# Calendoc vs Parallask

The clearest difference is update cadence: Calendoc at weekly against Parallask's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calendoc sells 2 one-off in-app purchases and Parallask sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Calendoc ships an update weekly, Parallask monthly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calendoc | Parallask |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 18 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toshiki Izumi](https://appshunter.io/developer/1729717097) | [Shuvam Shrestha](https://appshunter.io/developer/1752129330) |

## What reviewers say

### Calendoc

[App page](https://appshunter.io/ios/app/calendoc-parallel-calendars/id6791646438)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| Calendoc Pro | $19.99 | one-time |


### Parallask

[App page](https://appshunter.io/ios/app/parallask-timeline-planner/id6802533160)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Parallask Max Monthly | $2.99 | per month |
| Parallax Max Annual | $14.99 | per year |
| Parallask Max | $39.99 | one-time |


## Frequently asked questions

### Is Calendoc free?

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

### Is Parallask free?

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

### Do Calendoc or Parallask have ads?

Neither Calendoc nor Parallask shows ads.

### Which is updated more often, Calendoc or Parallask?

Calendoc ships an update weekly, and Parallask monthly. Most recently, Calendoc was updated on October 24, 2026 and Parallask on October 7, 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.*