# Lock In vs Krin

The clearest difference is update cadence: Lock In at weekly against Krin's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lock In sells 9 in-app purchases, starting at $2.99 per 7 days and Krin sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Lock In ships an update weekly, Krin every 3 weeks. The most recent releases landed on October 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Lock In | Krin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/lock-in-app-lock-focus-timer/id6742712899/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 71 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [MARCUS ALEXANDER DOMANN](https://appshunter.io/developer/1790957370) | [Hayk Dallakyan](https://appshunter.io/developer/1817411364) |

## What reviewers say

### Lock In

[App page](https://appshunter.io/ios/app/lock-in-app-lock-focus-timer/id6742712899)

This app helps you block distracting applications and manage your daily tasks with a built-in Pomodoro timer and planner. It guides you through setting goals, planning your day, and focusing on what matters to improve productivity and reduce screen time.

**Highlights:** App Lock & Blocker, Pomodoro Focus Timer, Smart Daily Planner, Task Vault & To-Do List, Distraction Diagnosis, Digital Detox Mode

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock-In Premium | $2.99 | per 7 days |
| Lock-In Premium | $6.99 | per month |
| Premium | $17.99 | per year |
| Lock-In Premium | $19.99 | per year |
| Lock-In Premium | $19.99 | per year |
| Lock-In Premium | $39.99 | per year |
| Lock In - Lifetime Access | $19.99 | one-time |
| Lock-In Premium Lifetime | $24.99 | one-time |
| Lock-In Premium Lifetime | $49.99 | one-time |


### Krin

[App page](https://appshunter.io/ios/app/krin-homework-planner-ai/id6786366056)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Krin Premium | $4.99 | per month |
| Krin Premium (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Lock In free?

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

### Is Krin free?

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

### Do Lock In or Krin have ads?

Neither Lock In nor Krin shows ads.

### Which is updated more often, Lock In or Krin?

Lock In ships an update weekly, and Krin every 3 weeks. Most recently, Lock In was updated on October 24, 2026 and Krin on September 29, 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.*