# Who is Calling vs OINVOKIDS

The clearest difference is iOS requirement: OINVOKIDS at 13.0 against Who is Calling's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Who is Calling ships an update every 3 months, OINVOKIDS every 2 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Who is Calling | OINVOKIDS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 25 MB | 115 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aydin UNAL](https://appshunter.io/developer/1298750211) | [Arslanlar Grup Gida Telekom Sanayi Ticaret ve Pazarlama Anonim Sirketi](https://appshunter.io/developer/1619740682) |

## What reviewers say

### Who is Calling

[App page](https://appshunter.io/ios/app/who-is-calling-learn-caller/id6443437401)

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

**In-app purchases:** none


### OINVOKIDS

[App page](https://appshunter.io/ios/app/oinvokids/id6742878285)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Who is Calling free?

Who is Calling is free to download, with no in-app purchases.

### Is OINVOKIDS free?

OINVOKIDS is free to download, with no in-app purchases.

### Do Who is Calling or OINVOKIDS have ads?

Neither Who is Calling nor OINVOKIDS shows ads.

### Which is updated more often, Who is Calling or OINVOKIDS?

Who is Calling ships an update every 3 months, and OINVOKIDS every 2 months. Most recently, Who is Calling was updated on October 9, 2026 and OINVOKIDS on October 11, 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.*