# ViewPower vs ESS Energy

The clearest difference is update cadence: ESS Energy at every 5 weeks against ViewPower's every 11 months. ViewPower's advantage is iOS requirement (11.0 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.

ViewPower ships an update every 11 months, ESS Energy every 5 weeks. The most recent releases landed on August 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ViewPower | ESS Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/viewpower/id1502213017/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 19 MB | 54 MB |
| Requires iOS | **11.0** | 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

### ViewPower

[App page](https://appshunter.io/ios/app/viewpower/id1502213017)

Monitor device status, configure settings, and receive important notifications. Record historical device data for review. This utility app helps manage device operations effectively.

**Highlights:** Display device status, Configure device settings, Receive warning/alarm notifications, Record device data history

**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 ViewPower free?

ViewPower 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 ViewPower or ESS Energy have ads?

Neither ViewPower nor ESS Energy shows ads.

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

ViewPower ships an update every 11 months, and ESS Energy every 5 weeks. Most recently, ViewPower 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.*