# smart vs Waltermeier

The clearest difference is device support: smart at 2 against Waltermeier's —. Waltermeier's advantage is iOS requirement (11.0 vs 17.0). On price 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.

## The numbers

| Metric | smart | Waltermeier |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 6 MB | 9 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [smart-me AG](https://appshunter.io/developer/929146951) | [Watts Electronics](https://appshunter.io/developer/1155424968) |

## What reviewers say

### smart

[App page](https://appshunter.io/ios/app/smart-me/id929146952)

Monitor and control your home's energy flow in real-time. View reports, optimize solar energy usage with smart actions, and track historical consumption. MID-certified meters allow for billing in prosumer communities.

**Highlights:** Real-time energy flow monitoring, Historical energy use reports, Solar energy optimization tools, Smart If/Then action setup, Prosumer community billing, MID-certified metering

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

**In-app purchases:** none


### Waltermeier

[App page](https://appshunter.io/ios/app/waltermeier/id1193602712)

**In-app purchases:** none


## Frequently asked questions

### Is smart free?

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

### Is Waltermeier free?

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

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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.*