# Assignr vs WhistleWorks

The clearest difference is iOS requirement: Assignr at 15.1 against WhistleWorks's 18.0. 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Assignr | WhistleWorks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8.3K ratings)](https://appshunter.io/ios/app/assignr/id1579690125/reviews)** | — |
| Number of ratings | **8.3K** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Subscription | — |
| Size | 72 MB | 10 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Assignr LLC](https://appshunter.io/developer/1579690127) | [Millennium Data Systems](https://appshunter.io/developer/1760511682) |

## What reviewers say

### Assignr

[App page](https://appshunter.io/ios/app/assignr/id1579690125)

Manage, communicate, and pay referees and umpires efficiently. This app allows officials to update availability, accept assignments, and message within the platform. Organizations can process payments and track game reports.

**Highlights:** Assign games to referees and umpires, Manage official availability, Communicate with officials via messaging, Process payments via Direct Deposit, Submit game reports, Access official directory

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Seamless and modern interface
- 💡 Great resources and easy to find answers
- 👍 Intuitive with a clean interface
- 👍 Organized way of working

**What reviewers complain about**

- 🐛 Slow and glitchy app
- 🐛 Keeps logging users out
- 🐛 Inaccurate schedules and out of sync with desktop version
- 🐛 Frequent login requests
- 🐛 Slow response time

**Reported bugs**

- App not registering availability changes correctly
- Logging out issues
- Server connection problems

**Requested features**

- Ability to view other referees' game reports
- Search feature to filter games by level or location
- Ability to request games directly from the app
- Automatic availability blocking when a game is accepted
- Option to view past games through the app


### WhistleWorks

[App page](https://appshunter.io/ios/app/whistleworks/id6758966621)

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

**In-app purchases:** none


## Frequently asked questions

### Is Assignr free?

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

### Is WhistleWorks free?

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

### Do Assignr or WhistleWorks have ads?

Neither Assignr nor WhistleWorks shows ads.

### Which is updated more often, Assignr or WhistleWorks?

Assignr ships an update every 6 weeks, and WhistleWorks every 6 weeks. Most recently, Assignr was updated on September 22, 2026 and WhistleWorks on September 17, 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.*