# Shared Calendar vs Promiso

The clearest difference is ads: Shared Calendar at none against Promiso's shown. Promiso's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Shared Calendar sells 3 in-app purchases, starting at $1.99 per 7 days and Promiso sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Shared Calendar ships an update weekly, Promiso every 11 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Shared Calendar | Promiso |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/shared-calendar-clanplan/id6475178746/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 61.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Freemium | — |
| Size | 57 MB | 46 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GRAPP LLP](https://appshunter.io/developer/1801956495) | [GOKHAN HEPSEN](https://appshunter.io/developer/1863241015) |

## What reviewers say

### Shared Calendar

[App page](https://appshunter.io/ios/app/shared-calendar-clanplan/id6475178746)

This app helps families, couples, and friends coordinate schedules, manage tasks, and share locations. It offers a shared calendar, to-do lists with assignments, and real-time location tracking for enhanced organization and communication.

**Highlights:** Shared calendar synchronization, Task and chore assignment, Real-time location tracking, Place alerts for arrivals/departures, Group chat functionality, Shared location map, Private group spaces

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $34.99 | per year |


### Promiso

[App page](https://appshunter.io/ios/app/promiso/id6756845679)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $24.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Shared Calendar free?

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

### Is Promiso free?

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

### Do Shared Calendar or Promiso have ads?

Promiso shows ads; Shared Calendar does not.

### Which is updated more often, Shared Calendar or Promiso?

Shared Calendar ships an update weekly, and Promiso every 11 days. Most recently, Shared Calendar was updated on October 27, 2026 and Promiso on October 28, 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.*