# One Calendar vs Year View Planner

The clearest difference is rating: One Calendar at 4.8 against Year View Planner's 2.0. One Calendar also leads on ratings volume (21K vs 1) and iOS requirement (15.0 vs 17.0). Year View Planner's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. One Calendar sells 1 one-off in-app purchase. Year View Planner asks for nothing beyond the download.

One Calendar holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: One Calendar has 21K ratings behind it against 1, so its average is the more settled of the two.

One Calendar ships an update fortnightly, Year View Planner every 2 weeks. The most recent releases landed on October 28, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | One Calendar | Year View Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21K ratings)](https://appshunter.io/ios/app/one-calendar/id1238379385/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/year-view-planner/id6757597694/reviews) |
| Number of ratings | **21K** | 1 |
| Positive reviews | 80.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 89 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 12+ | 4+ |
| Developer | [Code Spark](https://appshunter.io/developer/1238379384) | [Peter Thomson](https://appshunter.io/developer/1864398797) |

## What reviewers say

### One Calendar

[App page](https://appshunter.io/ios/app/one-calendar/id1238379385)

Consolidate all your digital calendars into a single, easy-to-read view. Manage appointments, events, and birthdays from various providers like Google, Outlook, iCloud, and more, all within one application.

**Highlights:** Integrates multiple calendar providers, Easy-to-read overview, Manage appointments and events, View birthdays, Cross-platform availability

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneCalendar premium | $5.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Clean and simple interface
- 👍 Integrates multiple calendars
- 🚀 Syncs across devices
- 👍 Customizable colors and themes

**What reviewers complain about**

- 🐛 Syncing issues
- 🐛 Bugs and glitches
- 🔒 Lacks security features
- 🔋 Drains battery
- 👎 Restrictive features in free version

**Reported bugs**

- Sync errors
- Unresponsive buttons
- Incorrect time zone display
- Duplicate events
- Inability to delete future occurrences of recurring events

**Requested features**

- Multiple reminders for events
- Ability to edit recurring events
- Option to change event calendar after creation
- Printing support
- More customization options


### Year View Planner

[App page](https://appshunter.io/ios/app/year-view-planner/id6757597694)

Visualize your entire year with three distinct calendar layouts: a classic grid, a scrollable continuous view, and a vertical list. Easily scan and manage your annual schedule across multiple Apple devices.

**Highlights:** Three distinct year view layouts, Intuitive grid arrangement, Scrollable continuous year view, Vertical list for mobile scanning, Supports Mac, iPhone, and iPad

**In-app purchases:** none


## Frequently asked questions

### Is One Calendar free?

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

### Is Year View Planner free?

Year View Planner is free to download, with no in-app purchases.

### Which has better reviews, One Calendar or Year View Planner?

One Calendar is rated higher. One Calendar averages 4.8 out of 5 from 21K ratings, while Year View Planner averages 2.0 from 1 ratings.

### Do One Calendar or Year View Planner have ads?

Neither One Calendar nor Year View Planner shows ads.

### Which is updated more often, One Calendar or Year View Planner?

One Calendar ships an update fortnightly, and Year View Planner every 2 weeks. Most recently, One Calendar was updated on October 28, 2026 and Year View Planner on October 19, 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.*