# BlueID Keys vs Smart Printer

The clearest difference is in-app purchases: BlueID Keys at none against Smart Printer's 7. BlueID Keys also leads on ads (none vs shown) and iOS requirement (13.0 vs 17). Smart Printer's advantage is update cadence (every 3 days vs every 10 months). On price and device support there is nothing between them.

Both are free to download. Smart Printer sells 7 in-app purchases, starting at $9.99 per 7 days. BlueID Keys asks for nothing beyond the download.

BlueID Keys ships an update every 10 months, Smart Printer every 3 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BlueID Keys | Smart Printer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 days** |
| Size | 20 MB | 61 MB |
| Requires iOS | **13.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BlueID GmbH](https://appshunter.io/developer/384646953) | [4AI Info Tech](https://appshunter.io/developer/1801898443) |

## What reviewers say

### BlueID Keys

[App page](https://appshunter.io/ios/app/blueid-keys/id1050948083)

**In-app purchases:** none


### Smart Printer

[App page](https://appshunter.io/ios/app/smart-printer-airprintpro-app/id6762607907)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AirPrint Pro Weekly | $9.99 | per 7 days |
| AirPrint Pro Monthly | $14.99 | per month |
| AirPrint Pro Annual | $59.99 | per year |
| Credit Small | $4.99 | one-time |
| Credit Medium | $9.99 | one-time |
| Credit Large | $19.99 | one-time |
| Credit Ultra | $39.99 | one-time |


## Frequently asked questions

### Is BlueID Keys free?

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

### Is Smart Printer free?

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

### Do BlueID Keys or Smart Printer have ads?

Smart Printer shows ads; BlueID Keys does not.

### Which is updated more often, BlueID Keys or Smart Printer?

BlueID Keys ships an update every 10 months, and Smart Printer every 3 days. Most recently, BlueID Keys was updated on October 26, 2026 and Smart Printer on October 28, 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.*