# Week Calendar + vs QMOS

The clearest difference is in-app purchases: QMOS at none against Week Calendar +'s 8. QMOS also leads on iOS requirement (15.6 vs 17.0). Week Calendar +'s advantage is update cadence (fortnightly vs every 26 months). On price, ads and device support there is nothing between them.

Both are free to download. Week Calendar + sells 6 in-app purchases, starting at $0.99 per month. QMOS asks for nothing beyond the download.

Week Calendar + ships an update fortnightly, QMOS every 26 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Week Calendar + | QMOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/week-calendar-plus/id886122259/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 26 months |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 21 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MobilePioneers](https://appshunter.io/developer/332625575) | [OS Websolutions B.V.](https://appshunter.io/developer/933171742) |

## What reviewers say

### Week Calendar +

[App page](https://appshunter.io/ios/app/week-calendar-plus/id886122259)

Instantly view your entire week's schedule with appointments organized clearly. Quickly add new events and sync with your existing calendars. Ideal for managing personal and family plans with a simple, clear overview.

**Highlights:** Clear week view, Quick appointment adding, Swipeable week navigation, Default settings, Sync with existing calendars, iPhone and iPad support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Monthly | $1.99 | per month |
| Yearly | $2.99 | per year |
| Yearly | $3.99 | per year |
| Yearly | $7.99 | per year |
| Yearly | $12.99 | per year |


### QMOS

[App page](https://appshunter.io/ios/app/qmos/id1349214650)

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

**In-app purchases:** none


## Frequently asked questions

### Is Week Calendar + free?

Week Calendar + is free to download, with in-app purchases available.

### Is QMOS free?

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

### Do Week Calendar + or QMOS have ads?

Neither Week Calendar + nor QMOS shows ads.

### Which is updated more often, Week Calendar + or QMOS?

Week Calendar + ships an update fortnightly, and QMOS every 26 months. Most recently, Week Calendar + was updated on November 2, 2026 and QMOS on November 6, 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.*