Comparison

Costan vs Life Clock

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

Head to head

cherish your time

About

Costan

Learn everyday greetings in 14 languages to connect with people worldwide. This app promotes a peaceful, borderless world through simple, friendly communication.

Highlights

Learn greetings in 14 languages
Promotes cross-cultural communication
Focuses on everyday phrases
Aims for a peaceful world
Simple and friendly interface

Features

Read full description

In Costan, you also Cosmopolitan from today! From "Time" and "Hello" First. Acquire the voice of the 14 languages of everyday greeting to dodge with a smile. A peaceful world without boundaries in heart!

About

Life Clock

Features

Read full description

A life clock to remind yourself Alert and introspection Helping you to appreciate your life save your own memory and make a custom memory card

Screenshots

Costan3 screens

Life Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Costan at none against Life Clock's 1. Life Clock's advantage is update cadence (every 10 days vs every 6 weeks) and iOS requirement (13.6 vs 15.6). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Costan ships an update every 6 weeks, Life Clock every 10 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 5 level

Costan versus Life Clock: the parameters behind the verdict, then further details
Parameter	Costan	Life Clock
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 6 weeks	Every 10 days — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.6	13.6 — better
Further details — not scored
Size	7 MB	264 MB
Age rating	4+	9+
Developer	Shinichi Aokawa	Man Hung Sun

In-app purchases

None

Costan

No in-app purchases

1 purchases

Life Clock

One-time1

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Questions

Is Costan free?

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

Is Life Clock free?

Life Clock is free to download, with in-app purchases available.

Do Costan or Life Clock have ads?

Neither Costan nor Life Clock shows ads.

Which is updated more often, Costan or Life Clock?

Costan ships an update every 6 weeks, and Life Clock every 10 days. Most recently, Costan was updated on September 9, 2026 and Life Clock on September 21, 2026.