# OPAS Calendar vs Snapnote

The clearest difference is in-app purchases: OPAS Calendar at none against Snapnote's 1. OPAS Calendar also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Snapnote sells 1 one-off in-app purchase. OPAS Calendar asks for nothing beyond the download.

OPAS Calendar ships an update monthly, Snapnote every 2 months. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OPAS Calendar | Snapnote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (7 ratings)](https://appshunter.io/ios/app/opas-calendar/id898227192/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 9 MB | 93 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OPAS Software GmbH](https://appshunter.io/developer/1704978541) | [Bedirhan Talha Kuzucu](https://appshunter.io/developer/1896706105) |

## What reviewers say

### OPAS Calendar

[App page](https://appshunter.io/ios/app/opas-calendar/id898227192)

This application syncs with the OPAS online system to display your orchestra planning and administration dates on your mobile device. It requires an existing OPAS software license and online access to function.

**Highlights:** View OPAS dates on mobile, Syncs with OPAS online system, Requires OPAS software, Orchestra planning tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Snapnote

[App page](https://appshunter.io/ios/app/snapnote-book-note-taker/id6769990457)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snapnote Premium | $4.99 | one-time |


## Frequently asked questions

### Is OPAS Calendar free?

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

### Is Snapnote free?

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

### Do OPAS Calendar or Snapnote have ads?

Snapnote shows ads; OPAS Calendar does not.

### Which is updated more often, OPAS Calendar or Snapnote?

OPAS Calendar ships an update monthly, and Snapnote every 2 months. Most recently, OPAS Calendar was updated on October 13, 2026 and Snapnote on September 30, 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.*