# sem Mongol vs Lockmind

The clearest difference is update cadence: sem Mongol at every 2 days against Lockmind's every 5 months. sem Mongol also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

sem Mongol ships an update every 2 days, Lockmind every 5 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | sem Mongol | Lockmind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 months |
| Size | 34 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Logistic](https://appshunter.io/developer/1552157482) | [Efe Turkel](https://appshunter.io/developer/1844086664) |

## What reviewers say

### sem Mongol

[App page](https://appshunter.io/ios/app/sem-mongol/id6478454260)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lockmind

[App page](https://appshunter.io/ios/app/lockmind/id6753627625)

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

**In-app purchases:** none


## Frequently asked questions

### Is sem Mongol free?

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

### Is Lockmind free?

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

### Do sem Mongol or Lockmind have ads?

Neither sem Mongol nor Lockmind shows ads.

### Which is updated more often, sem Mongol or Lockmind?

sem Mongol ships an update every 2 days, and Lockmind every 5 months. Most recently, sem Mongol was updated on October 10, 2026 and Lockmind on October 5, 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.*