# Drutex Smartlock vs Flex Energie EMS

The clearest difference is in-app purchases: Drutex Smartlock at none against Flex Energie EMS's 4. Drutex Smartlock also leads on iOS requirement (10.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flex Energie EMS sells 4 in-app purchases, starting at $3.99 per month. Drutex Smartlock asks for nothing beyond the download.

Drutex Smartlock ships an update every 2 months, Flex Energie EMS every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Drutex Smartlock | Flex Energie EMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 33 MB | 108 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DESI ALARM VE GUVENLIK SISTEMLERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1045535410) | [SolarAero GmbH](https://appshunter.io/developer/1818966063) |

## What reviewers say

### Drutex Smartlock

[App page](https://appshunter.io/ios/app/drutex-smartlock/id1637605526)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flex Energie EMS

[App page](https://appshunter.io/ios/app/flex-energie-ems/id6746786140)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced (Monthly) | $3.99 | per month |
| Enterprise (Monthly) | $7.99 | per month |
| Advanced (Annual) | $44.99 | per year |
| Enterprise (Annual) | $79.99 | per year |


## Frequently asked questions

### Is Drutex Smartlock free?

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

### Is Flex Energie EMS free?

Flex Energie EMS is free to download, with in-app purchases available.

### Do Drutex Smartlock or Flex Energie EMS have ads?

Neither Drutex Smartlock nor Flex Energie EMS shows ads.

### Which is updated more often, Drutex Smartlock or Flex Energie EMS?

Drutex Smartlock ships an update every 2 months, and Flex Energie EMS every 6 weeks. Most recently, Drutex Smartlock was updated on November 3, 2026 and Flex Energie EMS on October 30, 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.*