# Chronogram vs SiCal

The clearest difference is ratings volume: Chronogram at 17 against SiCal's 1. SiCal's advantage is iOS requirement (13.0 vs 15.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Chronogram against 5.0 for SiCal. That said, the two scores are not equally well evidenced: Chronogram has 17 ratings behind it against 1, so its average is the more settled of the two.

Chronogram ships an update every 2 weeks, SiCal every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chronogram | SiCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (17 ratings)](https://appshunter.io/ios/app/chronogram-create-moments/id1527207090/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sical/id6779240309/reviews) |
| Number of ratings | **17** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 37 MB | 33 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Chronogram LLC (U.S.)](https://appshunter.io/developer/1527207092) | [Mitchell May](https://appshunter.io/developer/1540640823) |

## What reviewers say

### Chronogram

[App page](https://appshunter.io/ios/app/chronogram-create-moments/id1527207090)

This app facilitates collaborative event planning and sharing for both individuals and organizations. It allows users to discover and connect with events, manage personal schedules, and helps organizations engage their audience by publishing events directly to followers' calendars.

**Highlights:** Collaborative event creation, Event sharing and discovery, Personal event scheduling, Organization event publishing, Follow organizations of interest, Minimize scheduling conflicts

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

**In-app purchases:** none


### SiCal

[App page](https://appshunter.io/ios/app/sical/id6779240309)

This private calendar app utilizes a decentralized network for secure storage and management of your schedule. It allows for event creation, organization across multiple calendars, and import of existing files, all without requiring a traditional account. Your data is secured by a recovery phrase for easy restoration and control.

**Highlights:** Decentralized calendar storage, Event creation and organization, Multiple calendar management, ICS file import, Event reminders and alerts, Restore access with recovery phrase

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

**In-app purchases:** none


## Frequently asked questions

### Is Chronogram free?

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

### Is SiCal free?

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

### Which has better reviews, Chronogram or SiCal?

Chronogram and SiCal are both rated 5.0 out of 5 on the App Store, from 17 and 1 ratings respectively.

### Do Chronogram or SiCal have ads?

Neither Chronogram nor SiCal shows ads.

### Which is updated more often, Chronogram or SiCal?

Chronogram ships an update every 2 weeks, and SiCal every 9 days. Most recently, Chronogram was updated on October 24, 2026 and SiCal on October 25, 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.*