LSTclock vs Deferred
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LSTclock
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.
- Local sidereal time display
- Julian Date calculation
- Supports multiple registered locations
- Location sync between iPhone and Apple Watch
- Date and time specific calculations
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LSTclock is an iOS/iPadOS/watchOS app that displays the local sidereal time (LST) at registered location(s). On iOS/iPadOS, it can also calculate LST and Julian Date for any date and time. The list of locations can be synced between iPhone and paired Apple Watch(es).
Deferred
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Deferred helps you manage tasks efficiently by allowing you to set due dates and defer tasks with ease. Stay organized and in control with a simple, intuitive interface and local storage support.
Screenshots
Verdict
The clearest difference is update cadence: Deferred at every 3 days against LSTclock's every 2 months. Deferred also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LSTclock ships an update every 2 months, Deferred every 3 days. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.
| Parameter | LSTclock | Deferred |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (10 ratings) — better | — |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 15 MB | 12 MB |
| Age rating | 4+ | 17+ |
| Developer | Tsuyoshi Sawada | Technowand Pty Ltd |
In-app purchases
LSTclock
No in-app purchases
Deferred
No in-app purchases
Questions
Is LSTclock free?
Is Deferred free?
Do LSTclock or Deferred have ads?
Which is updated more often, LSTclock or Deferred?
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