# Caller Book vs Im

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.

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.

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.

## The numbers

| Metric | Caller Book | Im |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/caller-book/id1493125892/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 101 MB | 3 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [J.M.J](https://appshunter.io/developer/1458704825) | [Igor Stefanyuk](https://appshunter.io/developer/415375302) |

## What reviewers say

### Caller Book

[App page](https://appshunter.io/ios/app/caller-book/id1493125892)

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:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caller Book VIP weekly | $9.99 | per 7 days |
| Caller Book VIP monthly | $24.99 | per month |
| Caller Book ID 50 coins | $0.99 | one-time |
| Caller Book ID 250 coins | $3.99 | one-time |
| Caller Book Remove ads | $4.99 | one-time |
| Caller Book ID 750 coins | $9.99 | one-time |
| Caller Book ID 2000 coins | $19.99 | one-time |
| Caller Book ID 5000 coins | $39.99 | one-time |
| Caller Book ID 20,000 coins | $99.99 | one-time |


### Im

[App page](https://appshunter.io/ios/app/imhere/id6761984992)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*