# Matrix Calendar vs Zebra.

The clearest difference is rating: Zebra. at 5.0 against Matrix Calendar's 2.3. Zebra. also leads on review sentiment (100% vs 62%) and in-app purchases (none vs 1). Matrix Calendar's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On price there is nothing between them.

Both are free to download. Matrix Calendar sells 1 one-off in-app purchase. Zebra. asks for nothing beyond the download.

Zebra. holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 62% of Matrix Calendar's written reviews are positive against 100% of Zebra.'s.

Matrix Calendar ships an update every 10 months, Zebra. every 4 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Matrix Calendar | Zebra. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/matrix-calendar/id571602369/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zebra/id6737943408/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 62.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 19 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pro Active App](https://appshunter.io/developer/421360653) | [Shevat Ventures llc](https://appshunter.io/developer/1778587719) |

## What reviewers say

### Matrix Calendar

[App page](https://appshunter.io/ios/app/matrix-calendar/id571602369)

This app offers a comprehensive personal organizer for tracking events, notes, moods, and health metrics. It provides reminders, to-do lists, and integrates contact information and special dates. A pro version unlocks additional customization and features.

**Highlights:** Event reminders, Notes and to-do lists, Mood and weight tracking, Contact and birthday management, Name days and moon phases, Customizable skins

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Matrix Calendar Pro | $0.99 | one-time |


### Zebra.

[App page](https://appshunter.io/ios/app/zebra/id6737943408)

Never forget important dates like birthdays and anniversaries again. This app helps you track special moments with smart reminders and personalized message options. It offers visual celebrations and ensures your contact data remains private and secure.

**Highlights:** Event tracking for birthdays and anniversaries, Smart, timely event notifications, Customizable message templates with emojis/images, Easy contact syncing, Visual celebration animations, Privacy-focused contact management

**In-app purchases:** none


## Frequently asked questions

### Is Matrix Calendar free?

Matrix Calendar is free to download, with in-app purchases available.

### Is Zebra. free?

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

### Which has better reviews, Matrix Calendar or Zebra.?

Zebra. is rated higher. Matrix Calendar averages 2.3 out of 5 from 3 ratings, while Zebra. averages 5.0 from 1 ratings.

### Do Matrix Calendar or Zebra. have ads?

Matrix Calendar shows ads; Zebra. does not.

### Which is updated more often, Matrix Calendar or Zebra.?

Matrix Calendar ships an update every 10 months, and Zebra. every 4 days. Most recently, Matrix Calendar was updated on October 21, 2026 and Zebra. on October 5, 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.*