# Kaira vs Parenyx

The clearest difference is iOS requirement: Parenyx at 15.0 against Kaira's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Kaira sells 2 in-app purchases, starting at $4.99 per month and Parenyx sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Kaira ships an update every 10 days, Parenyx every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Kaira | Parenyx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/parenyx-child-development/id6774195695/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 3 MB | 50 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spartak Kagramanyan](https://appshunter.io/developer/1891936181) | [Ivan Zaletaev](https://appshunter.io/developer/6774195907) |

## What reviewers say

### Kaira

[App page](https://appshunter.io/ios/app/kaira-math/id6761885184)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaira: Math Premium | $4.99 | per month |
| Kaira: Math Premium | $29.99 | per year |


### Parenyx

[App page](https://appshunter.io/ios/app/parenyx-child-development/id6774195695)

This app provides daily, personalized activities and expert AI-driven advice for parents of children aged 3-12. It helps foster confidence, kindness, and responsibility through goal-setting, task tracking, and instant answers to parenting challenges.

**Highlights:** Personalized daily activities, AI assistant for parenting questions, Goal setting and tracking, Progress reports, Customizable child profiles, Habit building

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChildFocus Premium Monthly | $9.99 | per month |
| ChildFocus Premium Yearly | $79.99 | per year |


## Frequently asked questions

### Is Kaira free?

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

### Is Parenyx free?

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

### Do Kaira or Parenyx have ads?

Neither Kaira nor Parenyx shows ads.

### Which is updated more often, Kaira or Parenyx?

Kaira ships an update every 10 days, and Parenyx every 5 days. Most recently, Kaira was updated on October 31, 2026 and Parenyx on October 31, 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.*