# LSTclock vs Touch

The clearest difference is rating: Touch at 4.7 against LSTclock's 3.8. Touch also leads on review sentiment (75% vs 55%) and update cadence (fortnightly vs every 2 months). 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.

Touch holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 10 and 7 respectively. Written reviews point the same way: 55% of LSTclock's written reviews are positive against 75% of Touch's.

LSTclock ships an update every 2 months, Touch fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | LSTclock | Touch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (10 ratings)](https://appshunter.io/ios/app/lstclock-sidereal-time-clock/id1510148631/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/touch-n-stars/id6744902856/reviews)** |
| Number of ratings | **10** | 7 |
| Positive reviews | 54.5% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 22 MB | 41 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Sawada](https://appshunter.io/developer/1510148630) | [Johannes Maier](https://appshunter.io/developer/1809834961) |

## 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


### Touch

[App page](https://appshunter.io/ios/app/touch-n-stars/id6744902856)

Control your astrophotography sessions remotely from your mobile device or Mac. Manage imaging, focus, guiding, and polar alignment. This open-source tool enhances your workflow without ads or in-app purchases.

**Highlights:** Remote imaging session launch, Focus control, Guiding performance monitoring, Three Point Polar Alignment, Connected device control, Open source

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LSTclock free?

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

### Is Touch free?

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

### Which has better reviews, LSTclock or Touch?

Touch is rated higher. LSTclock averages 3.8 out of 5 from 10 ratings, while Touch averages 4.7 from 7 ratings.

### Do LSTclock or Touch have ads?

Neither LSTclock nor Touch shows ads.

### Which is updated more often, LSTclock or Touch?

LSTclock ships an update every 2 months, and Touch fortnightly. Most recently, LSTclock was updated on October 24, 2026 and Touch on October 24, 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.*