# SmartWatt™ EMS vs Smart Printer App

The clearest difference is in-app purchases: SmartWatt™ EMS at none against Smart Printer App's 3. SmartWatt™ EMS also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart Printer App sells 3 in-app purchases, starting at $4.99 per 7 days. SmartWatt™ EMS asks for nothing beyond the download.

SmartWatt™ EMS ships an update every 2 weeks, Smart Printer App every 10 days. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SmartWatt™ EMS | Smart Printer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smart-printer-app-scan-docs/id6756775069/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 9 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aspire Technology Inc.](https://appshunter.io/developer/1755501331) | [Ayesha Jabbar](https://appshunter.io/developer/1831178748) |

## What reviewers say

### SmartWatt™ EMS

[App page](https://appshunter.io/ios/app/smartwatt-ems/id6738806021)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Printer App

[App page](https://appshunter.io/ios/app/smart-printer-app-scan-docs/id6756775069)

This app simplifies printing and scanning for students and teachers, allowing direct document, photo, and web page printing from a mobile device. It offers tools to manage PDF files, including splitting, merging, and converting them, making academic material management efficient.

**Highlights:** Print photos and documents, Scan paper documents, Print web pages and text notes, PDF tools: split, merge, convert, Print from camera

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Monthly Plan | $7.99 | per month |
| Yearly Plan | $19.99 | per year |


## Frequently asked questions

### Is SmartWatt™ EMS free?

SmartWatt™ EMS is free to download, with no in-app purchases.

### Is Smart Printer App free?

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

### Do SmartWatt™ EMS or Smart Printer App have ads?

Neither SmartWatt™ EMS nor Smart Printer App shows ads.

### Which is updated more often, SmartWatt™ EMS or Smart Printer App?

SmartWatt™ EMS ships an update every 2 weeks, and Smart Printer App every 10 days. Most recently, SmartWatt™ EMS was updated on October 2, 2026 and Smart Printer App on October 3, 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.*