# Numberbook True Caller vs CallGenius

The clearest difference is rating: CallGenius at 4.7 against Numberbook True Caller's 1.0. CallGenius also leads on ads (none vs shown) and ratings volume (42 vs 4). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Numberbook True Caller sells 1 one-off in-app purchase and CallGenius sells 2 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CallGenius holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: CallGenius has 42 ratings behind it against 4, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Numberbook True Caller | CallGenius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/numberbook-true-caller/id6444601287/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/callgenius/id6450162268/reviews)** |
| Number of ratings | 4 | **42** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 74 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SILVERSKY TECHNOLOGY](https://appshunter.io/developer/1567194760) | [InnoCore Limited](https://appshunter.io/developer/1684184883) |

## What reviewers say

### Numberbook True Caller

[App page](https://appshunter.io/ios/app/numberbook-true-caller/id6444601287)

Instantly identify unknown callers and search for contact information using a vast database. Find names from numbers or numbers from names, and save important contacts with a single click. Supports worldwide searches and country-specific filtering.

**Highlights:** Identify unknown callers, Search by name or number, Find phone numbers from names, Find names from phone numbers, Save contacts easily, Bookmark search results, Worldwide number search

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Caller ID Lookup | $2.99 | one-time |


### CallGenius

[App page](https://appshunter.io/ios/app/callgenius/id6450162268)

Instantly identify unknown callers and retrieve contact details by entering any phone number. Access a global database and utilize an AI assistant for further information. Manage your subscription easily through account settings.

**Highlights:** Reverse phone lookup, Identify caller names, Retrieve contact details, Global number database, AI assistant for info, Subscription management

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CallGenius PRO | $8.99 | per 7 days |
| CallGenius PRO | $38.99 | per year |


## Frequently asked questions

### Is Numberbook True Caller free?

Numberbook True Caller is free to download, with in-app purchases available.

### Is CallGenius free?

CallGenius is free to download, with in-app purchases available.

### Which has better reviews, Numberbook True Caller or CallGenius?

CallGenius is rated higher. Numberbook True Caller averages 1.0 out of 5 from 4 ratings, while CallGenius averages 4.7 from 42 ratings.

### Do Numberbook True Caller or CallGenius have ads?

Numberbook True Caller shows ads; CallGenius does not.

### Which is updated more often, Numberbook True Caller or CallGenius?

Numberbook True Caller ships an update monthly, and CallGenius monthly. Most recently, Numberbook True Caller was updated on November 3, 2026 and CallGenius on November 3, 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.*