# Smart vs ESS Energy

The clearest difference is update cadence: ESS Energy at every 5 weeks against Smart's every 2 months. Smart's advantage is iOS requirement (9.0 vs 16.6). 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.

Smart ships an update every 2 months, ESS Energy every 5 weeks. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Smart | ESS Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (6 ratings)](https://appshunter.io/ios/app/smart-meter/id1452974752/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 23 MB | 54 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [仁义 樊](https://appshunter.io/developer/1406210820) |

## What reviewers say

### Smart

[App page](https://appshunter.io/ios/app/smart-meter/id1452974752)

Monitor your smart meter devices in real time with this mobile terminal application. It provides easy-to-understand data visualization for both current and historical information, accessible from anywhere. The app is designed to be efficient, using minimal internet traffic.

**Highlights:** Real-time smart meter status monitoring, Easy-to-understand data visualization charts, Access historical data anytime, anywhere, Display data in multiple dimensions, Low internet traffic consumption

**Features:** macOS Compatibility

**In-app purchases:** none


### ESS Energy

[App page](https://appshunter.io/ios/app/ess-energy/id1642888340)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart free?

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

### Is ESS Energy free?

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

### Do Smart or ESS Energy have ads?

Neither Smart nor ESS Energy shows ads.

### Which is updated more often, Smart or ESS Energy?

Smart ships an update every 2 months, and ESS Energy every 5 weeks. Most recently, Smart was updated on August 14, 2026 and ESS Energy on September 10, 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.*