# OnlyWeekNo. vs Week #

The clearest difference is in-app purchases: Week # at none against OnlyWeekNo.'s 1. Week # also leads on ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. OnlyWeekNo. sells 1 one-off in-app purchase. Week # asks for nothing beyond the download.

OnlyWeekNo. ships an update every 2 months, Week # every 9 days. The most recent releases landed on September 17, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | OnlyWeekNo. | Week # |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/week-simple-week-number/id6756376196/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 4 MB | 3 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Takenori Kabeya](https://appshunter.io/developer/289913597) | [Morning Mark LLC](https://appshunter.io/developer/1860336517) |

## What reviewers say

### OnlyWeekNo.

[App page](https://appshunter.io/ios/app/onlyweekno/id6448488587)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Advertising | $0.49 | one-time |


### Week #

[App page](https://appshunter.io/ios/app/week-simple-week-number/id6756376196)

Quickly find the current week number with a clean and fast interface. This app offers an ad-free experience with no data collection or tracking. Customize the week start day for your convenience.

**Highlights:** Instant week number display, Minimalistic interface, Ad-free experience, Zero data collection, Customizable week start day

**In-app purchases:** none


## Frequently asked questions

### Is OnlyWeekNo. free?

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

### Is Week # free?

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

### Do OnlyWeekNo. or Week # have ads?

OnlyWeekNo. shows ads; Week # does not.

### Which is updated more often, OnlyWeekNo. or Week #?

OnlyWeekNo. ships an update every 2 months, and Week # every 9 days. Most recently, OnlyWeekNo. was updated on September 17, 2026 and Week # on July 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*