needed - Siri Shortcuts - say "Hey Siri, I'm fine" to trigger a message - Back Tap support - double or triple-tap the back of your iPhone - Action Button support (iPhone 15 Pro and later) - Reverse-geocoded street address and nearby landmarks included in every message - Apple Maps link for one-tap navigation to your location - Timestamp proves when the message was sent, not just received - iCloud sync - your contacts and actions carry over to new devices - Works fully offline - iCloud is optional - No account required. No tracking. No backend. **PRIVACY FIRST** Im:Here has no backend, no servers, no analytics. Your data stays on your device (and optionally in your private iCloud). Location is only accessed the moment you tap an action - never in the background. The app requests only the permissions it needs, only when it needs them. **LANGUAGES** Available in English, German, Ukrainian, and Spanish.

Screenshots

Caller Book4 screens
Im3 screens

Verdict

The call

The clearest difference is in-app purchases: Im at none against Caller Book's 9. Im also leads on ads (none vs shown). Caller Book's advantage is iOS requirement (15.6 vs 18.6). On price, update cadence 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. Caller Book sells 9 in-app purchases, starting at $9.99 per 7 days. Im asks for nothing beyond the download.

UpkeepUpdate frequency

Caller Book ships an update every 9 days, Im every 8 days. The most recent releases landed on October 3, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 6 level
Caller Book versus Im: the parameters behind the verdict, then further details
ParameterCaller BookIm
PriceFreeFree
Rating4.3 (9 ratings) — better—
Number of ratings9 — better—
Update frequencyEvery 9 daysEvery 8 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.6
Further details — not scored
Size101 MB3 MB
Age rating4+4+
DeveloperJ.M.JIgor Stefanyuk

In-app purchases

9 purchases

Caller Book

Subscriptions2
  • Caller Book VIP weekly3 Days trial$9.997 Days
  • Caller Book VIP monthly3 Days trial$24.991 Month
One-time7
  • Caller Book ID 50 coins$0.99
  • Caller Book ID 250 coins$3.99
  • Caller Book Remove ads$4.99
Show 4 more
  • Caller Book ID 750 coins$9.99
  • Caller Book ID 2000 coins$19.99
  • Caller Book ID 5000 coins$39.99
  • Caller Book ID 20,000 coins$99.99
None

Im

No in-app purchases

Questions

Is Caller Book free?
Caller Book is free to download, with in-app purchases available.
Is Im free?
Im is free to download, with no in-app purchases.
Do Caller Book or Im have ads?
Caller Book shows ads; Im does not.
Which is updated more often, Caller Book or Im?
Caller Book ships an update every 9 days, and Im every 8 days. Most recently, Caller Book was updated on October 3, 2026 and Im on September 18, 2026.

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