# כתיבת א vs Math Lock

The clearest difference is price: Math Lock at Free against כתיבת א's $0.99. Math Lock also leads on update cadence (every 3 weeks vs every 22 months). כתיבת א's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Math Lock is free to download; כתיבת א costs $0.99 up front. Math Lock sells 2 in-app purchases, starting at $2.99 per month. כתיבת א asks for nothing beyond the download.

כתיבת א ships an update every 22 months, Math Lock every 3 weeks. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | כתיבת א | Math Lock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/math-lock/id6748890228/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 118 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Orit Kolev](https://appshunter.io/developer/791487838) | [SPARKHIVE TECH LTD](https://appshunter.io/developer/1585011311) |

## What reviewers say

### כתיבת א

[App page](https://appshunter.io/ios/app/id1424985758)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Lock

[App page](https://appshunter.io/ios/app/math-lock/id6748890228)

This app transforms screen time into a learning opportunity for children aged 4-15. It requires solving math problems to unlock the device and offers guided practice, a private tutor, and brain training exercises. Parents can manage screen time while children engage with a fun, curriculum-based math experience.

**Highlights:** Math challenges to unlock device, Curriculum-based math for ages 4-15, Personalized questions by level, Private Tutor with photo solving, Brain training activities, Parental controls

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Lock Premium | $2.99 | per month |
| Math Lock Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is כתיבת א free?

כתיבת א costs $0.99, with no in-app purchases.

### Is Math Lock free?

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

### Do כתיבת א or Math Lock have ads?

Math Lock shows ads; כתיבת א does not.

### Which is updated more often, כתיבת א or Math Lock?

כתיבת א ships an update every 22 months, and Math Lock every 3 weeks. Most recently, כתיבת א was updated on September 7, 2026 and Math Lock on September 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.*