# calendar& vs One

The clearest difference is ads: One at none against calendar&'s shown. calendar&'s advantage is update cadence (every 5 days vs every 2 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. calendar& sells 1 one-off in-app purchase and One sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for calendar& against 5.0 for One. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

calendar& ships an update every 5 days, One every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | calendar& | One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/calendar-and/id6744389005/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/one-simple-journal/id6761298802/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 102 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [seung won park](https://appshunter.io/developer/1590481207) | [Ryan Bittorf](https://appshunter.io/developer/650449038) |

## What reviewers say

### calendar&

[App page](https://appshunter.io/ios/app/calendar-and/id6744389005)

This app combines scheduling, task management, and journaling with a unique phrase calendar feature. It allows users to set meaningful daily messages, track tasks, and record daily emotions and activities. Premium features offer unlimited lists, entries, and an ad-free experience.

**Highlights:** Phrase calendar with daily messages, Intuitive schedule management, Systematic task management, Emotional diary writing, Customizable badge and font settings, Local and iCloud data storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


### One

[App page](https://appshunter.io/ios/app/one-simple-journal/id6761298802)

This app simplifies journaling by requiring only one sentence per day. It's designed for beginners and busy individuals, offering a calm and focused space to capture daily thoughts and build a reflective habit effortlessly.

**Highlights:** One sentence daily entry, Effortless habit building, No overwhelm or distractions, Timeline of thoughts, Record of daily life, Calm and focused design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Sentence Journal Premium | $2.99 | per month |
| One Sentence Journal Premium | $14.99 | per year |
| One Sentence Journal Premium | $34.99 | one-time |


## Frequently asked questions

### Is calendar& free?

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

### Is One free?

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

### Which has better reviews, calendar& or One?

calendar& and One are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do calendar& or One have ads?

calendar& shows ads; One does not.

### Which is updated more often, calendar& or One?

calendar& ships an update every 5 days, and One every 2 weeks. Most recently, calendar& was updated on November 5, 2026 and One on October 31, 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.*