# QualityStudy vs Notion Calendar

The clearest difference is update cadence: Notion Calendar at every 11 days against QualityStudy's every 5 weeks. QualityStudy's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

QualityStudy ships an update every 5 weeks, Notion Calendar every 11 days. The most recent releases landed on May 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | QualityStudy | Notion Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (7.2K ratings)](https://appshunter.io/ios/app/notion-calendar/id1607562761/reviews)** |
| Number of ratings | — | **7.2K** |
| Positive reviews | — | 38.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 11 days** |
| Monetization | — | Free |
| Size | 18 MB | 41 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNICUS Co., Ltd.](https://appshunter.io/developer/295442842) | [Notion Labs, Incorporated](https://appshunter.io/developer/1232780280) |

## What reviewers say

### QualityStudy

[App page](https://appshunter.io/ios/app/qualitystudy/id767125531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Notion Calendar

[App page](https://appshunter.io/ios/app/notion-calendar/id1607562761)

Manage your schedule and events with a unified view across multiple calendars. Integrate with your Notion workspace to link documents and projects directly to your events. Offers customizable widgets for quick access to upcoming appointments and event details.

**Highlights:** Deep Google Calendar integration, Connect Notion docs and projects, Multiple time zone support, Unified calendar view, Home and Lock Screen widgets, Available in 12 languages

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth and fast
- 🔒 Robust security features
- 👍 Clean and intuitive UI
- 👍 Great integration with Notion
- 👍 Helpful widgets

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔍 Limited calendar views (only 3-day)
- 🔍 No iPad support
- 🔍 Only supports Google Calendar integration
- 🔍 Unreliable syncing and updating

**Reported bugs**

- App crashes when trying to add events
- Syncing issues causing events to disappear or display incorrectly
- Time zone issues leading to incorrect event times
- Widgets not updating properly

**Requested features**

- Add monthly and weekly calendar views
- Integrate with more calendar providers (Microsoft, Apple, etc.)
- Improve iPad compatibility and optimize for larger screens
- Add task management and to-do list functionality
- Enhance customization options (colors, themes, etc.)


## Frequently asked questions

### Is QualityStudy free?

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

### Is Notion Calendar free?

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

### Do QualityStudy or Notion Calendar have ads?

Neither QualityStudy nor Notion Calendar shows ads.

### Which is updated more often, QualityStudy or Notion Calendar?

QualityStudy ships an update every 5 weeks, and Notion Calendar every 11 days. Most recently, QualityStudy was updated on May 16, 2026 and Notion Calendar on September 26, 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.*