# Week number app vs GemRed Instruments

The clearest difference is ads: GemRed Instruments at none against Week number app's shown. GemRed Instruments also leads on iOS requirement (12.0 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Week number app ships an update every 9 days, GemRed Instruments every 10 days. The most recent releases landed on September 11, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Week number app | GemRed Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Ad-supported | — |
| Size | 18 MB | 34 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Lukleo](https://appshunter.io/developer/1770712001) | [GemRed](https://appshunter.io/developer/1279222567) |

## What reviewers say

### Week number app

[App page](https://appshunter.io/ios/app/week-number-app/id6738779215)

Displays the current week number along with the start and end dates for any given week. Easily navigate through weeks to view their corresponding dates. Includes a home screen widget for quick access to the current week number.

**Highlights:** Displays current week number, Shows week start and end dates, Easy week browsing, Home screen widget, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### GemRed Instruments

[App page](https://appshunter.io/ios/app/gemred-instruments/id6754753413)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Week number app free?

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

### Is GemRed Instruments free?

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

### Do Week number app or GemRed Instruments have ads?

Week number app shows ads; GemRed Instruments does not.

### Which is updated more often, Week number app or GemRed Instruments?

Week number app ships an update every 9 days, and GemRed Instruments every 10 days. Most recently, Week number app was updated on September 11, 2026 and GemRed Instruments on September 16, 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.*