# CPAntonins vs Shared Calendar .

The clearest difference is in-app purchases: CPAntonins at none against Shared Calendar .'s 5. Shared Calendar .'s advantage is update cadence (every 4 months vs every 21 months) and device support. On price and iOS requirement there is nothing between them.

Both are free to download. Shared Calendar . sells 5 in-app purchases, starting at $4.99 per 7 days. CPAntonins asks for nothing beyond the download.

CPAntonins ships an update every 21 months, Shared Calendar . every 4 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CPAntonins | Shared Calendar . |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 21 months | **Every 4 months** |
| Size | 33 MB | 76 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [A.B. TECHNOLOGY - SARL](https://appshunter.io/developer/1528984699) | [Oleksii Danylenko](https://appshunter.io/developer/6794287354) |

## What reviewers say

### CPAntonins

[App page](https://appshunter.io/ios/app/cpantonins/id1673081491)

**In-app purchases:** none


### Shared Calendar .

[App page](https://appshunter.io/ios/app/shared-calendar/id6751322065)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is CPAntonins free?

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

### Is Shared Calendar . free?

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

### Which is updated more often, CPAntonins or Shared Calendar .?

CPAntonins ships an update every 21 months, and Shared Calendar . every 4 months. Most recently, CPAntonins was updated on October 5, 2026 and Shared Calendar . on October 8, 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.*