# Smart Printer vs WorldTime Calendar

The clearest difference is ads: WorldTime Calendar at none against Smart Printer's shown. WorldTime Calendar also leads on update cadence (daily vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Printer sells 4 in-app purchases, starting at $4.99 per 7 days and WorldTime Calendar sells 3 in-app purchases, starting at $0.39 per month. Whichever you choose, the download price is not the number that matters.

Smart Printer ships an update every 3 months, WorldTime Calendar daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smart Printer | WorldTime Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Daily** |
| Size | 145 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [codesbunny](https://appshunter.io/developer/1835940465) | [均 周](https://appshunter.io/developer/6780701711) |

## What reviewers say

### Smart Printer

[App page](https://appshunter.io/ios/app/smart-printerprint-and-scan/id6760010230)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $4.99 | per 7 days |
| Premium Monthly Plan | $9.99 | per month |
| Premium Yearly Plan | $29.99 | per year |
| Yearly Premium Trial | $29.99 | per year |


### WorldTime Calendar

[App page](https://appshunter.io/ios/app/worldtime-calendar/id6780894412)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorldTime Pro Monthly | $0.39 | per month |
| WorldTime Pro Half-Year | $1.49 | per 6 months |
| WorldTime Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is Smart Printer free?

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

### Is WorldTime Calendar free?

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

### Do Smart Printer or WorldTime Calendar have ads?

Smart Printer shows ads; WorldTime Calendar does not.

### Which is updated more often, Smart Printer or WorldTime Calendar?

Smart Printer ships an update every 3 months, and WorldTime Calendar daily. Most recently, Smart Printer was updated on October 28, 2026 and WorldTime Calendar 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.*