# OPAS Calendar vs Starchive

The clearest difference is review sentiment: Starchive at 59% against OPAS Calendar's 0%. Starchive also leads on rating (4.5 vs 1.7) and ratings volume (182 vs 7). OPAS Calendar's advantage is iOS requirement (11.0 vs 14). On price, update cadence, 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.

Starchive holds the better App Store score, 4.5 against 1.7. That said, the two scores are not equally well evidenced: Starchive has 182 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 0% of OPAS Calendar's written reviews are positive against 59% of Starchive's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | OPAS Calendar | Starchive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (7 ratings)](https://appshunter.io/ios/app/opas-calendar/id898227192/reviews) | **[4.5 (182 ratings)](https://appshunter.io/ios/app/starchive/id1480291489/reviews)** |
| Number of ratings | 7 | **182** |
| Positive reviews | 0.0% of reviews | **59.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 9 MB | 21 MB |
| Requires iOS | **11.0** | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPAS Software GmbH](https://appshunter.io/developer/1704978541) | [Digital Relab](https://appshunter.io/developer/1143270787) |

## 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


### Starchive

[App page](https://appshunter.io/ios/app/starchive/id1480291489)

This cloud-based digital asset management solution helps businesses and creators preserve, organize, and access their files. It offers instant organization with auto-tags, curated collections, and secure cloud storage.

**Highlights:** Cloud digital asset management, Auto-tagging for organization, Curated collections, Easy file sharing, Fast browser uploads, Secure cloud storage

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OPAS Calendar free?

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

### Is Starchive free?

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

### Which has better reviews, OPAS Calendar or Starchive?

Starchive is rated higher. OPAS Calendar averages 1.7 out of 5 from 7 ratings, while Starchive averages 4.5 from 182 ratings.

### Do OPAS Calendar or Starchive have ads?

Neither OPAS Calendar nor Starchive shows ads.

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

OPAS Calendar ships an update monthly, and Starchive monthly. Most recently, OPAS Calendar was updated on October 24, 2026 and Starchive on October 23, 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.*