# LocknLearn vs NTN SafetyOne

The clearest difference is ads: NTN SafetyOne at none against LocknLearn's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. LocknLearn sells 2 in-app purchases, starting at $9.99 per 7 days and NTN SafetyOne sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

LocknLearn ships an update every 8 days, NTN SafetyOne weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LocknLearn | NTN SafetyOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Weekly** |
| Size | 78 MB | 41 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Duong Chien](https://appshunter.io/developer/1550501408) | [Nha Nguyen Trong](https://appshunter.io/developer/1878569908) |

## What reviewers say

### LocknLearn

[App page](https://appshunter.io/ios/app/locknlearn-focus-and-study/id6746131935)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $9.99 | per 7 days |
| Premium Yearly | $49.99 | per year |


### NTN SafetyOne

[App page](https://appshunter.io/ios/app/ntn-safetyone/id6759429809)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $2.99 | per year |
| Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is LocknLearn free?

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

### Is NTN SafetyOne free?

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

### Do LocknLearn or NTN SafetyOne have ads?

LocknLearn shows ads; NTN SafetyOne does not.

### Which is updated more often, LocknLearn or NTN SafetyOne?

LocknLearn ships an update every 8 days, and NTN SafetyOne weekly. Most recently, LocknLearn was updated on October 26, 2026 and NTN SafetyOne on October 25, 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.*