# RefOps vs Diamond Chalk

The clearest difference is in-app purchases: RefOps at none against Diamond Chalk's 2. Diamond Chalk's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.5). On price and ads there is nothing between them.

Both are free to download. Diamond Chalk sells 2 in-app purchases, starting at $9.99 per month. RefOps asks for nothing beyond the download.

## The numbers

| Metric | RefOps | Diamond Chalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/refops/id6776402391/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 1 MB | 15 MB |
| Requires iOS | 26.5 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SARAH LYNNE FRANTZ](https://appshunter.io/developer/6776402394) | [RYAN LEE HOUSE](https://appshunter.io/developer/1870067298) |

## What reviewers say

### RefOps

[App page](https://appshunter.io/ios/app/refops/id6776402391)

This app helps volleyball coaches automate the creation of work-team assignments for matches. It generates assignments for various roles, ensuring fair distribution and preventing job repetition. All data is stored locally and accessible offline.

**Highlights:** Roster management with availability, Generate assignments for up to 5 sets, Fills all refereeing jobs, Fair work distribution, Offline functionality, Assignment history, Share or print assignments

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

**In-app purchases:** none


### Diamond Chalk

[App page](https://appshunter.io/ios/app/diamond-chalk/id6809303789)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coach — Monthly | $9.99 | per month |
| Coach — Yearly | $79.99 | per year |


## Frequently asked questions

### Is RefOps free?

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

### Is Diamond Chalk free?

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

### Do RefOps or Diamond Chalk have ads?

Neither RefOps nor Diamond Chalk shows ads.

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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.*