# SWS Smart Meter vs pixometer self

The clearest difference is iOS requirement: SWS Smart Meter at 9.0 against pixometer self's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SWS Smart Meter ships an update every 3 weeks, pixometer self monthly. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SWS Smart Meter | pixometer self |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 78 MB | 27 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stadtwerke Stuttgart GmbH](https://appshunter.io/developer/1465902493) | [pixolus](https://appshunter.io/developer/934332634) |

## What reviewers say

### SWS Smart Meter

[App page](https://appshunter.io/ios/app/sws-smart-meter/id1566506597)

**Features:** macOS Compatibility

**In-app purchases:** none


### pixometer self

[App page](https://appshunter.io/ios/app/pixometer-self/id6444455680)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SWS Smart Meter free?

SWS Smart Meter is free to download, with no in-app purchases.

### Is pixometer self free?

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

### Do SWS Smart Meter or pixometer self have ads?

Neither SWS Smart Meter nor pixometer self shows ads.

### Which is updated more often, SWS Smart Meter or pixometer self?

SWS Smart Meter ships an update every 3 weeks, and pixometer self monthly. Most recently, SWS Smart Meter was updated on September 28, 2026 and pixometer self on September 23, 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.*