# EasyWeekNumber vs Clavis

The clearest difference is price: Clavis at Free against EasyWeekNumber's $0.99. Clavis also leads on update cadence (every 5 days vs every 41 months). EasyWeekNumber's advantage is iOS requirement (12.0 vs 16.2). On ads, in-app purchases and device support there is nothing between them.

Clavis is free to download; EasyWeekNumber costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EasyWeekNumber ships an update every 41 months, Clavis every 5 days. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | EasyWeekNumber | Clavis |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/easyweeknumber/id483688780/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 9 MB | 24 MB |
| Requires iOS | **12.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NMS Narcisse Mavoha Solutions Sarl](https://appshunter.io/developer/963941606) | [Pedro Henrique Oliveira Sousa](https://appshunter.io/developer/1875393541) |

## What reviewers say

### EasyWeekNumber

[App page](https://appshunter.io/ios/app/easyweeknumber/id483688780)

This utility app converts Gregorian dates to other calendar systems and calculates week numbers and year-to-date values. It provides a straightforward way to manage date conversions and track progress within a year.

**Highlights:** Gregorian date conversion, Other calendar system support, Week number calculation, Year to date values

**Features:** macOS Compatibility

**In-app purchases:** none


### Clavis

[App page](https://appshunter.io/ios/app/clavis-planetary-clock/id6758866461)

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

**In-app purchases:** none


## Frequently asked questions

### Is EasyWeekNumber free?

EasyWeekNumber costs $0.99, with no in-app purchases.

### Is Clavis free?

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

### Do EasyWeekNumber or Clavis have ads?

Neither EasyWeekNumber nor Clavis shows ads.

### Which is updated more often, EasyWeekNumber or Clavis?

EasyWeekNumber ships an update every 41 months, and Clavis every 5 days. Most recently, EasyWeekNumber was updated on September 17, 2026 and Clavis on September 18, 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.*