# Notion Calendar vs HearFlow

The clearest difference is in-app purchases: Notion Calendar at none against HearFlow's 3. Notion Calendar also leads on iOS requirement (15.0 vs 17.0). HearFlow's advantage is update cadence (every 5 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. HearFlow sells 3 in-app purchases, starting at $14.00 per month. Notion Calendar asks for nothing beyond the download.

Notion Calendar ships an update fortnightly, HearFlow every 5 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Notion Calendar | HearFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7.7K ratings)](https://appshunter.io/ios/app/notion-calendar/id1607562761/reviews)** | — |
| Number of ratings | **7.7K** | — |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 44 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Notion Labs, Incorporated](https://appshunter.io/developer/1232780280) | [Manuel Rizzo](https://appshunter.io/developer/6793890582) |

## What reviewers say

### 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.)


### HearFlow

[App page](https://appshunter.io/ios/app/hearflow/id6793890580)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HearFlow Pro Monthly | $14.00 | per month |
| HearFlow Pro Yearly | $129.99 | per year |
| HearFlow Pro Lifetime | $229.00 | one-time |


## Frequently asked questions

### Is Notion Calendar free?

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

### Is HearFlow free?

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

### Do Notion Calendar or HearFlow have ads?

Neither Notion Calendar nor HearFlow shows ads.

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

Notion Calendar ships an update fortnightly, and HearFlow every 5 days. Most recently, Notion Calendar was updated on November 2, 2026 and HearFlow on October 25, 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.*