# ESi Centro Smart vs Document Scanner

The clearest difference is review sentiment: Document Scanner at 100% against ESi Centro Smart's 0%. Document Scanner also leads on update cadence (weekly vs every 6 weeks). ESi Centro Smart's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Document Scanner sells 1 one-off in-app purchase. ESi Centro Smart asks for nothing beyond the download.

ESi Centro Smart ships an update every 6 weeks, Document Scanner weekly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ESi Centro Smart | Document Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/document-scanner-scaniva/id6753073805/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 6 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ESI Controls Ltd](https://appshunter.io/developer/1151779580) | [Essex Software](https://appshunter.io/developer/1842346367) |

## What reviewers say

### ESi Centro Smart

[App page](https://appshunter.io/ios/app/esi-centro-smart/id1176000335)

Control your plug-in devices remotely using your iPhone or iPad via Wi-Fi. Schedule devices to turn on or off at specific times and monitor their power consumption in real-time or historically. Automatically restart your router when the internet is down.

**Highlights:** Remote device control, Global access via cloud, Customizable schedules, Real-time power monitoring, Historical consumption data, Automatic router reboot

**Features:** macOS Compatibility

**In-app purchases:** none


### Document Scanner

[App page](https://appshunter.io/ios/app/document-scanner-scaniva/id6753073805)

This app allows you to scan documents, business cards, and receipts into PDF or JPG formats. It offers OCR text recognition in multiple languages and advanced PDF tools, with a focus on privacy and a one-time purchase model.

**Highlights:** Scan documents, business cards, receipts, and QR codes, OCR text recognition in 15 languages, Export to PDF, JPG, and TXT, PDF compression and merging, Batch processing, Offline mode, One-time purchase, no subscriptions

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scaniva — Full Version | $9.99 | one-time |


## Frequently asked questions

### Is ESi Centro Smart free?

ESi Centro Smart is free to download, with no in-app purchases.

### Is Document Scanner free?

Document Scanner is free to download, with in-app purchases available.

### Do ESi Centro Smart or Document Scanner have ads?

Neither ESi Centro Smart nor Document Scanner shows ads.

### Which is updated more often, ESi Centro Smart or Document Scanner?

ESi Centro Smart ships an update every 6 weeks, and Document Scanner weekly. Most recently, ESi Centro Smart was updated on October 24, 2026 and Document Scanner on October 17, 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.*