Comparison

LSTclock vs Custom Word Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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).

About

Custom Word Clock

This app offers a unique way to tell time using words instead of numbers. Customize phrases, colors, and fonts to create a personalized word-based clock widget for your device's home or lock screen.

Highlights
  • Displays time in words
  • Customizable phrases
  • Widget for home/lock screen
  • Adjustable text size
  • Background color options
  • Custom prefix and suffix
Features
Read full description

Break away from ordinary clock faces and numerical displays. TextTime revolutionizes time-telling by presenting time in words, not numbers. Experience the fun and engaging benefits of a word-based clock widget. With TextTime, telling time becomes an enjoyable and interactive part of your day. Watch as your clock transforms into a unique expression of words, bringing a fresh and personalized touch to your device. Enjoy the elegance of a minimalist design that communicates time in a human-friendly format, making every glance at your clock a delightful experience. Tell time your way. Customize the formatting of the time as you desire, and the app will remember your choices. Personalize your clock with settings for Zero Phrase, Morning Phrase, and Afternoon Phrase, allowing you to infuse each moment with your unique flair. Effortlessly add prefixes and suffixes to further tailor your time displays to perfection. With TextTime, time isn't just measured—it's expressed in your own words. Download TextTime now and embrace a new era of timekeeping, where words take center stage and transform how you perceive time! Free Features: - Switch between 12/24-hour time - Adjust text size - Add as a widget to your Home or Lock Screen Premium Features: - Change background color - Set custom prefix and suffix - Customize morning, afternoon, and night phrases - Change text color, font, boldness, justification, and casing Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LSTclock4 screens
Custom Word Clock4 screens

Verdict

The call

The clearest difference is review sentiment: Custom Word Clock at 100% against LSTclock's 55%. Custom Word Clock also leads on rating (5.0 vs 3.8) and update cadence (every 2 weeks vs every 2 months). LSTclock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Custom Word Clock sells 1 one-off in-app purchase. LSTclock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Custom Word Clock holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews point the same way: 55% of LSTclock's written reviews are positive against 100% of Custom Word Clock's.

UpkeepUpdate frequency

LSTclock ships an update every 2 months, Custom Word Clock every 2 weeks. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 3 level
LSTclock versus Custom Word Clock: the parameters behind the verdict, then further details
ParameterLSTclockCustom Word Clock
PriceFreeFree
Rating3.8 (10 ratings)5.0 (4 ratings) — better
Positive reviews54.5% of reviews100.0% of reviews — better
Number of ratings10 — better4
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro — better
Requires iOS17.017.0
Further details — not scored
Size15 MB8 MB
Age rating4+4+
DeveloperTsuyoshi SawadaDaniel Gauthier

Customer experience

LSTclock

All ratings10 ratings
Positive60.0%
Neutral10.0%
Negative30.0%
Written reviews11 reviews
Positive54.5%
Neutral18.2%
Negative27.3%

Custom Word Clock

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

LSTclock

No in-app purchases

1 purchases

Custom Word Clock

One-time1
  • Super Customization$2.99

Questions

Is LSTclock free?
LSTclock is free to download, with no in-app purchases.
Is Custom Word Clock free?
Custom Word Clock is free to download, with in-app purchases available.
Which has better reviews, LSTclock or Custom Word Clock?
Custom Word Clock is rated higher. LSTclock averages 3.8 out of 5 from 10 ratings, while Custom Word Clock averages 5.0 from 4 ratings.
Do LSTclock or Custom Word Clock have ads?
Custom Word Clock shows ads; LSTclock does not.
Which is updated more often, LSTclock or Custom Word Clock?
LSTclock ships an update every 2 months, and Custom Word Clock every 2 weeks. Most recently, LSTclock was updated on September 9, 2026 and Custom Word Clock on September 22, 2026.

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