# O vs Smart Printer App・Scan iPrint

The clearest difference is review sentiment: O at 100% against Smart Printer App・Scan iPrint's 17%. O also leads on in-app purchases (none vs 7) and iOS requirement (9.1 vs 15.0). Smart Printer App・Scan iPrint's advantage is rating (3.8 vs 3.0) and update cadence (every 11 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Smart Printer App・Scan iPrint sells 7 in-app purchases, starting at $7.99 per 7 days. O asks for nothing beyond the download.

Smart Printer App・Scan iPrint holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: Smart Printer App・Scan iPrint has 1.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 100% of O's written reviews are positive against 17% of Smart Printer App・Scan iPrint's, so the app with the better star average is not the one people write more warmly about.

O ships an update every 2 months, Smart Printer App・Scan iPrint every 11 days. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | O | Smart Printer App・Scan iPrint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/o-pens/id1147451245/reviews) | **[3.8 (1.1K ratings)](https://appshunter.io/ios/app/smart-printer-appscan-iprint/id6739474160/reviews)** |
| Number of ratings | 2 | **1.1K** |
| Positive reviews | **100.0% of reviews** | 17.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 41 MB |
| Requires iOS | **9.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Guangzhou Taiji Electronic Co., Ltd.](https://appshunter.io/developer/1097020532) | [Muhammad Qasim Wali](https://appshunter.io/developer/1772758953) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-pens/id1147451245)

This application guides users in mixing nail gel polish colors to create custom shades. It helps determine the proportions of base and specific colors for desired nail art effects, supporting multiple color combinations and providing visual previews.

**Highlights:** Guides mixing of base and specific gel polish colors, Displays physical color effect previews, Supports code identification for color combinations, Calculates gel volume for desired number of nails, Offers multi-language support and online tutorials

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Printer App・Scan iPrint

[App page](https://appshunter.io/ios/app/smart-printer-appscan-iprint/id6739474160)

This app simplifies printing and document management for Mac, iPhone, and iPad users. It offers wireless printing, scanning with OCR, PDF editing, and e-signature capabilities. Access your cloud-stored documents for printing on the go.

**Highlights:** Wireless printing, AirPrint compatibility, OCR scanning, PDF editing and merging, eSign documents, Cloud storage integration

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Printer App Weekly Subscription | $7.99 | per 7 days |
| Smart Printer Weekly Plan | $7.99 | per 7 days |
| AirPrint App for Any Printer | $14.99 | per month |
| Smart Printer App Yearly Pro | $39.99 | per year |
| Print from All Brands of Printers | $39.99 | per year |
| Print Photos & Documents Yearly Pro | $39.99 | per year |
| Yearly Special Offer | $39.99 | per year |


## Frequently asked questions

### Is O free?

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

### Is Smart Printer App・Scan iPrint free?

Smart Printer App・Scan iPrint is free to download, with in-app purchases available.

### Which has better reviews, O or Smart Printer App・Scan iPrint?

Smart Printer App・Scan iPrint is rated higher. O averages 3.0 out of 5 from 2 ratings, while Smart Printer App・Scan iPrint averages 3.8 from 1.1K ratings.

### Do O or Smart Printer App・Scan iPrint have ads?

Neither O nor Smart Printer App・Scan iPrint shows ads.

### Which is updated more often, O or Smart Printer App・Scan iPrint?

O ships an update every 2 months, and Smart Printer App・Scan iPrint every 11 days. Most recently, O was updated on October 8, 2026 and Smart Printer App・Scan iPrint on October 18, 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.*