# picocalc vs Calendar 365

The clearest difference is rating: picocalc at 5.0 against Calendar 365's 2.9. picocalc also leads on review sentiment (66% vs 28%) and monetization model (free vs free with in-app purchases). Calendar 365's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 16 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. picocalc sells 1 one-off in-app purchase and Calendar 365 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

picocalc holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Calendar 365 has 51 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 66% of picocalc's written reviews are positive against 28% of Calendar 365's.

picocalc ships an update every 16 months, Calendar 365 every 2 weeks. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | picocalc | Calendar 365 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/picocalc/id284740333/reviews)** | [2.9 (51 ratings)](https://appshunter.io/ios/app/calendar-365/id386310028/reviews) |
| Number of ratings | 3 | **51** |
| Positive reviews | **65.6% of reviews** | 27.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 1 MB |
| Requires iOS | 17.6 | **4.3** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [NO WOO KYOUNG](https://appshunter.io/developer/352275899) |

## What reviewers say

### picocalc

[App page](https://appshunter.io/ios/app/picocalc/id284740333)

This app displays a single number on your home screen badge, which can be set, added to, or subtracted from. It's a minimalist tool for quick numerical reminders. Negative numbers and zero are not displayed on the badge.

**Highlights:** Set a number, Add to number, Subtract from number, Home screen badge display, Hides zero and negative numbers

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Calendar 365

[App page](https://appshunter.io/ios/app/calendar-365/id386310028)

This app offers a comprehensive calendar experience with lunar views, contact birthday reminders, and yearly overviews. Users can personalize the background and view the clock directly within the app. It also provides iPad support.

**Highlights:** Lunar View, Contact birthday and anniversary support, Yearly View, Customizable background image, Clock display, iPad Support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendar 365 Upgrade | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear numbers
- 👍 Good for basic calendar needs
- 👍 Useful for lunar calendar
- 👍 Customizable backgrounds

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Slow performance
- 🐛 Ads obscure content
- 🐛 Incorrect holiday dates
- 🐛 Incompatible with iOS updates

**Reported bugs**

- App crashes immediately after opening
- App freezes when choosing events in settings
- Lost all data after update
- App does not open after update
- Holidays are on the wrong dates

**Requested features**

- Add ability to flip month to month
- View all events by month
- Keep holiday dates correctly
- View in landscape mode
- Better clock


## Frequently asked questions

### Is picocalc free?

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

### Is Calendar 365 free?

Calendar 365 is free to download, with in-app purchases available.

### Which has better reviews, picocalc or Calendar 365?

picocalc is rated higher. picocalc averages 5.0 out of 5 from 3 ratings, while Calendar 365 averages 2.9 from 51 ratings.

### Do picocalc or Calendar 365 have ads?

picocalc shows ads; Calendar 365 does not.

### Which is updated more often, picocalc or Calendar 365?

picocalc ships an update every 16 months, and Calendar 365 every 2 weeks. Most recently, picocalc was updated on October 25, 2026 and Calendar 365 on October 23, 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.*