# My Calendar HD vs QuickSeries

The clearest difference is review sentiment: My Calendar HD at 64% against QuickSeries's 0%. My Calendar HD also leads on iOS requirement (8.0 vs 18.6). QuickSeries's advantage is update cadence (every 3 months vs every 10 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

My Calendar HD ships an update every 10 months, QuickSeries every 3 months. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | My Calendar HD | QuickSeries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/my-calendar-hd/id456513664/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **63.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 5 MB | 52 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Li Guo](https://appshunter.io/developer/393107253) | [QuickSeries Publishing](https://appshunter.io/developer/369233535) |

## What reviewers say

### My Calendar HD

[App page](https://appshunter.io/ios/app/my-calendar-hd/id456513664)

This app provides a straightforward 12-month calendar view. Navigate through years by swiping and return to the current year with a double tap. It's a no-frills digital calendar for basic date tracking.

**Highlights:** 12-month calendar view, Navigate between years, Return to current year, Intuitive gesture controls

**Features:** macOS Compatibility

**In-app purchases:** none


### QuickSeries

[App page](https://appshunter.io/ios/app/quickseries/id1424521895)

Access over 30 CERT-related eGuides in English and Spanish, including a new companion guide for emergency management personnel. Explore video walkthroughs of technology and emergency response protocols. Enter for a chance to win free pocket guides.

**Highlights:** 30+ CERT-related eGuides, English and Spanish language options, CERT Companion eGuide, Video walkthroughs of technology, Emergency response protocols, Entry form for free pocket guides

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

**In-app purchases:** none


## Frequently asked questions

### Is My Calendar HD free?

My Calendar HD is free to download, with no in-app purchases.

### Is QuickSeries free?

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

### Do My Calendar HD or QuickSeries have ads?

Neither My Calendar HD nor QuickSeries shows ads.

### Which is updated more often, My Calendar HD or QuickSeries?

My Calendar HD ships an update every 10 months, and QuickSeries every 3 months. Most recently, My Calendar HD was updated on October 6, 2026 and QuickSeries on October 21, 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.*