# Send It! vs Chaos Calendar

The clearest difference is update cadence: Chaos Calendar at every 10 days against Send It!'s every 5 weeks. Send It!'s advantage is ratings volume (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, rating, ads and in-app purchases 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 Send It! against 5.0 for Chaos Calendar. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Send It! ships an update every 5 weeks, Chaos Calendar every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Send It! | Chaos Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/send-it-mtb/id6785335329/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/chaos-calendar/id6791366584/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 33 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matt Thompson](https://appshunter.io/developer/1890301707) | [Chaos Software Group, Inc.](https://appshunter.io/developer/894156724) |

## What reviewers say

### Send It!

[App page](https://appshunter.io/ios/app/send-it-mtb/id6785335329)

This app helps mountain biking teams manage their season. It facilitates team communication, event scheduling, and tracking rider skill development.

**Highlights:** Team communication, Event scheduling, Rider skill tracking, Season management

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

**In-app purchases:** none


### Chaos Calendar

[App page](https://appshunter.io/ios/app/chaos-calendar/id6791366584)

This app syncs your Windows PC appointment data to your iPhone and iPad, keeping your schedule private and accessible across devices. View your events in multiple formats and set reminders for important appointments.

**Highlights:** Syncs Windows PC appointments to iOS, Independent calendar database for privacy, Multiple view options (daily, weekly, monthly), Event reminders via alarms, Share and accept appointments, Filter appointments by group, Link events to contacts

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

**In-app purchases:** none


## Frequently asked questions

### Is Send It! free?

Send It! is free to download, with no in-app purchases.

### Is Chaos Calendar free?

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

### Which has better reviews, Send It! or Chaos Calendar?

Send It! and Chaos Calendar are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Send It! or Chaos Calendar have ads?

Neither Send It! nor Chaos Calendar shows ads.

### Which is updated more often, Send It! or Chaos Calendar?

Send It! ships an update every 5 weeks, and Chaos Calendar every 10 days. Most recently, Send It! was updated on October 31, 2026 and Chaos Calendar on October 31, 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.*