# Traintek vs Lerf

The clearest difference is update cadence: Lerf at every 5 days against Traintek's every 5 weeks. Lerf also leads on ratings volume (14 vs 3) and iOS requirement (17.0 vs 26.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Traintek against 5.0 for Lerf. Both are backed by a comparable volume of ratings — 3 and 14 respectively.

Traintek ships an update every 5 weeks, Lerf every 5 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Traintek | Lerf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/traintek/id6752672667/reviews) | [5.0 (14 ratings)](https://appshunter.io/ios/app/lerf-screen-time-app-blocker/id6772977644/reviews) |
| Number of ratings | 3 | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 47 MB | 20 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [TrainTek, LLC](https://appshunter.io/developer/1840506891) | [Grant Hergenroeder](https://appshunter.io/developer/1729593612) |

## What reviewers say

### Traintek

[App page](https://appshunter.io/ios/app/traintek/id6752672667)

This platform helps trainers manage clients, scheduling, payments, and communication in one place. It streamlines the entire training workflow, from booking to follow-up, allowing trainers to focus more on coaching.

**Highlights:** Client management, Session scheduling, Payment processing, Direct messaging, Session tracking, Analytics dashboard, AI chat support

**Features:** Apple Wallet

**In-app purchases:** none


### 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:** none


## Frequently asked questions

### Is Traintek free?

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

### Is Lerf free?

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

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

Traintek and Lerf are both rated 5.0 out of 5 on the App Store, from 3 and 14 ratings respectively.

### Do Traintek or Lerf have ads?

Neither Traintek nor Lerf shows ads.

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

Traintek ships an update every 5 weeks, and Lerf every 5 days. Most recently, Traintek was updated on October 6, 2026 and Lerf on October 7, 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.*