# J vs Linsnet Telecom

The clearest difference is update cadence: J at every 3 weeks against Linsnet Telecom's every 6 months. Linsnet Telecom's advantage is iOS requirement (15.1 vs 18.0). 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.

J ships an update every 3 weeks, Linsnet Telecom every 6 months. Both last shipped on November 12, 2026.

## The numbers

| Metric | J | Linsnet Telecom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/j-notes-lock-screen-notes/id1634043414/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 2 MB | 37 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robert Libsansky](https://appshunter.io/developer/1634043416) | [Eduardo Felipe Silva de Amorim](https://appshunter.io/developer/1723531705) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-notes-lock-screen-notes/id1634043414)

Capture and secure your thoughts with a note-taking app that keeps your information private and accessible. Write or draw notes, set reminders, and even place them on your Home Screen widgets. Your data remains offline and protected by Face ID or Touch ID.

**Highlights:** Write or draw notes, Set reminders and notifications, Lock notes with Face ID/Touch ID, Home Screen and Lock Screen widgets, Offline functionality, Color-coding and tagging, Location-based notes

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

**In-app purchases:** none


### Linsnet Telecom

[App page](https://appshunter.io/ios/app/linsnet-telecom/id6476233094)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is J free?

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

### Is Linsnet Telecom free?

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

### Do J or Linsnet Telecom have ads?

Neither J nor Linsnet Telecom shows ads.

### Which is updated more often, J or Linsnet Telecom?

J ships an update every 3 weeks, and Linsnet Telecom every 6 months. Most recently, J was updated on November 12, 2026 and Linsnet Telecom on November 12, 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.*