# LSTclock vs @Beat

The clearest difference is rating: @Beat at 4.4 against LSTclock's 3.8. @Beat also leads on review sentiment (82% vs 55%). LSTclock's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (18.0 vs 26.0). On price, ratings volume, 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.

@Beat holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 10 and 18 respectively. Written reviews point the same way: 55% of LSTclock's written reviews are positive against 82% of @Beat's.

LSTclock ships an update every 2 months, @Beat every 5 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | LSTclock | @Beat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (10 ratings)](https://appshunter.io/ios/app/lstclock-sidereal-time-clock/id1510148631/reviews) | **[4.4 (18 ratings)](https://appshunter.io/ios/app/beat-internet-time/id1570173118/reviews)** |
| Number of ratings | 10 | **18** |
| Positive reviews | 54.5% of reviews | **82.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 22 MB | 4 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Sawada](https://appshunter.io/developer/1510148630) | [Julien Mulot](https://appshunter.io/developer/412946685) |

## What reviewers say

### LSTclock

[App page](https://appshunter.io/ios/app/lstclock-sidereal-time-clock/id1510148631)

This utility app displays local sidereal time for registered locations on iOS, iPadOS, and watchOS. It can also calculate sidereal time and Julian Date for any date and time, and sync locations between devices.

**Highlights:** Local sidereal time display, Julian Date calculation, Supports multiple registered locations, Location sync between iPhone and Apple Watch, Date and time specific calculations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### @Beat

[App page](https://appshunter.io/ios/app/beat-internet-time/id1570173118)

This app displays and converts Swatch Internet Time (.beat time) across your Apple devices. It allows you to set alarms and notifications based on this unique time system, which divides the day into 1000 beats.

**Highlights:** Display .beat time, Convert local time to .beat time, Convert .beat time to local time, Set .beat time alarms, Set .beat time notifications, Supports iPhone, Apple Watch, and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LSTclock free?

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

### Is @Beat free?

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

### Which has better reviews, LSTclock or @Beat?

@Beat is rated higher. LSTclock averages 3.8 out of 5 from 10 ratings, while @Beat averages 4.4 from 18 ratings.

### Do LSTclock or @Beat have ads?

Neither LSTclock nor @Beat shows ads.

### Which is updated more often, LSTclock or @Beat?

LSTclock ships an update every 2 months, and @Beat every 5 months. Most recently, LSTclock was updated on October 24, 2026 and @Beat on October 20, 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.*