# Renkforce SmartStorage vs EM3720

The clearest difference is update cadence: Renkforce SmartStorage at every 4 weeks against EM3720's every 4 months. Renkforce SmartStorage also leads on iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Renkforce SmartStorage ships an update every 4 weeks, EM3720 every 4 months. Both last shipped on October 5, 2026.

## The numbers

| Metric | Renkforce SmartStorage | EM3720 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/renkforce-smartstorage/id1300090848/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 83 MB | 6 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CEI Conrad Electronic International (HK) Limited](https://appshunter.io/developer/756357900) | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) |

## What reviewers say

### Renkforce SmartStorage

[App page](https://appshunter.io/ios/app/renkforce-smartstorage/id1300090848)

Easily exchange files between devices and platforms. Back up contacts, camera roll, and calendar to dedicated hardware, maintaining control over your data. Supports a wide range of document, image, audio, and video file formats.

**Highlights:** Cross-device file exchange, Contact backup, Camera roll backup, Calendar backup, Support for numerous file formats, Data control

**Features:** macOS Compatibility

**In-app purchases:** none


### EM3720

[App page](https://appshunter.io/ios/app/em3720/id1376380656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Renkforce SmartStorage free?

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

### Is EM3720 free?

EM3720 is free to download, with no in-app purchases.

### Do Renkforce SmartStorage or EM3720 have ads?

Neither Renkforce SmartStorage nor EM3720 shows ads.

### Which is updated more often, Renkforce SmartStorage or EM3720?

Renkforce SmartStorage ships an update every 4 weeks, and EM3720 every 4 months. Most recently, Renkforce SmartStorage was updated on October 5, 2026 and EM3720 on October 5, 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.*