Comparison

Caller Book vs Who Called Plus

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

Who Called Plus

Organize your calls, contacts, and device information in one smart application. Manage call logs, tag numbers as spam or trusted, and set birthday reminders. Gain insights into device battery, storage, and screen time usage.

Highlights
  • Contact and call log management
  • Spam and trust tagging
  • Birthday reminders
  • Call notes and context
  • Real-time device insights
  • Screen time tracking and limits
Features
Read full description

Manage your calls, contacts, and device insights — all in one smart app. This app helps you organize and manage your calls with rich contact details, smart tagging, and advanced call insights. Mark trusted contacts and set birthday reminders while viewing real-time device information such as battery level, storage usage, and total contacts count. Designed for clarity and convenience, everything works together to keep you well organized. Contact & Call Log Management - Add, save and delete contact details - Save call history with date, time, duration, and status - Attach photos to contacts for easy identification Communication Made Easy - Call and video call contacts directly - Send messages with a single tap Spam & Trust Tagging - Tag numbers as Spam, Neutral, or Trusted - Maintain a separate spam list Birthday Reminders - Add birthday details to contacts - Get reminders so you never miss an important day Call Notes & Context - Add important notes per call - Store call purpose, urgency level, and category - Track disconnect reasons and background noise Device & System Insights - View current battery level in real time - View available storage Screen Time Logs - Add app names and log time spent per app - Track usage by date for better insights - Set daily screen time limits to manage app usage Call Summary - View answered and missed calls by status - See spam-tagged calls count added by you - View top contacts based on saved call entries Privacy & Security - All data is added by the user - Contacts and information are stored locally on the device

Screenshots

Caller Book4 screens
Who Called Plus4 screens

Verdict

The call

The clearest difference is rating: Caller Book at 4.3 against Who Called Plus's 1.0. Caller Book also leads on ratings volume (9 vs 1) and device support (3 vs 1). Who Called Plus's advantage is in-app purchases (none vs 9) and update cadence (every 4 days vs every 9 days). On price, ads and iOS requirement 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. Who Called Plus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Caller Book holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Caller Book has 9 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Caller Book ships an update every 9 days, Who Called Plus every 4 days. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Caller Book versus Who Called Plus: the parameters behind the verdict, then further details
ParameterCaller BookWho Called Plus
PriceFreeFree
Rating4.3 (9 ratings) — better1.0 (1 ratings)
Positive reviews—0.0% of reviews
Number of ratings9 — better1
Update frequencyEvery 9 daysEvery 4 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.6
Further details — not scored
Size101 MB19 MB
Age rating4+4+
DeveloperJ.M.JRemya R Nair

Customer experience

Caller Book

All ratings9 ratings
Positive77.8%
Neutral11.1%
Negative11.1%

Who Called Plus

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

Who Called Plus

No in-app purchases

Questions

Is Caller Book free?
Caller Book is free to download, with in-app purchases available.
Is Who Called Plus free?
Who Called Plus is free to download, with no in-app purchases.
Which has better reviews, Caller Book or Who Called Plus?
Caller Book is rated higher. Caller Book averages 4.3 out of 5 from 9 ratings, while Who Called Plus averages 1.0 from 1 ratings.
Do Caller Book or Who Called Plus have ads?
Both Caller Book and Who Called Plus show ads.
Which is updated more often, Caller Book or Who Called Plus?
Caller Book ships an update every 9 days, and Who Called Plus every 4 days. Most recently, Caller Book was updated on October 24, 2026 and Who Called Plus on October 24, 2026.

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