# PrintMyDays vs Zeliox ZAI4

The clearest difference is in-app purchases: Zeliox ZAI4 at none against PrintMyDays's 1. PrintMyDays's advantage is update cadence (every 2 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PrintMyDays sells 1 one-off in-app purchase. Zeliox ZAI4 asks for nothing beyond the download.

PrintMyDays ships an update every 2 months, Zeliox ZAI4 every 7 months. The most recent releases landed on August 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | PrintMyDays | Zeliox ZAI4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/printmydays/id1640902007/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 34 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Thomas ROBB](https://appshunter.io/developer/978226981) | [Zeliox](https://appshunter.io/developer/1478320738) |

## What reviewers say

### PrintMyDays

[App page](https://appshunter.io/ios/app/printmydays/id1640902007)

This app consolidates your cloud, local, and subscribed calendars into a printable, color-coded monthly calendar. Customize titles, notes, and font sizes. It supports various paper sizes and PDF output, with an option to bifurcate date ranges for better organization.

**Highlights:** Consolidates multiple calendars, Color-coded monthly view, Customizable titles and notes, Adjustable font sizes, Date range selection, Supports USLetter, A4, Legal paper sizes, PDF output

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable full Calendar | $0.99 | one-time |


### Zeliox ZAI4

[App page](https://appshunter.io/ios/app/zeliox-zai4/id6737747373)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PrintMyDays free?

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

### Is Zeliox ZAI4 free?

Zeliox ZAI4 is free to download, with no in-app purchases.

### Do PrintMyDays or Zeliox ZAI4 have ads?

Neither PrintMyDays nor Zeliox ZAI4 shows ads.

### Which is updated more often, PrintMyDays or Zeliox ZAI4?

PrintMyDays ships an update every 2 months, and Zeliox ZAI4 every 7 months. Most recently, PrintMyDays was updated on August 13, 2026 and Zeliox ZAI4 on September 23, 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.*