# Custom Alerts vs Eventzilla

The clearest difference is price: Eventzilla at Free against Custom Alerts's $0.99. Eventzilla also leads on update cadence (monthly vs every 13 months) and ratings volume (26 vs 4). Custom Alerts's advantage is rating (3.8 vs 1.6) and review sentiment (50% vs 13%). On ads, in-app purchases and device support there is nothing between them.

Eventzilla is free to download; Custom Alerts costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Custom Alerts holds the better App Store score, 3.8 against 1.6. That said, the two scores are not equally well evidenced: Eventzilla has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of Custom Alerts's written reviews are positive against 13% of Eventzilla's.

Custom Alerts ships an update every 13 months, Eventzilla monthly. The most recent releases landed on September 17, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Custom Alerts | Eventzilla |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/custom-alerts/id682227805/reviews)** | [1.6 (26 ratings)](https://appshunter.io/ios/app/eventzilla/id1437123810/reviews) |
| Number of ratings | 4 | **26** |
| Positive reviews | **50.0% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calm Seas Software, LLC](https://appshunter.io/developer/1527599491) | [Eventzilla Corporation](https://appshunter.io/developer/1437123809) |

## What reviewers say

### Custom Alerts

[App page](https://appshunter.io/ios/app/custom-alerts/id682227805)

This app allows users to set highly customizable alerts for calendar events, ranging from minutes to weeks in advance. It supports multiple calendars and enables event creation and editing directly within the application, syncing seamlessly with the native iOS calendar.

**Highlights:** Set alerts from 0 minutes to 99 weeks ahead, Supports multiple calendars, Create and edit calendar events, Syncs with iOS calendar, Customizable alert timing

**Features:** macOS Compatibility

**In-app purchases:** none


### Eventzilla

[App page](https://appshunter.io/ios/app/eventzilla/id1437123810)

Access event details, participate in activities, and plan your schedule. Connect with private event communities and explore venue maps. Organizers can create engaging mobile experiences.

**Highlights:** Join private event communities, Access event information, Personalized schedules and reminders, Venue and local area maps, See upcoming event activities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Custom Alerts free?

Custom Alerts costs $0.99, with no in-app purchases.

### Is Eventzilla free?

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

### Which has better reviews, Custom Alerts or Eventzilla?

Custom Alerts is rated higher. Custom Alerts averages 3.8 out of 5 from 4 ratings, while Eventzilla averages 1.6 from 26 ratings.

### Do Custom Alerts or Eventzilla have ads?

Neither Custom Alerts nor Eventzilla shows ads.

### Which is updated more often, Custom Alerts or Eventzilla?

Custom Alerts ships an update every 13 months, and Eventzilla monthly. Most recently, Custom Alerts was updated on September 17, 2026 and Eventzilla on June 4, 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.*