# Preteens vs Math Lock

The clearest difference is rating: Preteens at 5.0 against Math Lock's 1.0. Preteens also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Math Lock sells 2 in-app purchases, starting at $2.99 per month. Preteens asks for nothing beyond the download.

Preteens holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Preteens ships an update every 5 days, Math Lock every 3 weeks. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Preteens | Math Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/preteens/id1254351683/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/math-lock/id6748890228/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 118 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bilyak Consulting](https://appshunter.io/developer/1254351682) | [SPARKHIVE TECH LTD](https://appshunter.io/developer/1585011311) |

## What reviewers say

### Preteens

[App page](https://appshunter.io/ios/app/preteens/id1254351683)

This educational app offers a fun and engaging way for primary school students aged 4-12 to learn. It covers core subjects based on the Nigerian curriculum, with offline access to lessons and quizzes. The app features a step-by-step learning path and rewards for quiz completion.

**Highlights:** Offline course material access, Nigerian curriculum coverage, Interactive lessons and quizzes, Step-by-step learning pathway, Rewards for quiz completion, 8 subjects available, Content grouped by grade

**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 Preteens free?

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

### Is Math Lock free?

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

### Which has better reviews, Preteens or Math Lock?

Preteens is rated higher. Preteens averages 5.0 out of 5 from 2 ratings, while Math Lock averages 1.0 from 1 ratings.

### Do Preteens or Math Lock have ads?

Math Lock shows ads; Preteens does not.

### Which is updated more often, Preteens or Math Lock?

Preteens ships an update every 5 days, and Math Lock every 3 weeks. Most recently, Preteens was updated on September 17, 2026 and Math Lock on September 26, 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.*