# LSTclock vs MAX Daylight

The clearest difference is rating: MAX Daylight at 4.9 against LSTclock's 3.8. MAX Daylight also leads on review sentiment (94% vs 55%) and update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MAX Daylight holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: MAX Daylight has 62 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 55% of LSTclock's written reviews are positive against 94% of MAX Daylight's.

LSTclock ships an update every 2 months, MAX Daylight every 2 weeks. The most recent releases landed on September 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | LSTclock | MAX Daylight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (10 ratings)](https://appshunter.io/ios/app/lstclock-sidereal-time-clock/id1510148631/reviews) | **[4.9 (62 ratings)](https://appshunter.io/ios/app/max-daylight/id1617201197/reviews)** |
| Number of ratings | 10 | **62** |
| Positive reviews | 54.5% of reviews | **93.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 32 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Sawada](https://appshunter.io/developer/1510148630) | [Stephen Mykytyn](https://appshunter.io/developer/1591280176) |

## 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


### MAX Daylight

[App page](https://appshunter.io/ios/app/max-daylight/id1617201197)

Track remaining daylight and receive sunset notifications. Explore solar data globally, compare locations, and generate reports. Calculate distances to the Equator and poles.

**Highlights:** Real-time sunset time, Sunset notifications, Global sunrise/sunset monitoring, Location comparison, Distance to Equator/Poles, Solar data reports

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

**In-app purchases:** none


## Frequently asked questions

### Is LSTclock free?

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

### Is MAX Daylight free?

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

### Which has better reviews, LSTclock or MAX Daylight?

MAX Daylight is rated higher. LSTclock averages 3.8 out of 5 from 10 ratings, while MAX Daylight averages 4.9 from 62 ratings.

### Do LSTclock or MAX Daylight have ads?

Neither LSTclock nor MAX Daylight shows ads.

### Which is updated more often, LSTclock or MAX Daylight?

LSTclock ships an update every 2 months, and MAX Daylight every 2 weeks. Most recently, LSTclock was updated on September 26, 2026 and MAX Daylight on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*