# May Calendar vs SiNota

The clearest difference is in-app purchases: SiNota at none against May Calendar's 1. SiNota also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. May Calendar sells 1 one-off in-app purchase. SiNota asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | May Calendar | SiNota |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (40 ratings)](https://appshunter.io/ios/app/may-calendar/id1579147803/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 56.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 49 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Motoki Takahashi](https://appshunter.io/developer/1411233238) | [BluCloud Srl Semplificata](https://appshunter.io/developer/914061639) |

## What reviewers say

### May Calendar

[App page](https://appshunter.io/ios/app/may-calendar/id1579147803)

This app offers a comprehensive view of your schedule, displaying all events on a monthly calendar with customizable time and location details. Manage multiple calendars, use templates for quick event registration, and personalize your view with custom colors and fonts.

**Highlights:** Display all schedules on monthly view, Manage multiple calendar sets, Register schedules with templates, 20 types of customizable widgets, Filter events by keywords, Set event background colors and patterns, Customizable notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $7.99 | one-time |


### SiNota

[App page](https://appshunter.io/ios/app/sinota/id6743710063)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is May Calendar free?

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

### Is SiNota free?

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

### Do May Calendar or SiNota have ads?

May Calendar shows ads; SiNota does not.

### Which is updated more often, May Calendar or SiNota?

May Calendar ships an update every 3 weeks, and SiNota every 3 weeks. Most recently, May Calendar was updated on October 22, 2026 and SiNota on October 24, 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.*