# one sec | screen time + focus vs ClassLog

The clearest difference is in-app purchases: ClassLog at none against one sec | screen time + focus's 6. one sec | screen time + focus's advantage is update cadence (every 2 weeks vs monthly) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. one sec | screen time + focus sells 6 in-app purchases, starting at $6.99 per month. ClassLog asks for nothing beyond the download.

one sec | screen time + focus ships an update every 2 weeks, ClassLog monthly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | one sec | screen time + focus | ClassLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24K ratings)](https://appshunter.io/ios/app/one-sec-screen-time-plus-focus/id1532875441/reviews)** | — |
| Number of ratings | **24K** | — |
| Positive reviews | 75.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Freemium | — |
| Size | 367 MB | 21 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [riedel.wtf apps S.L.](https://appshunter.io/developer/517545753) | [明昭 路](https://appshunter.io/developer/1890357342) |

## What reviewers say

### one sec | screen time + focus

[App page](https://appshunter.io/ios/app/one-sec-screen-time-plus-focus/id1532875441)

This app introduces intentional friction to distracting apps and websites, helping users reduce screen time and improve focus. It delays access rather than blocking, promoting long-term behavioral change. Integrates with other apps for enhanced productivity.

**Highlights:** Adds friction to distracting apps, Delays app access instead of blocking, Reduces app usage significantly, Doom Scroll Emergency Brake (Re-Intervention), Free Safari extension for websites, Integrates with other productivity apps

**Features:** Safari Extension, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| one sec pro (1 Month) | $6.99 | per month |
| one sec pro \| Family Plan (1 Month) | $9.99 | per month |
| one sec pro (1 Year) | $19.99 | per year |
| one sec pro \| Family Plan (1 Year) | $29.99 | per year |
| one sec pro \| Lifetime | $99.99 | one-time |
| one sec pro \| Family Lifetime | $149.00 | one-time |

**What reviewers like**

- 🚀 Saves time
- 👍 Helps reduce screen time
- 💡 Customizable interventions
- 👍 Effective at curbing habits
- 👍 Intuitive and easy to use

**What reviewers complain about**

- 🐛 Buggy at times
- 💰 Premium features behind paywall
- 🔒 Concerns about privacy/data collection
- 🔒 Inability to fully disable the app
- 🐛 Inconsistent behavior across apps

**Reported bugs**

- App switching issues
- Interventions not triggering properly
- Inconsistent behavior with shortcuts
- Crashes and freezes on certain devices

**Requested features**

- Ability to block more apps for free
- Customizable intervention timers
- Scheduled app blocking/access
- Passcode protection for settings
- Sync settings across devices


### ClassLog

[App page](https://appshunter.io/ios/app/classlog-attendance-tracker/id6791393409)

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

**In-app purchases:** none


## Frequently asked questions

### Is one sec | screen time + focus free?

one sec | screen time + focus is free to download, with in-app purchases available.

### Is ClassLog free?

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

### Do one sec | screen time + focus or ClassLog have ads?

Neither one sec | screen time + focus nor ClassLog shows ads.

### Which is updated more often, one sec | screen time + focus or ClassLog?

one sec | screen time + focus ships an update every 2 weeks, and ClassLog monthly. Most recently, one sec | screen time + focus was updated on October 14, 2026 and ClassLog 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.*