# Alto Shared Time Calendar vs Simple Vertical Calendar Notes

The clearest difference is review sentiment: Simple Vertical Calendar Notes at 50% against Alto Shared Time Calendar's 0%. Simple Vertical Calendar Notes also leads on in-app purchases (none vs 4) and ratings volume (6 vs 2). Alto Shared Time Calendar's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Alto Shared Time Calendar sells 4 one-off in-app purchases. Simple Vertical Calendar Notes asks for nothing beyond the download.

Alto Shared Time Calendar holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews complicate that: 0% of Alto Shared Time Calendar's written reviews are positive against 50% of Simple Vertical Calendar Notes's, so the app with the better star average is not the one people write more warmly about.

Alto Shared Time Calendar ships an update every 5 days, Simple Vertical Calendar Notes weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Alto Shared Time Calendar | Simple Vertical Calendar Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/alto-shared-time-calendar/id6670268848/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/simple-vertical-calendar-notes/id6748967655/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | Free |
| Size | 13 MB | 30 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [System Operator LLC](https://appshunter.io/developer/1847669767) | [Naoyuki Rikiji](https://appshunter.io/developer/1465757389) |

## What reviewers say

### Alto Shared Time Calendar

[App page](https://appshunter.io/ios/app/alto-shared-time-calendar/id6670268848)

Easily create a shared calendar that shows your availability as busy or free. Share this summary calendar with others to let them know when you're available, or view their availability to coordinate plans.

**Highlights:** Create summary Busy/Free calendar, Share availability with others, View others' availability, Integrates all your calendars, Coordinate plans easily

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A thank you | $2.99 | one-time |
| A thank you | $4.99 | one-time |
| Alto Calendar Pro | $5.99 | one-time |
| A thank you | $9.99 | one-time |


### Simple Vertical Calendar Notes

[App page](https://appshunter.io/ios/app/simple-vertical-calendar-notes/id6748967655)

This app offers a clear and intuitive way to manage your daily schedule. Easily switch between a monthly grid and a chronological list view, with features like holiday support and flexible recurring events.

**Highlights:** Switchable grid and list views, Holiday calendar support, Flexible recurring events, Powerful search function, Intuitive design, Color-coded events

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

**In-app purchases:** none


## Frequently asked questions

### Is Alto Shared Time Calendar free?

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

### Is Simple Vertical Calendar Notes free?

Simple Vertical Calendar Notes is free to download, with no in-app purchases.

### Which has better reviews, Alto Shared Time Calendar or Simple Vertical Calendar Notes?

Alto Shared Time Calendar is rated higher. Alto Shared Time Calendar averages 5.0 out of 5 from 2 ratings, while Simple Vertical Calendar Notes averages 4.7 from 6 ratings.

### Do Alto Shared Time Calendar or Simple Vertical Calendar Notes have ads?

Neither Alto Shared Time Calendar nor Simple Vertical Calendar Notes shows ads.

### Which is updated more often, Alto Shared Time Calendar or Simple Vertical Calendar Notes?

Alto Shared Time Calendar ships an update every 5 days, and Simple Vertical Calendar Notes weekly. Most recently, Alto Shared Time Calendar was updated on October 27, 2026 and Simple Vertical Calendar Notes 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.*