# Math Lock vs RevHubGo

The clearest difference is in-app purchases: RevHubGo at none against Math Lock's 2. RevHubGo also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

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

Math Lock ships an update every 3 weeks, RevHubGo daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Math Lock | RevHubGo |
| --- | --- | --- |
| Price | Free | 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 118 MB | 186 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SPARKHIVE TECH LTD](https://appshunter.io/developer/1585011311) | [Peter Armstrong10509869081](https://appshunter.io/developer/6775187468) |

## What reviewers say

### 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 |


### RevHubGo

[App page](https://appshunter.io/ios/app/revhubgo/id6775187466)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Lock free?

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

### Is RevHubGo free?

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

### Do Math Lock or RevHubGo have ads?

Math Lock shows ads; RevHubGo does not.

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

Math Lock ships an update every 3 weeks, and RevHubGo daily. Most recently, Math Lock was updated on October 30, 2026 and RevHubGo 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.*