# SignUpGenius vs Arbiter Registration

The clearest difference is rating: Arbiter Registration at 2.5 against SignUpGenius's 1.2. Arbiter Registration also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). SignUpGenius's advantage is ratings volume (155 vs 35). On price, review sentiment, update cadence 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.

Arbiter Registration holds the better App Store score, 2.5 against 1.2. Both are backed by a comparable volume of ratings — 155 and 35 respectively. Written reviews complicate that: 2% of SignUpGenius's written reviews are positive against 0% of Arbiter Registration's, so the app with the better star average is not the one people write more warmly about.

SignUpGenius ships an update every 4 months, Arbiter Registration every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | SignUpGenius | Arbiter Registration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (155 ratings)](https://appshunter.io/ios/app/signupgenius/id1314654833/reviews) | **[2.5 (35 ratings)](https://appshunter.io/ios/app/arbiter-registration/id1437366757/reviews)** |
| Number of ratings | **155** | 35 |
| Positive reviews | **2.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 48 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SignUpGenius, Inc.](https://appshunter.io/developer/1314654832) | [ArbiterSports LLC](https://appshunter.io/developer/493565302) |

## What reviewers say

### SignUpGenius

[App page](https://appshunter.io/ios/app/signupgenius/id1314654833)

Easily create and manage event sign-ups, volunteer schedules, and group activities from your phone. Coordinate participants, track RSVPs, send automated reminders, and collect payments securely. This tool streamlines event planning for schools, nonprofits, and community groups.

**Highlights:** Create online sign ups, Manage RSVPs and schedules, Send automated reminders, Collect payments and donations, Organize school and nonprofit events, Access sign ups on mobile

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to view signups you've joined
- 📱 Convenient mobile access to existing signups
- ✅ Website version works well for creation
- 🎯 Useful for quick signup verification

**What reviewers complain about**

- 📺 Excessive and intrusive advertisements covering screen
- 🔄 Requires re-login every time app opens
- 📝 Cannot create or edit signups in app
- 🖥️ Desktop website layout forced on mobile
- ⚠️ Blank screens and navigation failures

**Reported bugs**

- App crashes on startup or during use
- Login fails with correct credentials
- Blank/white screens after navigation
- Password entry causes app shutdown
- App locks out users after failed login attempts

**Requested features**

- Create and manage signups directly in app
- Push notifications for signup changes and events
- Favorites or bookmarks for frequently used signups
- Calendar view with date filtering
- Admin tools to edit volunteer assignments


### Arbiter Registration

[App page](https://appshunter.io/ios/app/arbiter-registration/id1437366757)

This app helps coaches and instructors efficiently manage rosters, track attendance, and send real-time notifications to parents. It provides instant access to participant information and emergency cards, streamlining administrative tasks for school and community programs.

**Highlights:** View rosters and emergency cards, Track attendance with status options, Send absence notifications to parents, Access real-time report data, Manage participant information, Create custom attendance sheets

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

**In-app purchases:** none


## Frequently asked questions

### Is SignUpGenius free?

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

### Is Arbiter Registration free?

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

### Which has better reviews, SignUpGenius or Arbiter Registration?

Arbiter Registration is rated higher. SignUpGenius averages 1.2 out of 5 from 155 ratings, while Arbiter Registration averages 2.5 from 35 ratings.

### Do SignUpGenius or Arbiter Registration have ads?

SignUpGenius shows ads; Arbiter Registration does not.

### Which is updated more often, SignUpGenius or Arbiter Registration?

SignUpGenius ships an update every 4 months, and Arbiter Registration every 3 months. Most recently, SignUpGenius was updated on October 24, 2026 and Arbiter Registration on October 24, 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.*