# Lerf vs 67

The clearest difference is monetization model: Lerf at free against 67's free with in-app purchases. Lerf also leads on ratings volume (15 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Lerf sells 5 in-app purchases, starting at $3.99 per 7 days and 67 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Lerf against 5.0 for 67. That said, the two scores are not equally well evidenced: Lerf has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Lerf ships an update every 5 days, 67 every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Lerf | 67 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (15 ratings)](https://appshunter.io/ios/app/lerf-screen-time-app-blocker/id6772977644/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/67-app-blocker/id6813799876/reviews) |
| Number of ratings | **15** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 48 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grant Hergenroeder](https://appshunter.io/developer/1729593612) | [LI BING JUN](https://appshunter.io/developer/1845657835) |

## What reviewers say

### Lerf

[App page](https://appshunter.io/ios/app/lerf-screen-time-app-blocker/id6772977644)

This app helps you regain control of your screen time by blocking distracting applications during specific periods. It offers flexible blocking modes and ambient sounds to support relaxation, study, or sleep. The focus is on protecting your time and peace without intrusive tracking.

**Highlights:** Block distracting apps, Set custom session timers, Easy and Strict blocking modes, Ambient soundscapes, Designed for minimal interaction, Protect personal time

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lerf Weekly | $3.99 | per 7 days |
| Lerf Monthly | $12.99 | per month |
| Lerf Monthly | $14.99 | per month |
| Lerf Annual | $39.99 | per year |
| Lerf Yearly | $79.99 | per year |


### 67

[App page](https://appshunter.io/ios/app/67-app-blocker/id6813799876)

This app helps you break free from mindless scrolling by requiring a physical gesture to unlock your phone. Choose which apps to block and set custom blocking durations. A free version offers one blocked app, while a premium subscription unlocks unlimited apps and advanced features.

**Highlights:** Gesture-based app unlocking, Customizable app blocking, Set blocking durations, Unlimited app blocking (premium), Website blocking (premium), Private by design, No ads

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 67+ Monthly | $4.99 | per month |
| 67+ Annual | $19.99 | per year |
| 67+ Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Lerf free?

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

### Is 67 free?

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

### Which has better reviews, Lerf or 67?

Lerf and 67 are both rated 5.0 out of 5 on the App Store, from 15 and 1 ratings respectively.

### Do Lerf or 67 have ads?

Neither Lerf nor 67 shows ads.

### Which is updated more often, Lerf or 67?

Lerf ships an update every 5 days, and 67 every 4 days. Most recently, Lerf was updated on October 31, 2026 and 67 on October 31, 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.*