# Lockn vs ByWhen

The clearest difference is in-app purchases: Lockn at none against ByWhen's 2. ByWhen's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ByWhen sells 2 in-app purchases, starting at $4.99 per month. Lockn asks for nothing beyond the download.

Lockn ships an update every 2 months, ByWhen every 3 days. The most recent releases landed on September 30, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Lockn | ByWhen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lockn/id6757657449/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 8 MB | 8 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Mylon](https://appshunter.io/developer/1868107158) | [NiONlite LLC](https://appshunter.io/developer/1891899842) |

## What reviewers say

### Lockn

[App page](https://appshunter.io/ios/app/lockn/id6757657449)

This app helps students focus by disabling distracting applications during study sessions. It integrates with campus tap stations to initiate and end focused work periods. Users can track their study history and engage with classmates through friend and leaderboard features.

**Highlights:** Disable distracting apps, Integrates with campus tap stations, Track study session history, Friends and leaderboard features, Promotes phone-free study

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

**In-app purchases:** none


### ByWhen

[App page](https://appshunter.io/ios/app/bywhen-deadline-planner/id6778767584)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is Lockn free?

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

### Is ByWhen free?

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

### Do Lockn or ByWhen have ads?

Neither Lockn nor ByWhen shows ads.

### Which is updated more often, Lockn or ByWhen?

Lockn ships an update every 2 months, and ByWhen every 3 days. Most recently, Lockn was updated on September 30, 2026 and ByWhen on September 18, 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.*