# Costan vs Life Clock

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.

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

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.

## The numbers

| Metric | Costan | Life Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 7 MB | 264 MB |
| Requires iOS | 15.6 | **13.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Shinichi Aokawa](https://appshunter.io/developer/502862033) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### Costan

[App page](https://appshunter.io/ios/app/costan/id843202309)

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:** Vision Pro support

**In-app purchases:** none


### Life Clock

[App page](https://appshunter.io/ios/app/life-clock-reminders/id1547563205)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertisement Remove | $0.99 | one-time |


## Frequently asked 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.

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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.*