# Nano Timekeeper vs Locked

The clearest difference is update cadence: Locked at every 2 weeks against Nano Timekeeper's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nano Timekeeper ships an update every 4 months, Locked every 2 weeks. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Nano Timekeeper | Locked |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/locked-less-screen-time/id6742744610/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 1 MB | 17 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Casino](https://appshunter.io/developer/1651133406) | [SocialMate Pty Ltd](https://appshunter.io/developer/1799698906) |

## What reviewers say

### Nano Timekeeper

[App page](https://appshunter.io/ios/app/nano-timekeeper/id6471913403)

**Features:** macOS Compatibility

**In-app purchases:** none


### Locked

[App page](https://appshunter.io/ios/app/locked-less-screen-time/id6742744610)

This app uses a physical NFC tag to create friction and help you break phone addiction. Set app limits and lock them until you scan the tag, encouraging focus and reducing distractions.

**Highlights:** NFC-powered physical tag app blocker, Deep Focus Mode with no override, Customizable app blocking, Works with Apple Screen Time API, Minimal interface for easy setup, No data collection or cloud sync

**In-app purchases:** none


## Frequently asked questions

### Is Nano Timekeeper free?

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

### Is Locked free?

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

### Do Nano Timekeeper or Locked have ads?

Neither Nano Timekeeper nor Locked shows ads.

### Which is updated more often, Nano Timekeeper or Locked?

Nano Timekeeper ships an update every 4 months, and Locked every 2 weeks. Most recently, Nano Timekeeper was updated on October 18, 2026 and Locked on October 13, 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.*