# Umply vs Know Ball

The clearest difference is in-app purchases: Umply at none against Know Ball's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Know Ball sells 1 in-app purchase, starting at $2.99 per month. Umply asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Umply | Know Ball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (25 ratings)](https://appshunter.io/ios/app/umply/id6755475655/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 71 MB | 51 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Vaccaro](https://appshunter.io/developer/1819812952) | [Derek Dawson](https://appshunter.io/developer/990050133) |

## What reviewers say

### Umply

[App page](https://appshunter.io/ios/app/umply/id6755475655)

This app streamlines youth sports league management, automating umpire scheduling, assignments, and payments. It offers smart auto-scheduling, instant schedule imports, and one-click payments for administrators, while providing umpires with instant game acceptance and automated payouts.

**Highlights:** AI-powered auto-scheduling, Import schedules from GameChanger/SportsEngine, Automated umpire payments via Stripe, Tournament bracket generation, Public team pages with custom URLs, Real-time assignment notifications, Rulebook assistant

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

**In-app purchases:** none


### Know Ball

[App page](https://appshunter.io/ios/app/know-ball-nba-trivia/id6761740280)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Know Ball Pro | $2.99 | per month |


## Frequently asked questions

### Is Umply free?

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

### Is Know Ball free?

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

### Do Umply or Know Ball have ads?

Neither Umply nor Know Ball shows ads.

### Which is updated more often, Umply or Know Ball?

Umply ships an update every 3 weeks, and Know Ball every 3 weeks. Most recently, Umply was updated on October 30, 2026 and Know Ball on October 25, 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.*