# MathLock vs MokDI

The clearest difference is in-app purchases: MokDI at none against MathLock's 2. MokDI also leads on update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MathLock sells 2 in-app purchases, starting at $2.99 per 7 days. MokDI asks for nothing beyond the download.

MathLock ships an update fortnightly, MokDI every 3 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MathLock | MokDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathlock-math-games-app-lock/id6780355702/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 44 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hamid Mahmood Siddiqui](https://appshunter.io/developer/1880368904) | [Mokdi, MB](https://appshunter.io/developer/6807303702) |

## What reviewers say

### MathLock

[App page](https://appshunter.io/ios/app/mathlock-math-games-app-lock/id6780355702)

This app transforms screen time into educational math practice. It uses quick math games to unlock distracting apps, helping users reduce mindless scrolling and improve their math skills. Features adaptive difficulty and progress tracking.

**Highlights:** Math game app lock, Reduces distracting app usage, Five different math games, Adaptive difficulty levels, Streak tracking and XP, Emergency unlock option

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathLock Pro | $2.99 | per 7 days |
| MathLock Pro Lifetime | $29.99 | one-time |


### MokDI

[App page](https://appshunter.io/ios/app/mokdi/id6807303700)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathLock free?

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

### Is MokDI free?

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

### Do MathLock or MokDI have ads?

Neither MathLock nor MokDI shows ads.

### Which is updated more often, MathLock or MokDI?

MathLock ships an update fortnightly, and MokDI every 3 days. Most recently, MathLock was updated on October 14, 2026 and MokDI on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*