# HowWow vs Kayf

The clearest difference is in-app purchases: HowWow at none against Kayf's 1. HowWow also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Kayf's advantage is update cadence (every 5 days vs every 11 days). On price and ads there is nothing between them.

Both are free to download. Kayf sells 1 one-off in-app purchase. HowWow asks for nothing beyond the download.

HowWow ships an update every 11 days, Kayf every 5 days. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | HowWow | Kayf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/howwow-how-things-work/id6736943726/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 145 MB | 18 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anushank Dagar](https://appshunter.io/developer/1773970406) | [Tariq Al-aqrabawi](https://appshunter.io/developer/1877383192) |

## What reviewers say

### HowWow

[App page](https://appshunter.io/ios/app/howwow-how-things-work/id6736943726)

This AI-powered learning companion engages students in grades 6-12 through real-time voice conversations. It employs a Socratic method, guiding users to discover concepts independently and reinforcing learning with instant questions and gamified elements.

**Highlights:** Real-time voice interaction, Socratic teaching approach, Instant concept reinforcement, Gamified learning experience, Multiple AI tutor personalities, Covers full school syllabus

**Features:** macOS Compatibility

**In-app purchases:** none


### Kayf

[App page](https://appshunter.io/ios/app/kayf-how-things-work/id6813402468)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kayf Pro | $4.99 | one-time |


## Frequently asked questions

### Is HowWow free?

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

### Is Kayf free?

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

### Do HowWow or Kayf have ads?

Neither HowWow nor Kayf shows ads.

### Which is updated more often, HowWow or Kayf?

HowWow ships an update every 11 days, and Kayf every 5 days. Most recently, HowWow was updated on October 2, 2026 and Kayf on October 9, 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.*