# Smart Air Printer Pro & Scan vs Kellno

The clearest difference is in-app purchases: Kellno at none against Smart Air Printer Pro & Scan's 6. Kellno also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Air Printer Pro & Scan sells 6 in-app purchases, starting at $2.99 per 7 days. Kellno asks for nothing beyond the download.

Smart Air Printer Pro & Scan ships an update every 2 months, Kellno every 5 weeks. The most recent releases landed on October 6, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Smart Air Printer Pro & Scan | Kellno |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (50 ratings)](https://appshunter.io/ios/app/smart-air-printer-pro-and-scan/id6443487778/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 59 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [WeBrain](https://appshunter.io/developer/1578514377) | [Muhammad Shariq Ajmal](https://appshunter.io/developer/6778975160) |

## What reviewers say

### Smart Air Printer Pro & Scan

[App page](https://appshunter.io/ios/app/smart-air-printer-pro-and-scan/id6443487778)

Easily print documents and photos directly from your iOS device. Scan new documents or select existing files to send to your Wi-Fi printer. Supports over 7000 AirPrint printer models.

**Highlights:** Print documents and photos, Scan new documents, Print text notes, Supports PDF, DOC, JPG, JPEG, Over 7000 AirPrint printer models supported

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Air Printer | $2.99 | per 7 days |
| Air Printer & Scan | $2.99 | per 7 days |
| Premium Subscription | $5.99 | per month |
| Air Printer Pro & Scan | $5.99 | per month |
| Air Printer & Scan | $9.99 | per year |
| Smart Air Printer & Scan | $9.99 | per year |


### Kellno

[App page](https://appshunter.io/ios/app/kellno/id6778975158)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Air Printer Pro & Scan free?

Smart Air Printer Pro & Scan is free to download, with in-app purchases available.

### Is Kellno free?

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

### Do Smart Air Printer Pro & Scan or Kellno have ads?

Smart Air Printer Pro & Scan shows ads; Kellno does not.

### Which is updated more often, Smart Air Printer Pro & Scan or Kellno?

Smart Air Printer Pro & Scan ships an update every 2 months, and Kellno every 5 weeks. Most recently, Smart Air Printer Pro & Scan was updated on October 6, 2026 and Kellno on September 13, 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.*