# Combi Valve Sizer vs e

The clearest difference is update cadence: e at every 3 months against Combi Valve Sizer's every 9 months. Combi Valve Sizer's advantage is iOS requirement (7.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Combi Valve Sizer ships an update every 9 months, e every 3 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Combi Valve Sizer | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-valve-management/id1423557812/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 50 MB | 115 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Siemens AG](https://appshunter.io/developer/394503271) | [AND EMILI SRL](https://appshunter.io/developer/462841397) |

## What reviewers say

### Combi Valve Sizer

[App page](https://appshunter.io/ios/app/combi-valve-sizer/id504270106)

This app simplifies the selection of specific HVAC components. It guides users through choosing the correct valve and actuator, calculates flow rates, and assists with presetting and commissioning. Users can also tag components and download reports.

**Highlights:** Guided valve and actuator selection, Valve sizing and flow calculation, Valve presetting calculation, Tagging valve location and designation, Commissioning check with reports, Data sheet downloads, Report sharing

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-valve-management/id1423557812)

Configure, test, and diagnose valve issues remotely using your smartphone via a Bluetooth connection. The app guides you through installation, allows quick parameter setup, and provides online help for troubleshooting.

**Highlights:** Bluetooth valve configuration, Guided installation and testing, Quick parameter setup, Diagnostic tools with online help, Access valve status, counters, and errors, Online help for operation and error codes

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

**In-app purchases:** none


## Frequently asked questions

### Is Combi Valve Sizer free?

Combi Valve Sizer is free to download, with no in-app purchases.

### Is e free?

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

### Do Combi Valve Sizer or e have ads?

Neither Combi Valve Sizer nor e shows ads.

### Which is updated more often, Combi Valve Sizer or e?

Combi Valve Sizer ships an update every 9 months, and e every 3 months. Most recently, Combi Valve Sizer was updated on October 21, 2026 and e on October 14, 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.*